11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

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Sunday, 20 June 2004

7:00 AM-7:00 AM: Sunday, 20 June 2004

Sun June 20

5:00 PM-7:00 PM: Sunday, 20 June 2004

Conference Registration

Monday, 21 June 2004

7:00 AM-7:00 AM: Monday, 21 June 2004

Mon June 21

7:30 AM-7:30 AM: Monday, 21 June 2004

Conference Registration continues Through Friday June 25

8:30 AM-8:45 AM: Monday, 21 June 2004

Welcoming Remarks

8:45 AM-10:30 AM: Monday, 21 June 2004

Session 1

MOUNTAIN WAVES

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: James D. Doyle, NRL

8:45 AM

1.1

The Temporal Evolution of Mountain Waves, Lee Vortices and Orographic Blocking

Dale R. Durran, University of Washington, Seattle, WA; and C. C. Chen and G. J. Hakim

Recorded Presentation

9:00 AM

1.2

Mountain Wave Momentum Flux in a Slowing Evolving Flow

Chih-Chieh Chen, University of Washington, Seattle, WA; and D. R. Durran and G. J. Hakim

Recorded Presentation

9:15 AM

1.3

Resonant drag regimes in linear stratified flow past isolated mountains and ridges

Miguel A. C. Teixeira, University of Lisbon, Lisbon, Portugal; and P. M. A. Miranda and M. A. Valente

Recorded Presentation

Presentation PDF (172.9 kB)

9:30 AM

1.4

Sensitivity of orographic drag to model resolution

Samantha A. Smith, Met Office, Exeter, Devon, United Kingdom; and A. Brown, J. D. Doyle, and S. Webster

Recorded Presentation

Presentation PDF (194.2 kB)

9:45 AM

1.5

Improving the specification of sub-grid orography in NWP drag parametrizations.

Stuart Webster, Met Office, Exeter, Devon, United Kingdom

Recorded Presentation

Presentation PDF (208.0 kB)

10:00 AM

1.6

A few surprises in 2D nonlinear flow over topography

David J. Muraki, Simon Fraser University, Burnaby, BC, Canada; and C. C. Epifanio and C. Snyder

10:15 AM

1.7

Interaction between lee-waves and a planetary boundary layer

Qingfang Jiang, NRL, Monterey, CA; and J. Doyle and R. B. Smith

10:30 AM-11:00 AM: Monday, 21 June 2004

Coffee Break

11:00 AM-12:00 PM: Monday, 21 June 2004

Session 2

ROTORS

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Dale R. Durran, University of Washington

11:00 AM

2.1

Sierra Rotors and the Terrain-induced Rotor Experiment (T-REX)

Vanda Grubisic, DRI, Reno, NV; and J. P. Kuettner

Recorded Presentation

Presentation PDF (2.4 MB)

11:15 AM

2.2

On the structural characteristics and dynamics of sub-rotors

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

Recorded Presentation

11:30 AM

2.3

Observations of rotors and downslope winds in the Falkland Islands

Peter Sheridan, Met Office, Exeter, United Kingdom; and S. Vosper and S. Mobbs

Presentation PDF (541.7 kB)

11:45 AM

2.4

Characteristics of rotor streaming in the Falkland Islands

Rita Cardoso, University of Leeds, Leeds, West Yorkshire, United Kingdom; and S. Mobbs, R. Burton, S. Vosper, and P. Sheridan

Recorded Presentation

12:00 PM-1:30 PM: Monday, 21 June 2004

Lunch Break

1:30 PM-2:45 PM: Monday, 21 June 2004

Session 3

Gap winds and foehn

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Reinhold Steinacker, Institute of Meteorolgy and Geophysics

1:30 PM

3.1

The Mistral at the exit of the Rhône valley

Philippe J. Drobinski, Institut Pierre Simon Laplace/Service d'Aéronomie, Palaiseau, France; and S. Bastin, V. Guénard, J. L. Caccia, B. Campistron, U. Corsmeier, A. M. Dabas, P. Delville, F. Lohou, A. Protat, O. Reitebuch, and C. Werner

