Aspen Meeting

Conference Registration

Welcoming Remarks

Organizer: Vanda Grubisic, DRI

Session 1

Surface Layers

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Steven P. Oncley, NCAR

8:30 AM

1.1

Late-Morning Mixed Layer Temperature Budgets over a Midwest Watershed: CASES 97

Robert L. Grossman, University of Colorado, Boulder, CO; and M. A. LeMone, K. N. Liou, and K. Ikeda

8:45 AM

1.2

Mesoscale and diurnal variability of 2-m temperature and specific humitity in CASES-97

Margaret A. LeMone, NCAR, Boulder, CO; and R. M. Grossman

9:00 AM

1.3

The LITFASS-98 experiment: Fluxes over a heterogeneous land surface

Frank Beyrich, German Weather Service, Lindenberg, Germany; and S. H. Richter, U. Weisensee, W. Kohsiek, F. Bosveld, H. Lohse, H. A. R. de Bruin, O. Hartogensis, J. Bange, and R. Vogt

9:15 AM

1.4

An Intercomparison of Measures of Spatial Inhomogeneity for Surface Fluxes of Passive Scalars

T. W. Horst, NCAR, Boulder, CO

9:30 AM

1.5

Turbulent characteristics of Internal Boundary Layers

John W. Glendening, NRL, Monterey, CA

9:45 AM

1.6

Probability distributions for scintillometer-derived values of the inner scale and the refractive index structure parameter and their implications for averaging

Edgar L Andreas, U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH; and C. W. Fairall, P. O. G. Persson, and P. S. Guest

10:00 AM

1.7

Evaluation of a Turbulence Pressure Instrument using the budget of horizontal heat flux

James M. Wilczak, NOAA/ERL/ETL, Boulder, CO; and A. J. Bedard Jr.

10:15 AM

1.8

Townsend’s hypothesis, coherent structures and Monin-Obukhov similarity

K. G. McNaughton, Univ. of Edinburgh, Edinburgh, Scotland, United Kingdom; and Y. Brunet

10:30 AM

1.9

An alternative explanation for the systematic height variation of normalized vertical velocity variance in the near-neutral surface layer

Ulf Högström, Uppsala University, Uppsala, Sweden

10:45 AM

1.10

Measured and calculated heat flux above a freezing and melting ground

Mikael Magnusson, Uppsala University, Uppsala, Sweden

1.11

One-dimensional energy fluxes of a snow cover in winter 1996/97 at the Schauinsland, Black-Forest (Germany)

11:15 AM

1.12

Paper moved to Poster Session P1, Paper Number P1.15a

11:30 AM

1.0a

Welcoming Remarks

11:45 AM

1.5a

Coffee Break

12:15 PM

1.11a

A comparison of surface-layer and surface turbulent-flux observations over the Labrador Sea with ECMWF analyses and NCEP reanalyses (Formerly Paper P1.9)

Ian A. Renfrew, British Antarctic Survey, Cambridge, United Kingdom; and G. W. K. Moore, P. S. Guest, and K. Bumke

12:30 PM

1.12a

Time response characteristics for the atmosphere-plant-interaction, measured during the total solar eclipses in southern Germany on August 11, 1999 (Formerly paper P1.7)

Thomas Foken, University of Bayreuth, Bayreuth, Germany; and T. Kartschall, F. Badeck, K. Waloszczyk, B. Wichura, and J. Gerchau

12:45 PM

1.12b

Lunch Break

Session 0A

Overview of Mesoscale Alpine Programme (MAP)

Host: Ninth Conference on Mountain Meteorology

Organizers: Ronald Smith, Yale Univ.; Robert Houze, Univ. of Washington

Session 1

MAP: Orographic Precipitation

Host: Ninth Conference on Mountain Meteorology

Organizer: F. Martin Ralph, NOAA/ERL/ETL

9:15 AM

1.1

Two cases of heavy Rain on the Mediterranean Side of the Alps in MAP

Robert A. Houze, Univ. of Washington, Seattle, WA; and S. Medina and M. Steiner

9:30 AM

1.2

Preliminary analyses of Dual-Doppler observations conducted with Ronsard and Monte-Lema radars during MAP

Jean-François Georgis, Laboratoire d'Aerologie, Toulouse, France; and F. Roux, M. Chong, and C. Michel

9:45 AM

1.3

Airflow within major river valleys on the south side of the Alps as observed during the MAP Special Observing Period

Matthias Steiner, Princeton Univ., Princeton, NJ; and J. A. Smith, B. Smull, and R. A. Houze

10:00 AM

1.4

Contrasting stratification and mesoscale airflow in two heavy precipitation events observed in MAP

Bradley Smull, NOAA/NSSL and Univ. of Washington, Seattle, WA; and O. Bousquet and M. Steiner

10:15 AM

1.5

Orographic air mass transformation

Ronald B. Smith, Yale Univ., New Haven, CT; and S. T. Skubis, Z. Kothavala, and S. Gray

10:30 AM

1.6

Mechanisms of intense alpine rainfall

Richard Rotunno, NCAR, Boulder, CO; and R. Ferretti

10:45 AM

1.7

Lagrangian analysis of three heavy precipitation events during MAP

François Gheusi, Météo-France, Toulouse, France; and J. Stein

11:00 AM

1.8

Radar observations and numerical modeling of a mesoscale convective system over northeastern Italy on 4 October during MAP

Stephanie Pradier, Laboratoire d'Aerologie, Toulouse, France; and F. Roux and E. Richard

11:15 AM

1.9

Realtime finescale numerical weather prediction during the MAP field phase

R. Benoit, Enviornment Canada, Dorval, PQ, Canada; and C. Schär, P. Binder, S. Chamberland, H. C. Davies, M. Desgagné, C. Girard, D. Lüthi, D. Maric, E. Müller, P. Pellerin, J. Schmidli, C. Schwierz, M. Sprenger, A. Walser, S. Willemse, W. Yu, and E. Zala

11:30 AM

1.2A

Coffee Break

Lunch Break

Session 2

MAP: Gravity Waves and PV Banners

Host: Ninth Conference on Mountain Meteorology

Organizer: Dale R. Durran, Univ. of Washington

1:30 PM

2.1

Gravity Waves over Mt. Blanc

Robert B. Smith, Yale Univ., New Haven, CT; and S. T. Skubis, J. D. Doyle, A. S. Broad, H. Volkert, and C. Kiemle

1:45 PM

2.2

Lee Waves Generation over Complex Topography

James D. Doyle, NRL, Monterey, CA; and R. B. Smith, S. T. Skubis, and G. S. Poulos

2:00 PM

2.3

Observations of potential vorticity banners during the Mesoscale Alpine Programme

Louisa B. Nance, CIRES/Univ. of Colorado and NOAA/ETL, Boulder, CO; and J. L. Attie, B. Benech, B. R. Colman, J. D. Doyle, C. N. Flamant, V. Grubisic, J. Pelon, F. M. Ralph, R. Rotunno, C. Schär, R. B. Smith, and R. Steinacker

2:15 PM

2.4

Comparison of in-situ PV banner observations against high-resolution numerical simulations during MAP

Christoph Schär, Federal Institute of Technology, Climate Research, ETH, Zürich, Switzerland; and M. Sprenger, D. Lüthi, R. Benoit, and Q. Jiang

2:30 PM

2.5

Bora driven PV banners over the Adriatic

Vanda Grubisic, DRI, Reno, NV

2:45 PM

2.6

The Mystery of the Mistral

Qingfang Jiang, Yale Univ., New Haven, CT; and R. B. Smith and J. D. Doyle

Session 2

Cloudy Bls

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Bjorn Stevens, University of California

1:45 PM

2.1

Concept and first results of an airship-borne cloud turbulence system

Ulrich Teichmann, Institute for Tropospheric Research, Leipzig, Germany; and H. Siebert

2.2

Turbulence structure of the Astex First Lagrangian boundary and cloud layer

2:15 PM

2.3

Clear-Air Radiative cooling induced by the temperature inversion at cloud top

Margreet C. Van Zanten, Institute for Marine and Atmospheric Research, Utrecht, Netherlands; and P. G. Duynkerke

2:30 PM

2.4

Cloud transitions and decoupling in the shear-free stratocumulus-topped PBL

Bjorn Stevens, University of California, Los Angeles, CA

2:45 PM

2.5

Liquid Water Budgets of Numerically Simulated Non-Precipating Boundary Layer Clouds

Shouping Wang, USRA, Huntsville, AL; and Q. Wang and G. Feingold

3:00 PM

2.6

Paper moved to Paper Number 2.7a

2.7

Explicit cloud microphysics in ensemble-average modeling

3:30 PM

2.8

Treatment of buoyancy production at a cloudy-clear interface in a TKE model

Ricardo C. Muñoz, Penn State University, University Park, PA; and D. R. Stauffer and N. L. Seaman

3:45 PM

2.9

Combining the Massflux Approach with a Statistical Cloud Scheme

Geert Lenderink, KNMI, De Bilt, Netherlands; and A. P. Siebesma

4:00 PM

2.10

An examination of a unified cloudiness-turbulence scheme with various types of cloudy boundary layers

Jocelyn Mailhot, MSC, Dorval, PQ, Canada; and S. Belair

4:15 PM

2.11

Jensen's inequality and systematic biases in numerical simulations

Vincent E. Larson, CIRA/Colorado State Univ., Fort Collins, CO; and R. Wood, P. R. Field, J. C. Golaz, T. H. Vonder Haar, and W. R. Cotton

4:30 PM

2.5a

Coffee Break

5:00 PM

2.6a

An overview of cloudy boundary layers

Bjorn Stevens, University of California, Los Angeles, CA

5:15 PM

2.7a

A stochastic parcel model for shallow cumulus convection (Formerly paper 2.6)

Roel A. J. Neggers, KNMI, De Bilt, Netherlands; and H. J. Jonker and A. P. Siebesma

