Program: Ninth Conference on Mountain Meteorology (Aspen Meeting)

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Monday, 7 August 2000

5:00 PM-7:00 PM: Monday, 7 August 2000

Conference Registration

Tuesday, 8 August 2000

7:00 AM-5:00 PM: Tuesday, 8 August 2000

Conference Registration

8:30 AM-8:45 AM: Tuesday, 8 August 2000

Welcoming Remarks

Organizer: Vanda Grubisic, DRI

8:45 AM-8:45 AM: Tuesday, 8 August 2000

Session 0A

Overview of Mesoscale Alpine Programme (MAP)

Host: Ninth Conference on Mountain Meteorology

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

9:15 AM-12:00 PM: Tuesday, 8 August 2000

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

12:00 PM-1:30 PM: Tuesday, 8 August 2000

Lunch Break

1:30 PM-3:00 PM: Tuesday, 8 August 2000

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

3:00 PM-3:30 PM: Tuesday, 8 August 2000

Coffee Break

3:30 PM-5:00 PM: Tuesday, 8 August 2000

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

5:00 PM-5:00 PM: Tuesday, 8 August 2000

Ice Breaker Reception

Wednesday, 9 August 2000

7:30 AM-5:00 PM: Wednesday, 9 August 2000

Conference Registration Continues Through Friday, 11 August

8:30 AM-9:45 AM: Wednesday, 9 August 2000

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

9:45 AM-10:15 AM: Wednesday, 9 August 2000

Coffee Break

10:15 AM-11:59 AM: Wednesday, 9 August 2000

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

12:00 PM-1:30 PM: Wednesday, 9 August 2000

Lunch Break

1:30 PM-3:59 PM: Wednesday, 9 August 2000

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

4:00 PM-4:45 PM: Wednesday, 9 August 2000

Poster Session P1: Oral Briefing

6:00 PM-6:00 PM: Wednesday, 9 August 2000

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

Thursday, 10 August 2000

8:00 AM-9:45 AM: Thursday, 10 August 2000

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

9:45 AM-10:15 AM: Thursday, 10 August 2000

Coffee Break

10:15 AM-12:00 PM: Thursday, 10 August 2000

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

12:00 PM-1:30 PM: Thursday, 10 August 2000

Lunch Break

1:30 PM-2:45 PM: Thursday, 10 August 2000

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

3:00 PM-3:30 PM: Thursday, 10 August 2000

Coffee Break

3:30 PM-5:00 PM: Thursday, 10 August 2000

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

Friday, 11 August 2000

8:30 AM-9:45 AM: Friday, 11 August 2000

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

9:45 AM-10:15 AM: Friday, 11 August 2000

Coffee Break

10:15 AM-12:00 PM: Friday, 11 August 2000

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

12:00 PM-1:30 PM: Friday, 11 August 2000

Lunch Break

1:30 PM-3:00 PM: Friday, 11 August 2000

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

3:00 PM-3:30 PM: Friday, 11 August 2000

Coffee Break

3:30 PM-5:00 PM: Friday, 11 August 2000

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

Saturday, 12 August 2000

8:30 AM-9:45 AM: Saturday, 12 August 2000

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