Recorded Presentation

Presentation PDF (1.1 MB)

1:45 PM

3.2

North foehn in the Alpine Inn Valley - an example of foehn on the windward side of the Alpine crest

Günther Zängl, University of Munich, Munich, Germany

Recorded Presentation

2:00 PM

3.3

The dynamics of pulsations in the bora flow

Danijel Belusic, Andrija Mohorovicic Geophysical Institute, Faculty of Science, University of Zagreb, Zagreb, Croatia; and M. Pasaric, Z. Pasaric, and M. Orlic

Recorded Presentation

Presentation PDF (2.2 MB)

2:15 PM

3.4

Observational and numerical case study of the Adriatic bora

Alexander Gohm, University of Innsbruck, Innsbruck, Austria; and G. J. Mayr

2:30 PM

3.5

Mountain-valley flow observations with a boundary layer wind profiler

Stephen A. Cohn, NCAR, Boulder, CO

Recorded Presentation

Presentation PDF (1.5 MB)

3:00 PM-3:00 PM: Monday, 21 June 2004

Coffee Break

3:15 PM-5:00 PM: Monday, 21 June 2004

Session 4

WAKES AND LEE SIDE PHENOMENA

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Richard Rotunno, NCAR

3:15 PM

4.1

The dynamics of orographic wake formation in flows with upstream blocking

Craig C. Epifanio, Texas A&M University, College Station, TX; and R. Rotunno

3:45 PM

4.2

Local winds, drag and wakes in idealized orographic flow at low Rossby number

G. N. Petersen, Univ. of Oslo, Oslo, Norway and Univ. of Iceland, Oslo, Iceland; and H. Ólafsson and J. E. Kristjánsson

Recorded Presentation

4:00 PM

4.3

High-resolution observations of separated flow in the lee of steep orography: Gaudex 2003

Huw W. Lewis, Institute for Atmospheric Science, School of the Environment, University of Leeds, Leeds, United Kingdom; and S. D. Mobbs, M. Lehning, B. Brooks, M. Hill, and N. Raderschall

4:15 PM

4.4

The Use of an Effective Froude Number in Non-Uniform Flow

P. Alexander Reinecke, University of Washington, Seattle, WA; and D. R. Durran

4:30 PM

4.5

Idealized Three-Dimensional Simulations of Fronts Interacting With the U.S. West Coast Topography

Joseph B. Olson, Stony Brook University / SUNY, Stony Brook, NY; and B. A. Colle

Recorded Presentation

Presentation PDF (1.7 MB)

4:45 PM

4.6

Origin and propagation of a disturbance associated with an African Easterly Wave as a precursor of Hurricane Alberto (2000)

Yuh-Lang Lin, North Carolina State University, Raleigh, NC; and K. E. Robertson and C. M. Hill

Presentation PDF (701.3 kB)

5:00 PM-5:30 PM: Monday, 21 June 2004

Session 5

MODELING AND PARAMETERIZATION

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Tomaz Vrhovec, University of Ljubljana

5:00 PM

5.1

Trying to achieve the no flow condition in MC2

Michel Desgagné, Recherche en Prevision Numerique and MSC, Dorval, QC, Canada; and C. Girard

5:15 PM

5.2

Nonhydrostatic simulations of orographic flows and some effects of time integration schemes

Raffaele Salerno, Centro Epson Meteo, Cinisello Balsamo (MI), Italy

Presentation PDF (876.8 kB)

5:29 PM-5:29 PM: Monday, 21 June 2004

sessions end for the day

5:30 PM-7:30 PM: Monday, 21 June 2004

Poster Session 1

Waves and Rotors

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P1.1

Linear prediction of mountain wave drag in the case of generic wind profiles

Miguel A. C. Teixeira, University of Lisbon, Lisbon, Portugal; and P. M. A. Miranda and M. A. Valente