5:30 PM

2.11a

Sessions end for the day

Coffee Break

Session 3

MAP: Gap flow

Host: Ninth Conference on Mountain Meteorology

Organizer: Christoph Schär, Federal Institute of Technology, ETH

3:30 PM

3.1

An overview of the GAP flow measurements within the Mesoscale Alpine Program (MAP)

Georg J. Mayr, Univ. of Innsbruck, Innsbruck, Austria; and L. Armi, S. Arnold, R. M. Banta, M. Buchauer, A. Coals, L. S. Darby, E. Dreiseitl, D. R. Durran, T. Exner, C. N. Flamant, P. Frontero, S. Gabersek, G. Geier, A. Gohm, M. Hardesty, V. Horlacher, P. Jackson, R. Mayr, S. Mobbs, G. Mullendore, M. Munari, L. B. Nance, H. Puempel, R. Rigon, I. Vergeiner, J. Vergeiner, S. Vosper, C. D. Whiteman, D. Zardi, and C. Zingerle

3:45 PM

3.2

Gap-flow phenomena measured by Doppler lidar in the Wipptal during MAP

Robert M. Banta, NOAA/ERL/ETL, Boulder, CO; and L. S. Darby, A. Gohm, G. J. Mayr, and J. N. Howell

4:00 PM

3.3

Observation and modeling of a gap flow in the Wipp valley

Cyrille N. Flamant, Universite Pierre et Marie Curie, Paris, France; and P. Drobinski, J. Dusek, P. H. Flamant, and J. Pelon

4:15 PM

3.4

A Preliminary Analysis of MAP Sounding Data Collected in the Wipp Valley

Sasa Gabersek, Univ. of Washington, Seattle, WA; and D. R. Durran

4:30 PM

3.5

Observations of flow through a mountain pass

Samantha Arnold, Univ. of Leeds, Leeds, United Kingdom; and A. Gohm, V. Horlacher, G. J. Mayr, S. Mobbs, J. Vergeiner, and S. Vosper

4:45 PM

3.6

Observations of thermally induced flows during MAP

Magdalena Rucker, Univ. of British Columbia, Vancouver, BC, Canada; and R. M. Banta, D. G. Steyn, and L. Darby

Ice Breaker Reception

Conference Registration Continues Through Friday, 11 August

Session 3

Entrainment

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Jielun Sun, NCAR

8:00 AM

3.1

Stably Stratified Interfacial-Layer Turbulence

Martin J. Otte, Penn State University, University Park, PA; and J. C. Wyngaard

8:15 AM

3.2

Entrainment Drying of the Stratocumulus-Topped Boundary Layer

Qing Wang, NPS, Monterey, CA; and D. W. McDowell

8:30 AM

3.3

Boundary layer entrainment for different capping conditions

D. C. Lewellen, West Virginia University, Morgantown, WV; and W. S. Lewellen

8:45 AM

3.4

Fluctuations in trace gas concentrations generated by entrainment in the boundary layer and free troposphere

Donald H. Lenschow, NCAR, Boulder, CO

9:00 AM

3.5

Scaling Behavior of Entrainment in a TKE-l Turbulence Closure

Geert Lenderink, KNMI, De Bilt, Netherlands; and B. Holtslag

9:15 AM

3.6

Boundary Layer Effects on Frontogenesis

William Blumen, University of Colorado, Boulder, CO

9:30 AM

3.7

Boundary layer dynamics and associated entrainment rates of heat and water vapor over a pasture site in amazonia

Jose D. Fuentes, University of Virginia, Charlottesville, VA; and R. Heitz, A. Betts, M. Garstang, J. M. Sigler, B. Ferrier, and J. Halverson

9:45 AM

3.7a

Coffee Break

Session 4

MAP: Foehn

Host: Ninth Conference on Mountain Meteorology

Organizer: Robert M. Banta, NOAA/ERL/ETL

8:30 AM

4.1

A Comparison of foehn flow in a major valley and its tributaries, a contribution to MAP

Reinhold Steinacker, Univ. of Vienna, Vienna, Austria; and M. Dorninger, I. Gröhn, C. Häberli, A. Schmölz, and M. Spatzierer

8:45 AM

4.2

Evidence of flow-splitting in the Rhine Valley during the MAP field experiment by ground-based Doppler lidar and in-situ measurements

Philippe Drobinski, Laboratoire de Météorologie Dynamique, École Polytechnique, Palaiseau, France; and A. M. Dabas, P. H. Flamant, A. Delaval, M. Aupierre, P. Delville, C. Boitel, J. M. Donier, B. Romand, C. Loth, and C. Haeberli

9:00 AM

4.3

Crosswind measurements with scintillometers at 500 m above valley floor during foehn

Markus Furger, Paul Scherrer Institute, Villigen PSI, Switzerland

9:15 AM

4.4

Foehn flow in the Austrian Alps interrupted by a cold front passage: Part I

Lisa S. Darby, NOAA/ETL, Boulder, CO; and A. Gohm, L. B. Nance, S. Gabersek, R. M. Banta, and S. Sandberg

9:30 AM

4.5

Foehn flow in the Austrian Alps interrupted by a cold front passage: Part II

Alexander Gohm, Univ. of Innsbruck, Innsbruck, Austria; and G. J. Mayr, S. Mobbs, S. Arnold, J. Vergeiner, L. S. Darby, R. M. Banta, and S. Sandberg

Coffee Break

Session 5

Mountain Waves

Host: Ninth Conference on Mountain Meteorology

Organizer: James Doyle, NRL

10:15 AM

5.1

How the lee wave was discovered

Joachim Kuettner, NCAR, Boulder, Colorado

10:45 AM

5.2

An Overview of Mountain Wave Concerns for Advanced Aeronautical Vehicle Development

L. J. Ehernberger, NASA, Dryden Flight Research Center, Edwards, CA

11:00 AM

5.3

Revisiting Queney's Flow over a Mesoscale Ridge

David J Muraki, New York Univ., Courant Institute, New York, NY

11:15 AM

5.4

Mountain wave drag due to trapped lee waves

Adrian S. Broad, UK Met Office, Bracknell, Berks., United Kingdom

11:30 AM

5.5

A numerical model for lee wave forecasting

Simon Vosper, Univ. of Leeds, Leeds, United Kingdom; and A. Doernbrack, S. Eckermann, and K. Carslaw

5.6

Mesoscale Forecasts of Stratospheric Mountain Waves in the Arctic

11:46 AM

5.6A

The Dynamics of Mountain-Wave Induced Rotors

James D. Doyle, NRL, Monterey, CA; and D. R. Durran

Session 4

Convective Boundary Layers (Bls)

Host: 14th Symposium on Boundary Layer and Turbulence

Organizers: Bert Holtslag, Wageningen Agricultural University; Bjorn Stevens, University of California

10:15 AM

4.1

Airborne radar observations of convective plumes in the boundary layer

David Leon, University of Wyoming, Laramie, WY

10:30 AM

4.2

Observations of the altitude dependence of the logarithmic width of the distribution of the refractive-index structure parameter in the convective boundary layer

Andreas Muschinski, CIRES/University of Colorado and NOAA/ERL/ETL, Boulder, CO; and S. A. McLaughlin

10:45 AM

4.3

Observations of the afternoon transition

Alison W. Grimsdell, CIRES/University of Colorado, and NOAA/AL, Boulder, CO; and W. M. Angevine

11:00 AM

4.4

Scalar Budgets in the Convective Boundary Layer

Kenneth J. Davis, University of Minnesota, St. Paul, MN; and C. Yi, B. W. Berger, R. J. Kubesh, and P. S. Bakwin

11:15 AM

4.5

Characteristic length scales for reactants in a convective boundary layer

Jordi Vila-Guerau de Arellano, Wageningen University, Wageningen and KNMI, De Bilt, Netherlands; and H. J. J. Jonker

11:30 AM

4.6

Adjoint Retrieval of Wind and Temperature Fields from a Simulated Convective Boundary Layer

Ching-Long Lin, Iowa Institute of Hydraulic Research and University of Iowa, Iowa City, IA; and T. Chai and J. Sun

11:45 AM

4.7

Estimating the convective mixed layer height from surface-layer variables

Robert M. Banta, NOAA/ERL/ETL, Boulder, CO; and Y. L. Pichugina and C. J. Senff

12:00 PM

4.8

Modification of atmospheric surface-layer structure by large-scale convective wind gusts

D. Keith Wilson, U.S. Army Research Laboratory, Adelphi, MD

12:15 PM

4.9

Convective Transport Theory and Counter-Difference Fluxes

Roland B. Stull, University of British Columbia, Vancouver, BC, Canada; and E. Santoso

12:30 PM

4.10

Interactions of Deep Cumulus Convection and the Boundary Layer over the Southern Great Plains

Steven K. Krueger, University of Utah, Salt Lake City, UT; and S. M. Lazarus, Y. Luo, and K. M. Xu

12:45 PM

4.11

Post-frontal air mass modification

Jeffrey M. Freedman, SUNY, Albany, NY; and D. R. Fitzjarrald and K. E. Moore

1:00 PM

4.12

Using the CASES-97 Data to model land surface heterogeneity

Fei Chen, NCAR, Boulder, CO; and D. Yates, H. Nagai, M. A. LeMone, R. L. Grossman, and K. Ikeda

1:15 PM

4.13

A simple model of the convective internal boundary layer and its application to surface heat flux estimates within polynyas

Ian A. Renfrew, British Antarctic Survey, Cambridge, United Kingdom; and J. C. King

1:30 PM

4.14

A model for Convective Boundary Layer development in an alpine valley

Dino Zardi, University of Trento, Trento, Italy; and A. Spoladore and M. Tubino

1:45 PM

4.15

A Lagrangian Footprint Model for Stratifications Ranging from Stable to Convective

Natascha Kljun, Swiss Federal Institute of Technology, Zurich, Switzerland; and M. W. Rotach and H. P. Schmid

2:00 PM

4.16

An Advection-Diffusion scheme for the convective boundary layer: description and 1d-results

A. Pier Siebesma, KNMI, De Bilt, Netherlands; and J. Teixeira

2:15 PM

4.17

An evaluation of MM5 surface fluxes and mixing depths during the Nashville Southern Oxidants Studies

Robert J. Zamora, NOAA/ERL/ETL, Boulder, CO; and J. W. Bao, A. B. White, and M. Trainer

2:30 PM

4.6a

Discussion

2:45 PM

4.12a

Coffee Break

3:15 PM

4.6b

Lunch Break

Session 6

Lee-side phenomena: Wakes and Downslope Winds

Host: Ninth Conference on Mountain Meteorology

Organizer: Vanda Grubisic, DRI

1:30 PM

6.1

Regimes of orographic flow and direction of the drag couple on the rotating earth

Haraldur Ólafsson, Univ. of Iceland, Icelandic Meteorological Office and Institute for Meteorological Research, Reykjavík, Iceland

1:45 PM

6.2

Lee vortex formation in stratified flow over 3d ridges

Craig C. Epifanio, NCAR, Boulder, CO; and D. R. Durran

2:00 PM

6.3

Simulation of transient eddies and flow separation over the Isle of Arran

Jutta Thielen, UMIST, Manchester, United Kingdom; and A. Gadian, S. Vosper, and S. Mobbs

2:15 PM

6.4

Observation of Terrain-Induced Windshear around Hong Kong International Airport under stably stratified conditions

S.Y. Lau, Hong Kong Observatory, Hong Kong; and C. M. Shun

6.5

Gap winds and downslope winds

2:31 PM

6.6

A Mountain Wave Event West of the Colorado Park Range

Christopher N. Jones, NOAA/NWS, Grand Junction, CO; and J. D. Colton, R. McAnelly, and M. P. Meyers

2:46 PM

6.7

Forecasting downslope windstorms at Boulder, Colorado: The empirical-statistical approach revisited

Pete Leptuch, Univ. of Oklahoma, Norman, OK; and J. M. Brown, H. B. Bluestein, E. Thaler, and M. Richman

3:01 PM

6.8

Diurnally Driven Summertime Winds in the Lee of the Sierra: the Washoe Zephyr

David Kingsmill, DRI, Reno, NV

3:16 PM

6.9

Sundowners: Santa Ynez Mountains Downslope Lee Heating Wind Events

Erik Klimczak, San Diego State Univ., San Diego, CA; and C. E. Dorman

3:31 PM

6.5A

Measurement of the mountain drag on South Georgia

Stephen Mobbs, Univ. of Leeds, Leeds, United Kingdom; and P. Anderson

3:45 PM

6.6A

Coffee Break

Poster Session P1: Oral Briefing

Session 9

CASES99 Experiment

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Walter Bach, US Army Research Office

4:45 PM

9.1

CASES-99 Field Experiment: An Overview

Gregory S. Poulos, Colorado Research Associates, Boulder, CO; and D. C. Fritts, W. Blumen, and W. D. Bach, Jr.

5:00 PM

9.2

Intermittent turbulence Events observed with a sonic Anemometer and Minisodar during CASES99

Richard. L. Coulter, ANL, Argonne, IL; and J. C. Doran

Poster Session 1

Poster Session P1: Poster Session with Buffet Dinner

Host: Ninth Conference on Mountain Meteorology

P1.1

Calculating Moisture Budgets over the Alps Using Finite Elements

Leopold Haimberger, Univ. of Vienna, Vienna, Austria; and C. Matulla and M. Dorninger

P1.2

Diagnosing convection during selected MAP-IOP cases

Manfred Dorninger, Univ. of Vienna, Vienna, Austria; and H. Maurer and L. Haimberger

P1.3

A look at the 30 October 1999 south foehn event in the Wipptal

Louisa B. Nance, CIRES/Univ. of Colorado and NOAA/ETL, Boulder, CO; and L. S. Darby and R. M. Banta

P1.4

Intercomparison of ultrasonic anemometers during the MAP Riviera project

Andreas Christen, Univ. of Basel, Basel, Switzerland; and E. van Gorsel, M. Andretta, P. Calanca, M. W. Rotach, and R. Vogt

P1.5

A new, simple model for thermally induced airflow in an Alpine valley

Friedrich Woelfelmaier, Univ. of Vienna, Vienna, Austria; and R. Steinacker

P1.6

Numerical simulations of thermally forced 2-D flows in idealized valley cross-sections

Paolo Espa, Univ. of Pavia, Pavia, Italy; and S. Maddè

P1.7

Changes in the Alpine boundary layer during the solar eclipse of 11 August 1999

C. David Whiteman, PNNL, Richland, WA; and R. Mayr, M. Furger, and E. Dreiseitl

P1.8

Evaluation of Atmospheric Boundary Layer dynamics in an alpine valley

Massimiliano de Franceschi, Univ. of Trento, Trento, Italy; and G. Rampanelli, D. Zardi, M. Tagliazucca, and F. Tampieri

P1.9

Dynamic and thermodynamic structure of an orographic squall line observed by means of Doppler radars during the MAP Experiment

Pierre Tabary, CETP/UVSQ/CNRS, Vélizy, France; and G. Scialom

P1.10

Space-time analysis of rainfall in relation to topography for heavy precipitation events observed during MAP

Matthias Steiner, Princeton Univ., Princeton, NJ; and J. A. Smith, M. L. Baeck, Y. Zhang, and R. A. Houze

P1.11

Thunderstorm Tracks and Their Relationship to Orography from an Alpine Lightning Composite

Manfred Dorninger, Univ. of Vienna, Vienna, Austria; and A. Frank, A. Kann, and R. Steinacker

P1.12

Topographical modification of the marine atmospheric boundary layer by a bend in the west coast

Kathleen A. Edwards, SIO, La Jolla, CA; and D. P. Rogers, C. E. Dorman, and C. D. Winant

P1.13

Onshore flow and coastally trapped disturbances: an idealised simulation

P1.14

Topographically trapped lows along the subtropical westcoast of South America. Part II: Mesoscale simulation of a typical episode.

Rene D. Garreaud, Univ. of Chile., Santiago, Chile

P1.15

The Generation of Propagating Gravity Wave by an Orographic Density Current

Fuqing Zhang, NCAR, Boulder, CO; and S. E. Koch

P1.16

Instability of a neutral eady wave and orography

Maurizio Fantini, ISAO-CNR, Bologna, Italy; and S. Davolio

P1.17

A diagnostic mean velocity potential equation and its application to lee cyclogeneses

Qiu-Shi Chen, Ohio State Univ., Columbus, OH; and D. H. Bromwich

P1.18

Vortex shedding in strongly stratified flows past mountains

Simon Vosper, Univ. of Leeds, Leeds, United Kingdom; and I. Castro, W. Snyder, P. Hayden, and S. Mobbs

P1.19

Poster Moved to Oral Presentation 5.6A

P1.20

Mountain-induced lee waves and rotor circulations

Chris Smith, UK Met. Office, Bracknell, Berks., United Kingdom; and A. S. Broad

P1.21

The 26 January 1999 Windstorm over Southeast Colorado

Paul Wolyn, NOAA/NWS, Pueblo, CO

P1.22

Investigation on the relationship between wind direction and angle of air flow at the tower of Mount Washington Observatory, NH, from selected examples

Axel Bohnstedt, Ruhr-Univ. Bochum, Bochum, Germany; and A. Pflitsch

P1.23

Simulations of the wind field for the summit area of Mount Washington taking into account different conditions of air flow during the measurement period of 60 years in the 20th century

Andreas Pflitsch, Ruhr-Univ. Bochum, Bochum, Germany; and M. Ruschkowski

P1.24

Using a second order turbulent closure model for gravity waves

John D. Lindeman, Univ. of Leeds, Leeds, United Kingdom

P1.25

Analyses and Numerical Studies of Mountain-Valley Circulations with 924-MHz Profilers

Elford G. Astling, West Desert Test Center, Dugway, UT

P1.26

Bias in mean vertical wind measured by VHF radars: significance of radar location relative to mountains

Richard M. Worthington, CIRES/Univ. of Colorado, Boulder, CO

P1.27

A Rare Tornadic Thunderstorm in Northeast Utah

Jeffery D. Colton, NOAA/NWS, Grand Junction,, CO; and C. N. Jones and M. P. Meyers

P1.28

Significant Warming Induced by Downslope Winds near the Smoky Mountains

David M. Gaffin, NOAA/NWS, Morristown, TN

P1.29

Unexpected Heavy Snowfall Generated by Wave Activity across the Southern Appalachian Region

David M. Gaffin, NOAA/NWS, Morristown, TN; and S. S. Parker and P. D. Kirkwood

P1.30

Synoptic climatology of Rocky Mountain snowfall in the second phase of the Atmospheric Model Intercomparison Project

James A. Miller, CIRES/Univ. of Colorado, Boulder, CO

P1.31

Snow Forecasting on Remote Highways: Strategies and Performance Measurement

Gabor Fricska, MSC, Kelowna, BC, Canada; and K. Johnson

P1.32

A Southwest Colorado Mountain Flash Flood in an Enhanced Monsoonal Environment

Brian A. Avery, NOAA/NWS, Grand Junction, CO; and C. N. Jones, J. D. Colton, and M. P. Meyers

P1.33

Diurnal variation of water vapor over the central Tibetan Plateau during summer

Tsuneo Kuwagata, Tohoku National Agricultural Experiment Station, Morioka, Iwate, Japan; and A. Numaguti and N. Endo

P1.34

The relationship between the diurnal variation of the water vapor and topography over the Tibetan Plateau

Nobuhiko Endo, Frontier Research System for Global Change, Tsukuba, Ibaraki, Japan

P1.35

Torrential rainfall east to the Tibetan Plateau

P1.36

Seasonal characteristics of nocturnal cooling in relation to the downward long-wave radiation in a mountainous area, Central Japan

Yoshihiro Iijima, Tokyo Metropolitan Univ., Tokyo, Japan; and M. Shinoda

P1.37

Numerical Modeling study of hurricane boundary layer wind flow over mountainous terrain