Handout (136.3 kB)

P1.2

On Rotors, Internal Waves and Hydraulic Jumps in Simulated Stably-Stratified Flows in Utah's Salt Lake Valley

Ying Chen, Stanford University, Stanford, CA; and R. L. Street and F. L. Ludwig

Handout (661.4 kB)

P1.3

Wave propagation and PV-pulses from diurnal mountain convection

Yanping Li, Yale University, New Haven, CT; and R. B. Smith

Handout (174.4 kB)

P1.4

Inversion effects on mountain lee waves

Simon Vosper, Met Office, Exeter, United Kingdom; and P. Sheridan

Handout (2.8 MB)

P1.5

Mountain waves forced by narrow topography in the presence of vertical shear

James D. Doyle, NRL, Monterey, CA; and Q. Jiang

P1.6

Evaluation of mountain wave simulations using COAMPS and WRF-EM

James D. Doyle, NRL, Monterey, CA; and Q. Jiang, W. C. Skamarock, and P. Tsai

P1.7

Observations and Simulation of Downslope Windstorms and Gravity Waves over Northwest-Iceland

Haraldur Ólafsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland; and H. Ágústsson

Handout (912.6 kB)

P1.8

Temporal Oscillations of Pressure and Wind Speed in a Windstorm over Complex Terrain

Haraldur Ólafsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland; and H. Ágústsson

Handout (985.3 kB)

P1.9

Sierra Rotors Project: Preliminary findings

Vanda Grubisic, DRI, Reno, NV; and S. A. Cohn

Handout (2.8 MB)

P1.10

Applicability of the Reduced Gravity Shallow Water Model to Gap Flow

Tomislav Maric, Dept. of Atmospheric Sciences, University of Washington, Seattle, WA; and D. R. Durran

Poster Session 2

Wakes, instability, and Lee Cyclogenesis

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P2.1

How does your model generate potential vorticity banners? Proposal for a model intercomparison project

Jürg Schmidli, ETH, Zürich, Switzerland; and J. Doyle, O. Fuhrer, and C. Schaer

P2.2

Secondary Alpine potential vorticity banners: Sensitivity to model resolution

P2.3

A Study of Qinghai-Xizang Plateau Lee wave Rainstorm

lin Biyuan Sr., Weather Bureau of Hunnan province, Changsha, China; and S. Hong Sr., L. Xiaolu Sr., C. Zhou Sr., H. Ouyan Sr., and M. Lv Sr.

Handout (285.3 kB)

P2.4

Synoptic scale response to breaking mountain gravity waves

Armel Martin, Ecole Normale Supérieure - CNRS, Paris Cedex 05, France; and F. Lott

Handout (376.0 kB)

P2.5

Understanding the effects of complex terrain on Intermountain cyclogenesis

Gregory West, University of Utah, Salt Lake City, UT; and J. Shafer and J. Steenburgh

P2.6

Wind Lidar Observations in the Lee of Greenland

Andreas Dörnbrack, Institute of Atmospheric Physics, DLR Oberpfaffenhofen, Wessling, Germany; and M. Weissmann, S. Rahm, O. Reitebuch, R. Simmet, R. Busen, and H. Ólafsson

Handout (1.6 MB)

Poster Session 3

Gap wind, Foehn and Barrier Jets

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P3.1

Foehn analysis in the Rhine Valley with a FM-CW boundary layer Radar-RASS during the MAP experiment

Siegfried Vogt, Institut f. Meteorologie u. Klimaforschung , Forschungszentrum, Karlsruhe, Germany

Handout (617.6 kB)

P3.2

Barrier Jets in the Gulf of Alaska - A satellite climatology

George Young, Penn State University, University Park, PA; and K. Loescher, N. S. Winstead, and B. A. Colle

Handout (546.5 kB)

Poster Session 4

Mountain Boundary Layer

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P4.1

Sea breeze case study using a combination of observations and numerical simulation in complex terrain in Southern France: contribution to matter transport.

S. Bastin, Institut Pierre Simon Laplace/ Service d'Aeronomie, Palaiseau cedex, France; and P. Drobinski, A. M. Dabas, P. Delville, O. Reitebuch, and C. Werner

Handout (888.7 kB)

P4.2

The role of the Topographic Amplification Factor in the breakup of the nocturnal inversions in Yosemite Valley, Sierra Nevada

Craig Clements, University of Houston, Houston, TX; and S. Zhong

P4.3

Surface drag and heat flux conditions for atmospheric models with steep terrain

Craig C. Epifanio, Texas A&M University, College Station, TX

P4.4

Low-level-jet-induced pumping in the atmopsheric boundary layer in the lee of the Alps during a north foehn event

Cyrille Flamant, Institut Pierre-Simon Laplace, Paris, France; and E. Richard

P4.5

Mechanisms of wind channeling in the Hudson Valley, NY.

Ricardo K. Sakai, SUNY, Albany, NY; and D. R. Fitzjarrald, M. Czikowsky, and J. M. Freedman

Handout (185.9 kB)

P4.6

Simulations of the turbulence and dispersion processes in a coastal region

Danijel Belusic, Andrija Mohorovicic Geophysical Institute, Faculty of Science, University of Zagreb, Zagreb, Croatia; and D. Koracin, I. Kos, A. Jericevic, and K. Horvath

Handout (1.3 MB)

P4.7

Rotational effects on flow around idealised mountain ridges

Helen Wells, Met Office, Exeter, United Kingdom; and S. Webster and A. R. Brown

Handout (164.6 kB)

Poster Session 5

Climate and Climate Change

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P5.1

An analysis of the 1932-2004 air temperature record from the summit of Mount Washington, New Hampshire, USA

Andrea N. Grant, Mount Washington Observatory, North Conway, NH; and A. A. P. Pszenny

Handout (151.5 kB)

P5.2

Construction of the wind climate by idealized flow past real orography

Haraldur Ólafsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland; and Ó. Rögnvaldsson

Poster Session 6

Observational Techniques

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P6.1

Measurement of micro weather in valley cross section

Koji Tamai, Forestry & Forest Products Research Institute, Tsukuba, Ibaraki, Japan

Handout (164.1 kB)

P6.2

Validation of precipitable water from ECMWF model with GPS data during the MAP SOP

Olivier M. Bock, IPSL/CNRS, Paris, France; and C. Flamant, E. Richard, C. Keil, and M. N. Bouin

Handout (294.2 kB)

Poster Session 7

Anabatic and Katabatic flows

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P7.1

The gap and katabatic contributions for the MAP IOP 15 Mistral windstorm.

Vincent Guénard, Laboratoire de Sondages Electromagnétiques de l'Environnement Terrestre, La Garde, France; and P. Drobinski, G. Tédeschi, and J. L. Caccia

Handout (587.7 kB)

P7.2

A modeling study of katabatic flows over slopes with changing slope angle

Craig M. Smith, College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, OR; and E. D. Skyllingstad

Handout (151.0 kB)

P7.3

The sensitivity of thermally-driven mountain flows to land cover change.