P1.20A

A Study of the Effect of Resolution on the Properties of Modelled Atmospheric Flow Over Orography

Lowri A. Davies, UK Met. Office, Bracknell, Berks., United Kingdom; and A. R. Brown

Poster Session 1

Surface

Host: 14th Symposium on Boundary Layer and Turbulence

P1.1

Locally Stationary Analysis of Hurricane Windfields

James Dunyak, Texas Tech University, Lubbock, TX; and R. Howard, X. Gilliam, and R. E. Peterson

P1.2

Mixing Length in the Surface Layer matching the Similarity Theory in a single column TKE framework

Jacobo Orbe, Spanish National Meteorological Institute, Madrid, Spain; and J. Cuxart and J. L. Redelsperger

P1.3

Preliminary Results from the OASIS2000 Field Project

Christopher M. McAloon, Oklahoma Climatological Survey, Univ. of Oklahoma, Norman, OK; and S. J. Richardson, J. A. Brotzge, and T. W. Horst

P1.4

Site Characterization of the Texas Tech Wind Engineering Research Field Laboratory

Mark R. Conder, Texas Tech University, Lubbock, TX; and R. E. Peterson and D. A. Smith

P1.5

Sonic anemometer tilt correction algorithms

James M. Wilczak, NOAA/ERL/ETL, Boulder, CO; and S. P. Oncley and S. A. Stage

P1.6

Spectral dependence of the correction for path-smoothing by 3-D anemometers

F. D. Cropley, Indiana University, Bloomington, IN; and H. P. Schmid and C. S. B. Grimmond

P1.7

Paper has been moved to Session 1, Paper Number 1.12a

P1.8

Investigation of Eddy Structure over Rough Surfaces in a Turbulent Channel Flow

Jie Cui, Iowa Institute of Hydraulic Research and University of Iowa, Iowa City, IA; and V. C. Patel and C. L. Lin

P1.9

Paper moved to Session 1, Paper Number 1.11A

P1.10

A comparison of wind prediction models for transitional flow regimes

Anna Gardner, Texas Tech University, Lubbock, TX; and C. Letchford and J. Schroeder

P1.11

Detecting Localized Periods of Concentrated Turbulence Using Wavelets

Xiaoning L. Gilliam, Texas Tech University, Lubbock, TX; and J. Dunyak and A. Doggett

P1.12

Experiences from one-year continuous operation of a large aperture scintillometer over a heterogeneous land surface

Frank Beyrich, German Weather Service, Lindenberg, Germany; and H. A. R. de Bruin and J. W. Schipper

P1.13

Flow Structures over Inhomogeneous Rough Surface under Near-Neutral Conditions

Ching-Long Lin, Iowa Institute of Hydraulic Research and University of Iowa, Iowa City, IA; and J. W. Glendening

P1.14

Further Evaluation of the HRW Model using Conditional Sampling

Ronald M. Cionco, U.S. Army Research Laboratory, Adelphi, MD; and S. S. Chang

P1.15

Improved Estimates of Wind Speed Estimates Over Short Time Periods

P1.15a

Characterizing Turbulence in Nonstationary Winds

James P. Dunyak, Texas Tech University, Lubbock, TX; and A. Doggett, X. Gilliam, and D. A. Smith

Poster Session 2

Cloudy

Host: 14th Symposium on Boundary Layer and Turbulence

P2.1

An evaluation of cloud size distributions using LES

Roel A. J. Neggers, KNMI, De Bilt, Netherlands; and H. J. Jonker and A. P. Siebesma

P2.2

Cloud-topped boundary layer simulations with a single-column GCM

Sylvain Cheinet, Laboratoire de Meteorologie Dynamique, Paris, France; and Z. X. Li and H. Le Treut

P2.3

Cloud-topped continental boundary layer structure and behavior

Wayne M. Angevine, CIRES/Univ. of Colorado and NOAA/AL, Boulder, CO; and A. B. White

P2.4

Coupling Boundary-Layer Thermals and Fair-Weather Cumuli

Larry K. Berg, Univ. of British Columbia, Vancouver, BC, Canada; and R. B. Stull

P2.5

Discretization problem in modeling cloudy boundary layer growth using diffusion of conservative variables

Yves Delage, MSC, Dorval, PQ, Canada; and C. Girard and G. Pellerin

Poster Session 3

Entrainment

Host: 14th Symposium on Boundary Layer and Turbulence

P3.1

Modeling the Interfacial Layer in Large-Scale Models

Martin J. Otte, Penn State University, University Park, PA; and J. C. Wyngaard, N. L. Seaman, and D. R. Stauffer

P3.2

Morning transition of the temperature profile close to the surface

Ricardo C. Muñoz, Penn State University, University Park, PA; and J. C. Wyngaard and D. R. Stauffer

Poster Session 4

Convective

Host: 14th Symposium on Boundary Layer and Turbulence

P4.1

Large-Eddy Simulations of a Coupled PBL/Land-Surface System

Peter P. Sullivan, NCAR, Boulder, CO; and E. G. Patton and C. H. Moeng

P4.2

Low-order models of a sheared convective boundary layer

Alexander Gluhovsky, Purdue University, West Lafayette, IN; and C. Tong

P4.3

Numerical simulation of the interaction between the dryline and horizontal convective rolls

Steven E. Peckham, University of Illinois, Urbana, IL; and R. B. Wilhelmson, L. J. Wicker, and C. L. Ziegler

P4.4

Wind and Temperature Profiles in the Radix Layer

Roland B. Stull, University of British Columbia, Vancouver, BC, Canada; and E. Santoso

P4.5

Observations and numerical study of the morning transition: A case study from SOS99

Allen B. White, CIRES/Univ. of Colorado and NOAA/ERL/ETL, Boulder, CO; and R. J. Zamora, K. J. Olszyna, C. A. Russell, B. D. Templeman, and J. W. Bao

P4.6

Predicting Joint Frequency Distributions In the Boundary Layer

Larry K. Berg, Univ. of British Columbia, Vancouver, BC; and R. B. Stull

P4.7

Response of the atmospheric moisture flux to the soil moisture

Jielun Sun, NCAR, Boulder, CO; and L. Mahrt, D. Vickers, I. MacPherson, and T. Jackson

P4.8

On development of convective boundary layer

Chuixiang Yi, University of Minnesota, St. Paul, MN; and K. J. Davis, B. W. Berger, and P. S. Bakwin

P4.9

Intra-regional variability of CBL mixing depth as a function of wind speed near Nashville during SOS

Robert M. Banta, NOAA/ERL/ETL, Boulder, CO; and A. B. White, C. J. Senff, and W. Angevine

P4.10

Influence of Large Scale Vertical Field on Convective Patterns: a Speculation from Swift-Hohenberg Model

Yasumasa Ookouchi, Yatsushiro National College of Technology, Yatsushiro, Japan; and T. Hada

P4.11

A Local-Closure Turbulent Mixing Parameterization for Applications in Atmospheric Modeling

P4.12

A Mass-Flux/K-Diffusion approach to the parameterization of the convective boundary layer: global model results

Joao Teixeira, UCAR Visiting Scientist, NRL, Monterey, CA; and A. P. Siebesma

P4.13

A numerical study of the effects of large eddies on photochemistry in the convective boundary layer

Jerold A. Herwehe, NOAA/ERL/ARL/ATDD, Oak Ridge, TN; and R. T. McNider and M. J. Newchurch

P4.14

Analysis of airborne data and identification of thermal structures with geostatistical techniques

G. Rampanelli, University of Trento, Trento, Italy; and D. Zardi

P4.15

Evaluation of the drag coefficient for the Convective Boundary Layer

Dino Zardi, University of Trento, Trento, Italy; and D. Rossi

P4.16

Evaluation of non-local mixing parameterization using a Lagrangian particle model coupled with LES

Poster Session 5A

Dispersion

Host: 14th Symposium on Boundary Layer and Turbulence

P5A.1

Paper moved to Session 5A, Paper Number 5A.1A

Poster Session 5B

LAKE-ICE

Host: 14th Symposium on Boundary Layer and Turbulence

P5B.1

The influence of a small lake on the mesoscale flow in a boreal forest boundary-layer

Michael Tjernström, Stockholm University, Stockholm, Sweden; and P. Samuelsson

P5B.2

Surface-layer gust-structure derived from volume imaging lidar data and large eddy simulations

Edwin W. Eloranta, University of Wisconsin, Madison, WI; and S. D. Mayor and G. J. Tripoli

P5B.3

Mesoscale Structures in the Lake-Induced Convective Boundary Layer

George S. Young, Penn State University, University Park, PA; and E. Hebble

P5B.5

Lake-ICE observations during wintertime cold air outbreaks over the Great Lakes Region

Peter J. Sousounis, University of Michigan, Ann Arbor, MI; and C. P. J. Scott

P5B.6

Idealized Model Simulations of Lake-Induced Mesoscale Vortices

Neil F. Laird, University of Illinois and ISWS, Champaign, IL; and D. A. R. Kristovich and J. E. Walsh

P5B.7

Gravity waves can directly influence surface-layer wind stress in a convective boundary layer

Pierre D. Mourad, University of Washington, Seattle, WA; and N. Winstead, T. Sikora, and D. Thompson

P5B.8

Factors leading to the observed structures of roll convection observed by Lake Ice as revealed by cloud resolving numerical siimulation

Gregory J. Tripoli, University of Wisconsin, Madison, WI; and A. Adams

P5B.9

A plethora of atmospheric features imaged over the Great Lakes by SAR

Pierre D. Mourad, University of Washington, Seattle, WA; and N. S. Winstead

P5B.10

A Lake-scale vortex over Lake Superior imaged by SAR and modeled by MM5: a preliminary study

Pierre D. Mourad, University of Washington, Seattle, WA; and N. S. Winstead, N. F. Laird, and D. A. R. Kristovich

P5B.11

Eddy-resolving lidar measurements and numerical simulations of the convective internal boundary layer