Justin A. W. Cox, NOAA Cooperative Institute for Regional Prediction and Department of Meteorology, University of Utah, Salt Lake City, UT; and W. J. Steenburgh and G. Poulos

Poster Session 8

OROGRAPHIC PRECIPITATION

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P8.1

Quantitative precipitation forecasting of wintertime storms in the Sierra Nevada

Vanda Grubisic, DRI, Reno, NV; and R. Vellore and A. Huggins

P8.2

An investigation of record heavy lee side orographic snowfall during the great western storm of March 16-20, 2003

Gregory S. Poulos, NCAR, Boulder, CO; and J. Snook, D. A. Wesley, M. P. Meyers, and E. J. Szoke

P8.3

Verifying modeled precipitation in mountainous region for heavy precipitation cases

Tomaz Vrhovec, University of Ljubljana, Ljubljana, Slovenia; and G. Skok and R. Zabkar

Handout (272.5 kB)

P8.4

PARAMETERS CONTROLLING PRECIPITATION ASSOCIATED WITH A CONDITIONALLY UNSATURATED UNSTABLE FLOW OVER A TWO-DIMENSIONAL MESOSCALE MOUNTAIN

S.-H. Chen, U.C.-Davis, Davis, CA; and Y. L. Lin

Handout (219.4 kB)

P8.5

Impact study of MAP IOP2B observations on the mesoscale numerical simulation

Yong Wang, Central Institute for Meteorology and Geodynamics, Vienna, Austria; and E. Bazile

Handout (1.6 MB)

P8.6

Numerical simulations of the August 2002 flooding event in the Elbe catchment area

Günther Zängl, University of Munich, Munich, Germany

P8.7

Orographic modulation of precipitation and rainfall rate in the mountains of western Maine

Stephanie A Lane, University of Massachusetts Lowell, Lowell, MA; and R. W. Stimets

P8.8

Oxygen isotope ratios of recently fallen snow over the Wasatch Mountains of northern Utah

Scott A. Hynek, University of Utah, Salt Lake City, UT; and W. J. Steenburgh and G. S. Poulos

P8.9

Precipitation over concave terrain

Qingfang Jiang, UCAR Visiting Scientist, NRL, Monterey, CA

Handout (502.3 kB)

P8.10

Simulations of precipitation in the complex terrain of Iceland and comparison with glaciological observations

Ólafur Rögnvaldsson, Universtity of Bergen, Institute for Meteorological Research, Reykjavik, Iceland; and H. Ólafsson

P8.11

Atmospheric response to the orography during cases of precipitation extremes in Iceland

Haraldur Ólafsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland; and T. Jónsson

Handout (1.9 MB)

P8.12

Connections between the low-level airflow and the increase of precipitation with altitude

Haraldur Ólafsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland; and Ó. Rögnvaldsson

Handout (159.6 kB)

P8.13

Electrical conductivity of supercooled cloud water at Mt. Washington, NH

Charles C. Ryerson, U.S. Army Corps of Engineers Cold Regions Research and Engineering Lab., Hanover, NH; and G. G. Koenig, D. A. Meese, J. A. Nagle, and J. H. Cragin

Handout (472.6 kB)

Poster Session 9

Mountain Weather Forecasting

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

P9.1

A conceptual model of warm season excessive rainfall used to warn for flooding of 12 June 2002 across northern Vermont

Scott L Whittier, NOAA/NWS, South Burlington, VT; and G. A. Hanson and R. E. Bell

Handout (2.5 MB)

P9.2

A method for the objective prediction of foehn events in the Wipp Valley

Susanne Drechsel, University of Innsbruck, Austria, Innsbruck, Austria; and G. J. Mayr

P9.3

Forecasting an extreme precipitation event in Norway

Einar Magnús Einarsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland; and H. Ólafsson

Handout (464.2 kB)

P9.4

Does increasing the resolution of numerical forecasts improve forecast accuracy over fine-scale Intermountain topography?

Kenneth A. Hart, NOAA/CIRP and University of Utah, Salt Lake City, UT; and J. Steenburgh and D. J. Onton

Ice Breaker Reception with a Formal Poster viewing

Tuesday, 22 June 2004

7:00 AM-7:00 AM: Tuesday, 22 June 2004

Tue June 22

8:30 AM-10:00 AM: Tuesday, 22 June 2004

Session 6

MOUNTAIN BOUNDARY LAYERS I: TURBULENCE AND MIXING

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: C. David Whiteman, PNNL

8:30 AM

6.1

On the turbulence structure over highly complex terrain: key findings from the MAP-Riviera project

Mathias W. Rotach, Swiss Federal Office for Meteorology and Climatology, Zurich, Switzerland; and M. Andretta, P. Calanca, A. P. Weigel, and R. Vogt

Recorded Presentation

Presentation PDF (343.6 kB)

9:00 AM

6.2

High-resolution large-eddy simulations of the Riviera Valley: methodology and sensitivity studies

Fotini Katopodes Chow, Stanford University, Stanford, CA; and A. P. Weigel, R. L. Street, M. W. Rotach, and M. Xue

Recorded Presentation

Presentation PDF (1.6 MB)

9:15 AM

6.3

Stable mixing and transport in complex terrain: A challenge for measurement and modeling studies

Robert M. Banta, NOAA/ETL, Boulder, CO

9:30 AM

6.4

High-resolution large-eddy simulations of the Riviera Valley: assessment of the flow structure and the heat and moisture budgets

Andreas P. Weigel, ETH, Zürich, Switzerland; and F. K. Chow, M. W. Rotach, R. L. Street, and M. Xue

Recorded Presentation

Presentation PDF (1.9 MB)

9:45 AM

6.5

Examining nocturnal jets in the Hudson valley during HVAMS

David R. Fitzjarrald, SUNY, Albany, NY; and R. K. Sakai, J. M. Freedman, and M. Czikowsky

Recorded Presentation

Presentation PDF (1.4 MB)

10:00 AM-10:30 AM: Tuesday, 22 June 2004

Coffee Break

10:30 AM-12:00 PM: Tuesday, 22 June 2004

Session 7

MOUNTAIN BOUNDARY LAYERS II: TRANSPORT AND DISPERSION

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Robert M. Banta, NOAA/ETL

10:30 AM

7.1

The Alpine mountain-plain circulation: Airborne Doppler lidar measurements and numerical simulations using MM5 and LM

Martin Weissmann, Institute of Atmospheric Physics, DLR Oberpfaffenhofen, Germany, Wessling, Germany; and F. Braun, L. Gantner, G. Mayr, S. Rahm, and O. Reitebuch

Recorded Presentation

Presentation PDF (215.8 kB)

10:45 AM

7.2

First climatological analysis of mountain venting using water vapour profiles up-wind and down-wind of the Alps

Stephan Henne, Paul Scherrer Institute, Villigen, Switzerland; and A. S. H. Prévôt and M. Furger

Recorded Presentation

Presentation PDF (76.9 kB)

11:00 AM

7.3

Meteorological controls on ozone at Mount Washington, the highest peak in the northeastern United States

Emily V. Fischer, University of New Hampshire, Durham, NH; and R. W. Talbot, J. E. Dibb, J. L. Moody, and G. Murray

Recorded Presentation

Presentation PDF (292.0 kB)

11:15 AM

7.4

Evolution of convective boundary layer in deep valley for air quality modeling

Charles Chemel, Laboratoire des Ecoulements Géophysiques et Industriels, 38041 Grenoble Cedex 9, France; and J. P. Chollet, G. Brulfert, and E. Chaxel

Presentation PDF (2.8 MB)

11:30 AM

7.5

Thermally driven wind systems and high-altitude ozone concentrations in Yosemite National Park

Craig Clements, University of Houston, Houston, TX; and S. Zhong and J. Burley

Recorded Presentation

Presentation PDF (3.4 MB)

11:45 AM

7.6

Toward explaining the cause of large-amplitude variations in basin-scale flow and how they impact vertical transport and turbulent mixing

James O. Pinto, NCAR, Boulder, CO; and D. B. Parsons, W. O. J. Brown, B. Morley, and R. M. Banta