Shane D. Mayor, University of Wisconsin, Madison, WI; and E. W. Eloranta and G. J. Tripoli

Poster Session 6A

Marine

Host: 14th Symposium on Boundary Layer and Turbulence

P6A.1

Spatial and temporal variability of lower-tropospheric flow over the East Pacific cold tongue

Leslie M. Hartten, CIRES/University of Colorado and NOAA/AL, Boulder, CO; and N. A. Bond and K. S. Gage

P6A.2

Small scale Langmuir circulations

Tetsu Hara, University of Rhode Island, Narragansett, RI; and D. G. Zuykov

P6A.3

Self-consistency of turbulence spectra measured with the helicopter-borne turbulence measurement system HELIPOD during PHELIX

Andreas Muschinski, CIRES/University of Colorado and NOAA/ERL/ETL, Boulder, CO

P6A.4

Pre- and Post- Sea-Breeze Frontal Lines—A Meso-gamma Scale Analysis Over South Israel

Pinhas Alpert, Tel-Aviv University, Tel-Aviv, Israel; and M. Rabinovich-Hadar

P6A.5

Orographically and thermally forced coastal marine boundary layer structure and dynamics

Stephen D. Burk, NRL, Monterey, CA; and T. Haack and R. M. Hodur

P6A.6

Momentum flux in off-shore flow

Dean Vickers, Oregon State University, Corvallis, OR; and L. Mahrt, J. Sun, and T. Crawford

P6A.7

Large-Eddy Simulations of a High Wind Hurricane-Like Boundary Layer

Shouping Wang, USRA, Huntsville, AL; and E. W. McCaul, Jr. and K. R. Knupp

P6A.8

Influence of swell on the wind gradient in the marine atmospheric boundary layer

P6A.9

AUV Surveys of a Shallow Subtropical Water Column Beneath a Cold Atmospheric Front

Manhar R. Dhanak, Florida Atlantic University, Boca Raton, FL; and M. Brennan, M. Chernys, K. Holappa, R. G. Lueck, and S. Monismith

P6A.10

An Old and Improved Bulk Algorithm for Air-Sea Fluxes: COARE2.6a

E. F. Bradley, CSIRO Land and Water, Canberra, Australia; and C. W. Fairall, J. E. Hare, and A. A. Grachev

P6A.11

A sensitivity and convergence analysis of a bulk air-sea flux model

Paul A. Frederickson, NPS, Monterey, CA

Poster Session 6B

Urban

Host: 14th Symposium on Boundary Layer and Turbulence

P6B.1

Paper moved to Session 6B, Paper Number 6B.1A

P6B.2

Paper moved to Session 6B, Paper Number 6B.2A

P6B.3

Urban heat island observations over Nashville in 1999

Wayne M. Angevine, CIRES/Univ. of Colorado, Boulder, CO; and A. B. White, C. J. Senff, M. Trainer, and R. M. Banta

Poster Session 6C

Vegetative

Host: 14th Symposium on Boundary Layer and Turbulence

P6C.1

Developments in a land surface scheme used for regional climate simulations in SWECLIM

Patrick Samuelsson, Stockholm University, Stockholm, Sweden; and B. Bringfelt and S. Gollvik

P6C.2

Representation of the canopy conductance in modelling the surface energy budget

Reinder Jan Ronda, Wageningen University, Wageningen, Netherlands; and A. A. M. Holtslag and H. A. R. de Bruin

P6C.3

Temporal and spatial variability of mean flow and turbulence characteristics over a deciduous forest

Hong-Bing Su, Indiana University, Bloomington, IN; and H. P. Schmid, C. S. B. Grimmond, C. S. Vogel, and P. S. Curtis

P6C.4

The EBEX 2000 Field Experiment

Steven P. Oncley, NCAR, Boulder, CO; and T. Foken, R. Vogt, C. Bernhofer, H. Liu, Z. Sorbjan, A. Pitacco, D. Grantz, and L. Riberio

Poster Session 7

Stable

Host: 14th Symposium on Boundary Layer and Turbulence

P7.1

Vertical Structure and Intermittent Turbulence of Nocturnal Stable Boundary Layer

Fengjun Yu, Arizona State University, Tempe, AZ; and N. Berman, H. Fernando, and E. Pardyjak

P7.2

Turbulence intermittency in the stable boundary layer

Jielun Sun, NCAR, Boulder, CO; and S. Burns, D. H. Lenschow, and G. Oosterhuis

P7.3

Turbulence spectra and vertical profiles of energy dissipation rate and temperature structure parameter in thin turbulent layers embedded in a stably stratified environment

Andreas Muschinski, CIRES/University of Colorado and NOAA/ERL/ETL, Boulder, CO; and R. M. Worthington, R. G. Frehlich, M. L. Jensen, and B. B. Balsley

P7.4

Highly-resolved LES of the stable boundary layer over terrain

Ronald J. Calhoun, LLNL, Livermore, CA; and R. T. Cederwall, D. E. Stevens, and R. L. Street

P7.5

A Theoretical Study on the role of turbulent erosion in the breakup of cold air pools in basins

Xindi Bian, PNNL, Richland, WA; and C. D. Whiteman, S. Zhong, and R. Mayr

P7.6

Analysis of different Stable Boundary Layer evolutions

C. Yagüe, Spanish National Meteorological Institute, Madrid, Spain; and G. Morales, J. Cuxart, and E. Terradellas

P7.7

Observations of stable nocturnal boundary layers over the heterogeneous surface of northern Alabama

Justin T. Walters, University of Alabama, Huntsville, AL; and K. R. Knupp

Poster Session 8

Polar

Host: 14th Symposium on Boundary Layer and Turbulence

P8.1

Application of SHEBA data to the evaluation of boundary layer parameterizations in an arctic climate model

Jeffrey D. Mirocha, University of Colorado, Boulder, CO

P8.2

Influence of the diurnal behaviour of pressure on wind speed in East Antarctica

Poster Session 9

CASES99

Host: 14th Symposium on Boundary Layer and Turbulence

P9.1

The TLS (Tethered Lifting System) used to measure in situ turbulence during the CASES-99 campaign

Michael L. Jensen, CIRES/Univ. of Colorado, Boulder, CO; and B. B. Balsley, R. G. Frehlich, R. R. Worthington, R. Rodriguez, and A. Muschinski

P9.2

The role of inertial oscillations in the generation of nocturnal LLJs during CASES99

Julie K. Lundquist, University of Colorado, Boulder, CO

P9.3

Radiative flux divergence measurements durning CASES-99

S. P. Burns, NCAR, Boulder, CO; and J. Sun, A. C. Delany, S. P. Oncley, and T. W. Horst

P9.4

Radar observations of stable boundary layer during CASES'99

Türker Ince, University of Massachusetts, Amherst, MA; and J. Li, F. J. Lopez-Dekker, A. L. Pazmany, and S. J. Frasier

P9.5

Thermocouple temperature measurements from the CASES-99 main tower

Sean P. Burns, NCAR, Boulder, CO; and J. Sun

P9.6

Quantitative infrared imagery of the development of a nocturnal drainage wind during CASES 99 and contrasted with traditional micrometeorological observations

Lawrence F. Radke, NCAR, Boulder, CO; and A. C. Delany and J. Sun

P9.7

Doppler lidar observations of internal gravity waves, shear instabilities and turbulence during CASES-99

R. K. Newsom, CIRA/Colorado State Univ., Fort Collins, CO; and R. M. Banta, J. Otten, W. L. Eberhard, and J. K. Lundquist

P9.8

Coherent pressure disturbances during CASES-99

C. J. Nappo, NOAA/ARL/ATDD, Oak Ridge, TN; and D. L. Auble, E. Dumas, J. Cuxart, G. Morales, C. Yague, and E. Terradellas

P9.9

Calibration of Fine-Wire Turbulence Sensors for the CIRES TLS (Tethered Lifting System) at CASES99

Rod Frehlich, University of Colorado, Boulder, CO; and M. L. Jensen, R. Worthington, A. Muschinski, and B. Balsley

P9.10

Formation and evolution of the nocturnal LLJ and surface-layer vertical mixing in the SBL during CASES-99

Robert M. Banta, NOAA/ERL/ETL, Boulder, CO; and R. K. Newsom and J. K. Lundquist

Poster Session 10

Methods

Host: 14th Symposium on Boundary Layer and Turbulence

P10.1

Implementation of a TKE based turbulence scheme in the Operational HIRLAM Mesoscale Model

J. Cuxart, Spanish National Meteorological Institute, Madrid, Spain; and J. Calvo

P10.2

Mean wind profiles derived from Doppler radar or lidar data using general scanning techniques

R. K. Newsom, CIRA/Colorado State Univ., Fort Collins, CO

P10.3

Numerical simulation of the neutral boundary layer: a comparison of enstrophy conserving with momentum conserving finite difference schemes

Gregory J. Tripoli, University of Wisconsin, Madison, WI; and S. D. Mayor

P10.4

The correlation velocity: On the possibility to measure fluxes of latent and sensible heat with radar wind profilers and sodars

Andreas Muschinski, CIRES/University of Colorado and NOAA/ERL/ETL, Boulder, CO; and V. I. Tatarskii

Joint Session 1

Mountain Boundary Layers I

Hosts: (Joint between the Ninth Conference on Mountain Meteorology; and the 14th Symposium on Boundary Layer and Turbulence )

Organizer: C. David Whiteman, PNNL

8:00 AM

J1.1

The turbulence structure and exchange processes in an Alpine valley: the MAP-Riviera project

Mathias W. Rotach, Swiss Federal Institute of Technology and Institute of Climate Research, Zürich, Switzerland; and P. Calanca, R. Vogt, D. G. Steyn, S. Graziani, and J. Gurtz

8:15 AM

J1.2

The turbulence structure in an Alpine valley

Pierluigi Calanca, Swiss Federal Institute of Technology, Zurich, Switzerland; and M. W. Rotach, M. Andretta, A. Weiss, R. Vogt, E. van Gorsel, and A. Christen