Recorded Presentation

12:00 PM-1:30 PM: Tuesday, 22 June 2004

Lunch Break

1:30 PM-3:00 PM: Tuesday, 22 June 2004

Session 8

MOUNTAIN BOUNDARY LAYERS III: INVERSIONS AND THERMALLY DRIVEN FLOWS

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: André S. H. Prévôt, Paul Scherrer Institute

1:30 PM

8.1

Extreme Temperature Minima in the Gstettneralm Sinkhole with respect to Different Air Masses

Benedikt Bica, Institute of Meteorology and Geophysics, University of Vienna, Vienna, Austria; and R. Steinacker and M. Dorninger

1:45 PM

8.2

Processes leading to inversion buildup in small enclosed basins

C. David Whiteman, PNNL, Richland, WA; and T. Haiden

Recorded Presentation

Presentation PDF (647.8 kB)

2:00 PM

8.3

Nocturnal boundary layer cooling rates in valleys, basins, and over plains

Stephan F.J. De Wekker, PNNL, Richland, WA; and C. D. Whiteman

Presentation PDF (646.0 kB)

2:15 PM

8.4

The influence of synoptic conditions on flow between mountain basins

Keeley R. Costigan, LANL, Los Alamos, NM

Recorded Presentation

Presentation PDF (683.5 kB)

2:30 PM

8.5

The SNaefellsnes EXperment (SNEX) - observations of local winds in a mesoscale mountain ridge

Haraldur Ólafsson, University of Iceland and the Icelandic Meteorological Office, Reykjavik, Iceland

Recorded Presentation

2:45 PM

8.6

Diurnal cycles of thermally driven flows in two adjacent Utah valley systems as revealed by EOF flow patterns

Francis L. Ludwig, Stanford University, Stanford, CA; and J. Horel and C. D. Whiteman

Recorded Presentation

Presentation PDF (715.8 kB)

3:00 PM-9:00 AM: Tuesday, 22 June 2004

Session 1

Formal Poster viewing with Coffee Break

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

4:30 PM-5:30 PM: Tuesday, 22 June 2004

Session 9

MOUNTAIN CLIMATE

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Hans Volkert, DLR, Institut fuer Physik der Atmosphaere

4:30 PM

9.1

Mass and wind atmospheric angular momentum responses to mountain torques in the 1--25 day band. Links with the Arctic Oscillation.

Francois Lott, CNRS, Paris, France; and F. D'Andrea

Recorded Presentation

Presentation PDF (395.2 kB)

4:45 PM

9.2

VERACLIM - A high resolution Reanalysis of the Alpine Atmosphere

Reinhold Steinacker, University of Vienna, Austria, Vienna, Austria; and C. Lotteraner and M. Dorninger

Recorded Presentation

Presentation PDF (31.8 kB)

5:00 PM

9.3

A climatology and case study of strong lake-breeze fronts in the Salt Lake Valley

Daniel E. Zumpfe, Cooperative Institute for Regional Prediction, Salt Lake City, UT; and J. D. Horel

Recorded Presentation

Presentation PDF (315.0 kB)

5:15 PM

9.4

Changes in upland watershed response to rainfall events during autumn transition

Matthew J. Czikowsky, University at Albany, SUNY, Albany, NY; and D. R. Fitzjarrald, R. K. Sakai, and J. M. Freedman

Recorded Presentation

Presentation PDF (283.7 kB)

5:30 PM-5:30 PM: Tuesday, 22 June 2004

sessions end for the day

8:00 PM-8:00 PM: Tuesday, 22 June 2004

TREX Meeting

Wednesday, 23 June 2004

7:00 AM-7:00 AM: Wednesday, 23 June 2004

Wed June 23

8:30 AM-10:15 AM: Wednesday, 23 June 2004

Session 10

ANABATIC AND KATABATIC FLOWS

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Gregory S. Poulos, NCAR - Atmospheric Technology Division

10.1

Water tank modelling of air pollution transport over heated slopes

8:45 AM

10.2

On quantifying waves and turbulence contributions to momentum and buoyancy transports in katabatic flows