8:30 AM

J1.3

Micrometeorological measurements at an alpine slope

Eva van Gorsel, Univ. of Basel, Basel, Switzerland; and A. Christen, E. Parlow, and R. Vogt

8:45 AM

J1.4

Characterization of a complex measuring site for flux measurements

Thomas Foken, Univ. of Bayreuth, Bayreuth, Germany; and A. Mangold, C. Rebmann, and B. Wichura

9:00 AM

J1.5

Momentum balance of the near-surface flow over orography

Samantha Arnold, Univ. of Leeds, Leeds, United Kingdom; and B. Gardiner, M. Hill, S. Mobbs, and S. Vosper

9:15 AM

J1.6

Negative shear gusts in complex terrain

Jakob Mann, Risoe National Laboratory, Roskilde, Denmark

9:30 AM

J1.7

Topographic Effects on Flux Measurements at Harvard Forest

Ralf M. Staebler, SUNY, Albany, NY; and D. R. Fitzjarrald, K. E. Moore, M. Czikowsky, and O. C. Acevedo

Coffee Break

Joint Session 2

Air Quality, Mixing and Diffusion

Hosts: (Joint between the Ninth Conference on Mountain Meteorology; and the 14th Symposium on Boundary Layer and Turbulence )

Organizer: Jerome D. Fast, PNNL

10:15 AM

J2.1

The VTMX program

J. Christopher Doran, PNNL, Richland, WA

10:30 AM

J2.2

Canyon Drainage Induced Mixing over a Large Basin

James R. Stalker, LANL, Los Alamos, NM; and J. E. Bossert, K. R. Costigan, D. L. Langely, and M. J. Brown

10:45 AM

J2.3

Investigation of nocturnal and morning transition regimes in the El Paso area

Keeley R. Costigan, LANL, Los Alamos, NM; and J. E. Bossert and D. L. Langley

11:00 AM

J2.4

A comparison of moments extracted from wind profiler spectra with in situ measurements

William J. Shaw, PNNL, Richland, WA; and J. M. Hubbe

11:15 AM

J2.5

Vertical Pollutant Transport over Alpine Foothills

André S. H. Prévôt, Paul Scherrer Institute, Villigen-PSI, Switzerland; and M. Furger, J. Dommen, and B. Neininger

11:30 AM

J2.6

Boundary Layer Processes affecting pollutant transport and dispersion over a Complex-Terrain Coastal Region

Sharon Zhong, PNNL, Richland, WA; and X. Bian, C. D. Whiteman, D. C. Ruffieux, and A. B. White

11:45 AM

J2.7

MesoWest: Cooperative Mesonets in the Western United States

John D. Horel, NOAA Cooperation Institute for Regional Prediction/Univ. of Utah, Salt Lake City, UT; and M. E. Splitt, B. White, and L. Dunn

Lunch Break

Joint Session 3

Mountain Boundary Layers II

Hosts: (Joint between the Ninth Conference on Mountain Meteorology; and the 14th Symposium on Boundary Layer and Turbulence )

Organizer: George S. Young, Penn State Univ.

J3.1

The wind climate in an arctic mountain valley

1:45 PM

J3.2

Advances in mesoscale modeling of katabatic flows over large ice sheets

John J. Cassano, Byrd Polar Research Center and Ohio State Univ., Columbus, OH; and D. H. Bromwich, Z. Guo, and L. Li

2:00 PM

J3.3

Observational requirements for describing boundary layer characteristics over a complex-terrain coastal region

S. Zhong, PNNL, Richland, WA; and J. D. Fast and X. Bian

2:15 PM

J3.4

Wind analysis in complex terrain

Steven M. Lazarus, NOAA/Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, Utah; and C. M. Ciliberti and J. D. Horel

2:30 PM

J3.5

Case Study of the Daytime Planetary Boundary Layer Modulation in a Desert Mountain Valley

Elford G. Astling, West Desert Test Center, Dugway, UT; and T. T. Warner and D. L. Rife

2:45 PM

J3.6

Boundary layer effects on mountain gravity waves

Melinda S. Peng, NRL, Monterey, CA; and W. T. Thompson

Coffee Break

Joint Session 4

Basin Boundary Layers

Hosts: (Joint between the Ninth Conference on Mountain Meteorology; and the 14th Symposium on Boundary Layer and Turbulence )

Organizer: Jakob Mann, Risoe National Laboratory

3:30 PM

J4.1

Boundary Layer Characteristics in Phoenix and Their Effect on Vertical Transport and Mixing

Jerome D. Fast, PNNL, Richland, WA; and J. C. Doran

3:45 PM

J4.2

Wintertime cold air pools in the Columbia Basin

C. David Whiteman, PNNL, Richland, WA; and S. Zhong, X. Bian, W. J. Shaw, J. M. Hubbe, and J. Mittelstadt

4:00 PM

J4.3

Meteorological processes leading to cold pool formation and destruction in the Columbia Basin

Sharon Zhong, PNNL, Richland, WA; and C. D. Whiteman, W. J. Shaw, J. M. Hubbe, and X. Bian

4:15 PM

J4.4

Observations of a cold air pool in a remote mountain basin

Craig B. Clements, NOAA Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, UT; and C. D. Whiteman and J. D. Horel

4:30 PM

J4.5

Analysis of the wind and temperature field in an alpine lake basin

Meinolf Kossmann, Univ. of Canterbury, Christchurch, New Zealand; and A. P. Sturman, P. Zawar-Reza, H. A. McGowan, A. J. Oliphant, I. F. Owens, and R. A. Spronken-Smith

4:45 PM

J4.6

Spatial heterogeneity of surface energy exchange in an alpine catchment

Andrew J. Oliphant, Univ. of Canterbury, Christchurch, New Zealand; and A. P. Sturman and R. A. Spronken-Smith

Sessions end for the day

Session 5A

Dispersion

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Jakob Mann, Risø

8:00 AM

5A.1

Particulate Matter dispersion modeling in Alpine valleys

Peter de Haan, INFRAS Ltd., Bern, Switzerland

8:15 AM

5A.2

Statistics of surface adherence time in atmospheric dispersion of tracer gases

John D. Wilson, University of Alberta, Edmonton, AB, Canada; and T. K. Flesch

8:30 AM

5A.3

Subfilter-scale scalar transport for large-eddy simulation

Fotini V. Katopodes, Stanford University, Stanford, CA; and R. L. Street and J. H. Ferziger

8:45 AM

5A.4

The performance of Lagrangian stochastic models in uniform shear flow

Brian L. Sawford, CSIRO Atmospheric Research, Aspendale, Vic., Australia; and P. K. Yeung

9:00 AM

5A.5

Lagrangian Modeling of Mean and Fluctuating Concentrations from Sources in the Convective Boundary Layer

Jeffrey C. Weil, CIRES/Univ. of Colorado, Boulder, CO; and P. P. Sullivan and C. H. Moeng

5A.6

Fumigation and dispersion of pollutants into a growing CBL

9:15 AM

5A.7

Mixing of Reactive Gases in the Convective Boundary Layer

Gé H. L. Verver, KNMI, De Bilt, Netherlands; and H. V. Dop and A. A. M. Holtslag

9:30 AM

5A.6a

Measurements of a gust front passage and its effect on ozone levels (Formerly Paper P5A.1)

Lisa S. Darby, NOAA/ERL/ETL, Boulder, CO; and W. A. Brewer, R. Marchbanks, E. Williams, C. J. Senff, R. M. Banta, and W. D. Neff

9:45 AM

5A.7a

Coffee Break

Session 5B

Lake-ICE Experiment

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: George Young, Penn State University

8:00 AM

5B.1

In Situ and Airborne Doppler Radar Investigations of Lake-Effect Boundary Layer Circulations

David A. R. Kristovich, ISWS, Champaign, IL; and N. F. Laird and M. R. Hjelmfelt

5B.2

Surface and cloud coupling in cold air transformation: Lessons from Lake-ICE

8:15 AM

5B.3

The impact of additional rawinsonde observations on a mesoscale model simulation of a lake-effect snow event

Christopher P. J. Scott, University of Michigan, Ann Arbor, MI; and P. J. Sousounis

8:30 AM

5B.4

Coherent structures and transitional patterns in convective boundary layers

Ernest M. Agee, Purdue University, West Lafayette, IN; and S. Zurn-Birkhimer and A. Gluhovsky

8:45 AM

5B.5

Numerical simulation of boundary layer development and convective structure over Lake Michigan during Lake-ICE

Liyu Guo, South Dakota School of Mines and Technology, Rapid City, SD; and M. R. Hjelmfelt, D. A. R. Kristovich, and W. J. Capehart

9:00 AM

5B.2a

Multi-scale analysis of in-cloud vertical velocity derived from 94-GHz Doppler radar (Formerly paper P5B.3)

Natasha L. Miles, Penn State University, University Park, PA; and D. M. Babb and J. Verlinde

Session 7

Orographic Clouds and Precipitation I

Host: Ninth Conference on Mountain Meteorology

Organizer: Bradley F. Smull, NOAA/NSSL

8:30 AM

7.1

Preliminary Results from the Intermountain Precipitation Experiment

David M. Schultz, NOAA/NSSL, Norman, OK; and W. J. Steenburgh, R. J. Trapp, D. A. Kingsmill, and L. Dunn

8:45 AM

7.2

Validation of quantitative precipitation forecasts during IPEX

John D. Horel, NOAA/Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, UT; and L. Cheng and M. E. Splitt

9:00 AM

7.3

Orographic influences on the lake-effect snow of the Great Salt Lake

Daryl J. Onton, NOAA/Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, UT

9:15 AM

7.4

An assessment of the utility of a local model for operational mountain snowfall predictions

Edward J. Szoke, NOAA/ERL/FSL, Boulder, CO; and D. Barjenbruch and E. Thaler

9:30 AM

7.5

Coupled model simulation of snowfall events over the Black Hills

Jianzhong Wang, South Dakota School of Mines and Technology, Rapid City, SD; and M. R. Hjelmfelt and W. J. Capehart

Coffee Break

Session 8

Orographic Clouds and Precipitation II

Host: Ninth Conference on Mountain Meteorology

Organizer: Matthias Steiner, Princeton Univ.

10:15 AM

8.1

Observations of orographically enhanced precipitation along the West Coast of the United States during the CALJET field program

Paul J. Neiman, NOAA/ETL, Boulder, CO; and F. M. Ralph, A. B. White, and P. O. G. Persson

10:30 AM

8.2

S-band radar observations of orographic rain during CALJET

Allen B. White, CIRES/Univ. of Coloado, Boulder, CO; and F. M. Ralph, P. J. Neiman, and D. A. Kingsmill

10:45 AM

8.3

Comparison of flooding in adjacent mountainous coastal watersheds during a land falling Pacific winter storm

F. Martin Ralph, NOAA/ERL/ETL, Boulder, CO; and P. J. Neiman, D. A. Kingsmill, J. W. Bao, P. O. G. Persson, S. Michelson, and A. B. White

11:00 AM

8.4

Sensitivity of frontal circulations and precipitation to topographic forcing

Wendell A. Nuss, NPS, Monterey, CA; and D. K. Miller

11:15 AM

8.5

Mountain airflow dynamics, cloud physics, and precipitation

Qingfang Jiang, Yale Univ., New Haven, CT; and R. B. Smith

11:30 AM

8.7

Orographically Induced Flash Floods on the Northern Italian Coast

Gregory J. Tripoli, Univ. of Wisconsin, Madison, WI; and G. Panegrossi, A. Mugnai, S. Dietrich, and E. A. Smith

11:45 AM

8.8

Observations and fine-grid simulations of an orographically-initiated convective event in northeastern Spain

Romualdo Romero, NOAA/ERL/NSSL, Norman, OK; and C. A. Doswell III

Session 6A

Marine and Oceanic Bls

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Steven Anderson, WHOI

10:15 AM

6A.1

On the effects of sea state on momentum flux

William M. Drennan, Univ. of Miami/RSMAS, Miami, FL; and H. C. Graber and M. A. Donelan

10:30 AM

6A.2

Breaking of surface gravity waves and air-sea momentum flux

Tetsu Hara, University of Rhode Island , Narragansett, RI; and S. E. Belcher and N. Scott

10:45 AM

6A.3

Pierre D. Mourad, University of Washington, Seattle, WA; and D. C. Vandemark, T. L. Crawford, J. Sun, and L. Mahrt

11:00 AM

6A.4

Near-surface streaks: comparison of LES with theory

Ralph C. Foster, JISAO/Univ. of Washington, Seattle, WA; and P. Drobinski

11:15 AM

6A.5

Simulations of Stratified Turbulent Flow over Moving Waves

Peter P. Sullivan, NCAR, Boulder, CO; and J. C. McWilliams

11:30 AM

6A.6

The turbulent kinetic energy budget over sea

Anna Sjöblom, Uppsala University, Uppsala, Sweden; and A. S. Smedman

11:45 AM

6A.7

Downward Flux of Moisture over the Ocean

James B. Edson, WHOI, Woods Hole, MA; and R. C. Beardsley, W. R. McGillis, J. E. Hare, and C. W. Fairall

12:00 PM

6A.8

Long term measurement of turbulent fluxes at sea

Jeffrey E. Hare, CIRES/University of Colorado and NOAA/ERL/ETL, Boulder, CO; and C. W. Fairall and J. Otten

12:15 PM

6A.9

Observations of mesoscale variability in marine surface-layer momentum flux events

Pierre D. Mourad, University of Washington, Seattle, WA; and B. A. Walter, T. L. Crawford, J. Sun, and L. Mahrt

6A.10

Direct Measurements of the Meso-scale Divergence Rate and Vorticity

12:45 PM

6A.11

Spectral Transfer of Velocity-Salinity Correlation for Inhomogeneous Turbulence for Marine Atmospheric Boundary Layer

Sukaran Ram Patel, Universidade Federal da Paraíba, Campina Grande, Brazil; and E. M. da Silva

1:00 PM

6A.12

Stratified boundary layers during swell

Anna Rutgersson, Swedish Meteorological and Hydrological Institute, Norrköping, Sweden; and A. S. Smedman and U. Högström

1:15 PM

6A.13

Interaction of a stable marine atmospheric boundary layer with a low-level jet

William T. Thompson, NRL, Monterey, CA; and M. Shapiro and N. A. Bond

1:30 PM

6A.14

Momentum transfer over the coastal zone

Jielun Sun, NCAR, Boulder, CO; and D. C. Vandemark, L. Mahrt, D. Vickers, T. Crawford, and C. S. Vogel

1:45 PM

6A.15

Air-sea flux measurements from a buoy in a coastal ocean region

Paul A. Frederickson, NPS, Monterey, CA; and K. L. Davidson

2:00 PM

6A.16

Scintillation in the coastal atmospheric surface layer

Guy Potvin, Defence Research Establishment Valcartier, Val-Bélair, PQ, Canada; and D. Dion, J. L. Forand, C. Zeisse, P. A. Frederickson, and K. Davidson

2:15 PM

6A.17

California and Oregon Humidity and Coastal Fog

Jessica D. Lundquist, SIO, La Jolla, CA; and T. B. Bourcy

2:30 PM

6A.18

Profiler Observations of the Boundary Layer within Hurricanes Georges and Earl during Landfall

Kevin R. Knupp, University of Alabama, Huntsville, AL; and J. Walters, D. Massey, and E. W. McCaul Jr.

2:45 PM

6A.19

Comparison of marine boundary layer turbulence structure in high wind conditions in different regions of maritime storms

Bernard A. Walter, Northwest Research Associates, Bellevue, WA; and P. O. G. Persson

3:00 PM

6A.7a

Lunch Break

4:30 PM

6A.13a

Coffee Break

Lunch Break

Session 9

Orographic Clouds and Precipitation III

Host: Ninth Conference on Mountain Meteorology

Organizer: John Horel, NOAA, Cooperative Institute for Regional Prediction

1:30 PM

9.1

The Generation of Propagating Gravity Waves by a Mountain-Plains Solenoid (MPS)

Steven E. Koch, NOAA/ERL/FSL, Boulder, CO; and F. Zhang

1:45 PM

9.2

Mountain Cumulus initation along the front range

Thomas S. Haiden, NOAA/ERL/FSL, Boulder, CO

2:00 PM

9.3

Rocky Mountain summer convective activity under various flow regimes

Donna F. Tucker, Univ. of Kansas, Lawrence, KS; and N. A. Crook

2:15 PM

9.4

Thunderstorms in the Khumbu Himal, Spring 1999

Yolanda N. Rosoff, City College of New York, New York, NY; and E. E. Hindman and K. Koirala

2:30 PM

9.5

Heavy rainfall induced by a tropical depression over a mesoscale mountain range

Yuh-Lang Lin, North Carolina State Univ., Raleigh, NC; and S. Chiao, T. A. Wang, M. L. Kaplan, B. W. Shen, G. Lai, C. P. Pu, and C. W. Lee

2:45 PM

9.6

The Central Mountain Range of Taiwan Island in Central Weather Bureau Non-hydrostatic Limited Area Model

Tzay-Ming Leou, Central Weather Bureau, Taipei, Taiwan; and C. S. Liou

Session 6B

Urban Bls

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Ken Davis, Penn State University

6B.1

Atmospheric turbulence in a suburban area of Chicago

6B.2

Atmospheric turbulence over cities

2:00 PM

6B.3

An Evaluation of Boundary Conditions for Modeling Urban Boundary Layers

David E. Stevens, LLNL, Livermore, CA; and R. J. Calhoun, S. T. Chan, and R. L. Lee

2:15 PM

6B.1a

A k-epsilon Turbulence Closure Model for Urban Atmospheric Boundary Layer (Formerly paper P6B.1)

Thanh Ca Vu, Saitama University, Urawa, Saitama, Japan; and Y. Ashie and T. Asaeda

2:30 PM

6B.2a

Experimental study on mean flow and turbulence characteristics in an urban roughness sublayer (Formerly Paper P6B.2)

Petra Kastner-Klein, Swiss Federal Institute of Technology, Zurich, Switzerland; and M. W. Rotach and E. Fedorovich

Session 6C

Vegetative Canopies

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Ken Davis, Penn State University

2:15 PM

6C.1

On the influence of a forest canopy on top-down and bottom-up diffusion in the planetary boundary layer

Edward G. Patton, Penn State Univ., University Park, PA; and P. P. Sullivan and K. J. Davis

2:30 PM

6C.2

Conditional sampling and compositing of coherent structures in a large-eddy simulation of canopy turbulence

Li Wang, University of California, Davis, CA; and R. H. Shaw, K. T. Paw U, and E. G. Patton

2:45 PM

6C.3

A Numerical Simulation of Nocturnal Wave-like Motions over Forests

Xinzhang Hu, Yale Univ., New Haven, CT; and X. Lee and D. E. Stevens

3:00 PM

6C.4

Nighttime Turbulence Statistics and Trace Gas Exchange in a Mixed Deciduous Forest

H. P. Schmid, Indiana University, Bloomington, IN; and H. B. Su, C. S. Vogel, and P. S. Curtis

3:15 PM

6C.5

The influence of the pressure velocity covariance term w'p' on eddy covariance co2 fluxes at a high elevation site in southern Wyoming

William J. Massman, USDA/Forest Service, Fort Collins, CO; and J. M. Frank

3:30 PM

6C.6

Fluxes of the stable carbon isotope ¹³C above a spruce forest measured by hyperbolic relaxed eddy accumulation method

Bodo Wichura, University of Bayreuth, Bayreuth, Germany; and N. Buchmann and T. Foken

3:45 PM

6C.7

Wind speed and air temperature scaling within and just above a crop canopy

A. F. G. Jacobs, Wageningen University, Wageningen, Netherlands; and B. J. van de Wiel and A. A. M. Holtslag

6C.8

Turbulent flow and canopy architecture just above and inside of forest canopies

4:15 PM

6C.9

Structure of Turbulence in the Plant Canopy Derived from an Improved k-epsilon Turbulence Closure Model

Thanh Ca Vu, Saitama University, Urawa, Saitama, Japan

4:30 PM

6C.3a

Coffee Break

Session 10

Coastal Barrier Effects

Host: Ninth Conference on Mountain Meteorology

Organizer: Richard Rotunno, NCAR

3:30 PM

10.1

Blocking by California's coastal mountains in winter as revealed using island and coastal boundary-layer wind profilers

F. Martin Ralph, NOAA/ERL/ETL, Boulder, CO; and P. J. Neiman, P. O. G. Persson, and L. B. Nance

3:45 PM

10.2

Small-amplitude coastally trapped disturbances and the reduced-gravity shallow-water approximation

Dale R. Durran, Univ. of Washington, Seattle, WA

4:00 PM

10.3

Transitions in supercritical flows along mountainous coastlines

Stefan Söderberg, Stockholm Univ., Stockholm, Sweden; and M. Tjernström

4:15 PM

10.4

Orographic Influences on Coastal Refractivity

Tracy Haack, NRL, Monterey, CA; and S. D. Burk and R. M. Hodur

4:30 PM

10.5

The Relationship Between the Catalina Eddy and Mountain Lee Side Effects

Clive E. Dorman, SIO/Univ. of California, La Jolla, CA; and E. Klimczak

4:45 PM

10.6

Topographically trapped lows along the subtropical west coast of South America. Part I: Climatology

Rene D. Garreaud, Univ. of Chile., Santiago, Chile

Sessions end for the day

FRI 11 AUG

Session 7

Stable Bls

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Ric Cederwall, LLNL

8:00 AM

7.1

An analysis of bulk parameterizations of stably-stratified atmospheric boundary layers using large-eddy simulations

Branko Kosovic, California Institute of Technology, Pasadena, CA

8:15 AM

7.2

A subgrid-scale model for the large-eddy simulation of atmospheric boundary layer

Feng Ding, North Carolina State University, Raleigh, NC; and S. P. S. Arya and Y. L. Lin

8:30 AM

7.3

Testing subgrid parametrizations for LES through experiments

Peter G. Duynkerke, Utrecht University, Utrecht, Netherlands; and P. J. Jonker and A. van Dijk

8:45 AM

7.4

The effect of shear suppression from excessive shear on the turbulence in a stable surface layer

Ann-Sofi Smedman, Uppsala University, Uppsala, Sweden

9:00 AM

7.5

Study of the non-stationary behaviour of the Stable Boundary layer in SABLES 98: spectral and wavelet methods

G. Morales, Spanish National Meteorological Institute, Madrid, Spain; and E. Terradellas, J. Cuxart, and C. Yagüe

9:15 AM

7.6

One-Demensional Simulations of Stable Boundary Layer as observed in SABLES98

B. Vukelic, Meteorological and Hydrological Service of Croatia, Zagreb, Croatia; and J. Cuxart

9:30 AM

7.7

A new nocturnal boundary layer model

Kyung-Ja Ha, Pusan National University, Pusan, Korea, Republic of (South); and L. Mahrt

9:45 AM

7.8

Very stable boundary layers: are they boundary layers?

Larry Mahrt, Oregon State University, Corvallis, OR

10:00 AM

7.9

Combined lidar and in-situ measurements of waves in the stable night-time boundary layer above Kansas

Richard M. Worthington, CIRES/Univ. of Colorado, Boulder, CO; and R. Banta, R. K. Newsom, J. K. Lundquist, M. L. Jensen, A. Muschinski, R. G. Frehlich, and B. B. Balsley

10:15 AM

7.10

Wavelet Analysis of Thermocouple Measurements During CASES-99

Gerrit Oosterhuis, Wageningen University, Wageningen, Netherlands; and J. Sun and S. Burns

10:30 AM

7.11

Intermittent Turbulence and Oscillations in the stable boundary layer: a System Dynamics Approach

Bas J. H. van de Wiel, Wageningen University, Wageningen, Netherlands; and R. J. Ronda, A. F. Moene, H. A. R. De Bruin, and A. A. M. Holtslag

10:45 AM

7.12

Relating temporal and spatial structure of the nocturnal surface layer to landscape heterogeneity

Otávio C. Acevedo, SUNY, Albany, NY; and D. R. Fitzjarrald

11:00 AM

7.13

Nocturnal pollutant transport and LLJ structure during SOS-99 in Nashville

Robert M. Banta, NOAA/ERL/ETL, Boulder, CO; and C. J. Senff, W. A. Brewer, L. S. Darby, and W. Angevine

11:15 AM

7.14

First-order turbulence modelling for the stratified atmospheric boundary layer

Bruno Abart, Ecole Centrale de Nantes, Nantes, France; and J. F. Sini and P. G. Mestayer

11:30 AM

7.7a

Coffee Break

12:00 PM

7.14a

Lunch Break

Session 11

Regional Climate Issues

Host: Ninth Conference on Mountain Meteorology

Organizer: Keeley R. Costigan, LANL

8:30 AM

11.1

Effects of clouds, surface albedo and ozone variations on ultraviolet radiation climatology at Storm Peak Laboratory

Melanie A. Wetzel, DRI, Reno, NV; and R. D. Borys

8:45 AM

11.2

Winter time radiation and energy balance components and cloudiness in a mountainous valley

Esmaiel Malek, Utah State Univ., Logan, UT

9:00 AM

11.3

A Climatological Study of Wind Systems of the United States Intermountain West

Jebb Q. Stewart, NOAA/Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, UT; and C. D. Whiteman, W. J. Steenburgh, and X. Bian

9:15 AM

11.4

Various measurement methods used to determine the local wind field on and around Mount Washington, New Hampshire

Andreas Pflitsch, Ruhr-Univ., Bochum, Germany; and K. L. Rancourt

9:30 AM

11.5

Invariance of the design storm in a region under a strong positive trend in annual rainfall in a middle-latitudes region in Argentina

Omar Abel Lucero, Instituto Nacional del Agua, and Univ. Nacional de Cordoba, Cordoba, Argentina

Coffee Break

Session 12

Treatment of Orography in GCMs and NWP Models

Host: Ninth Conference on Mountain Meteorology

Organizer: Melinda S. Peng, NRL

10:15 AM

12.1

The Parameterization of Drag Induced by Stratified Flow over Anisotropic Orography

John F. Scinocca, Univ. of Victoria, Victoria, BC, Canada; and N. A. McFarlane

10:30 AM

12.2

Towards a formulation of the impact of mesoscale orographic variability on a cloud-topped PBL for use in GCMs.

Rafael Terra, Univ. of California, Los Angeles, CA; and A. Arakawa and C. R. Mechoso

10:45 AM

12.3

A new terrain-following vertical coordinate suited for high-resolution NWP models over complex topography

Christoph Schär, Federal Institute of Technology, ETH, Zürich, Switzerland

11:00 AM

12.4

Model sensitivities affecting long-term simulations of precipitation

Keeley R. Costigan, LANL, Los Alamos, NM; and J. E. Bossert, J. R. Stalker, and D. L. Langley

11:15 AM

12.5

Surface pressure data analysis in complex terrain

Michael E. Splitt, NOAA/Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, UT; and T. Blazek

11:30 AM

12.6

Sensitivity experiments with a high resolution data assimilation scheme

Carol M. Ciliberti, NOAA/Cooperative Institute for Regional Prediction and Univ. of Utah, Salt Lake City, Utah; and J. D. Horel and S. M. Lazarus

Closing Remarks

Session 8

Polar Bls

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Walter Bach, US Army Research Office

1:30 PM

8.1

Stable Surface-layer Flux Profile Relationships in the Arctic from the SHEBA Experiment

C. W. Fairall, NOAA/ERL/ETL, Boulder, CO; and P. O. G. Persson, E. L. Andreas, and P. S. Guest

1:45 PM

8.2

Modelled and observed phenomena's in a marginal ice zone

Mikael Magnusson, Uppsala University, Uppsala, Sweden; and A. S. Smedman and J. Rost

8.3

The influence of orography and cloud amount on the flow dynamics close to Ny-Ålesund, Svalbard

2:15 PM

8.4

Large-Eddy Simulation of an Arctic stable cloudy boundary layer

Qiuqing Zhang, University of Utah, Salt Lake City, UT; and S. K. Krueger

2:30 PM

8.5

Two-Dimensional Cloud Resolving Modeling of Arctic Leads Based upon Mid-Winter Sheba Conditions

Michael A. Zulauf, University of Utah, Salt Lake City, UT; and S. K. Krueger

2:45 PM

8.6

Wind tunnel study of various stable boundary layers: The Effects of Temperature Profiles on SBL Flow Structures

Yuji Ohya, Kyushu University, Kasuga, Japan; and T. Uchida and T. Karasundani

3:00 PM

8.6a

Coffee Break

3:20 PM

8.6b

Student Awards

Session 10

Methods

Host: 14th Symposium on Boundary Layer and Turbulence

Organizer: Walter Bach, US Army Research Office

3:30 PM

10.1

Analysis of Turbulence Intermittency Using Variable Interval Reynolds Time Averaging

George Treviño, CHIRES Inc., San Antonio, TX; and E. L. Andreas

3:45 PM

10.2

A modeling approach to evaluate aircraft sampling strategies for estimation of terrestrial CO₂ fluxes

Marek Uliasz, Colorado State University, Fort Collins, CO

4:00 PM

10.3

The atmospheric influence on the flow downstream wind turbines

Mikael Magnusson, Uppsala University, Uppsala, Sweden

4:15 PM

10.4

Performance of a three-dimensional ultrasonic anemometer/thermometer for turbulence measurements

Holger Siebert, Institute for Tropospheric Research, Leipzig, Germany; and A. Muschinski

Conference Ends

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