Marko Princevac, Arizona State University, Tempe, AZ; and H. J. S. Fernando and P. Monti

Recorded Presentation

Presentation PDF (199.7 kB)

9:00 AM

10.3

The decay of convective turbulence during evening transition period

Harindra J.S. Fernando, Arizona State University, Tempe, AZ; and M. Princevac, E. R. Pardyjak, and A. Dato

Presentation PDF (52.7 kB)

9:15 AM

10.4

Extension of the Mixed-Layer Concept to Steep Topography

Thomas Haiden, Central Institute for Meteorology and Geodynamics, Vienna, Austria

Presentation PDF (47.8 kB)

10.5

MM5 simulations of diurnal winds and moisture transport in the Mt. Everest area of the Nepal Himalayas

9:45 AM

10.6

The dynamics of drainage flows developed on a low-angle slope in a large valley

Sharon Zhong, University of Houston, Houston, TX; and C. D. Whiteman

Recorded Presentation

Presentation PDF (157.2 kB)

10:00 AM

10.7

Temperature and wind velocity oscillations along a gentle slope during sea-breeze events.

S. Bastin, Institut Pierre Simon Laplace/ Service d'Aeronomie, Palaiseau cedex, France; and P. Drobinski

Presentation PDF (193.4 kB)

10:15 AM-10:15 AM: Wednesday, 23 June 2004

Coffee Break

10:30 AM-11:30 AM: Wednesday, 23 June 2004

Session 11

OBSERVATIONAL TECHNIQUES

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

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

10:30 AM

11.1

Smart Sensor Arrays For Advanced Complex Terrain Observations of the Boundary Layer

Lynette Laffea, NCAR - Atmospheric Technology Division, Boulder, CO; and G. S. Poulos and D. Carlson

10:45 AM

11.2

LIDAR Observations of Wind Shear Induced by Mountain Lee Waves

Chi Ming Shun, Hong Kong Observatory, Hong Kong, Hong Kong; and S. Y. Lau, C. M. Cheng, O. S. M. Lee, and H. Y. Chiu

Recorded Presentation

Presentation PDF (1.5 MB)

11:00 AM

11.3

Observations of turbulence and waves near Mt Washington and Mauna Kea using direct-detection lidar and the thermosonde

John P McHugh, University of New Hampshire, Durham, NH; and I. Dors, G. Y. Jumper, and R. John

Recorded Presentation

11:15 AM

11.3a

Introduction to the Mount Washington Observatory, Ken Rancourt

11:30 AM-11:30 AM: Wednesday, 23 June 2004

sessions end for the day

7:00 PM-7:00 PM: Wednesday, 23 June 2004

Banquet: Moat Mountain Brewery and Smokehouse

Thursday, 24 June 2004

7:00 AM-7:00 AM: Thursday, 24 June 2004

Thur June 24

8:30 AM-10:15 AM: Thursday, 24 June 2004

Session 12

Orographic PRECIPITATION I - MAP

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Evelyne Richard, CNRS/UPS

8:30 AM

12.1

Progress in the atmospheric sciences during the past ten years: What did MAP contribute?

Hans Volkert, DLR, Institut fuer Physik der Atmosphaere, Wessling, Germany

Recorded Presentation

Presentation PDF (1.3 MB)

9:00 AM

12.2

Precipitation in the South East Alps - MAP scientific conclusions review

Tomaz Vrhovec, University of Ljubljana, Ljubljana, Slovenia; and R. Joze, G. Gregoric, S. Pradier, F. Roux, M. Chong, and S. Micheletti

Recorded Presentation

Presentation PDF (649.8 kB)

9:15 AM

12.3

Numerical simulations of microphysical processes involved during three MAP cases (IOP8, IOP2A and IOP3)

Franck Lascaux, CNRS/UPS, Toulouse, France; and E. Richard

Recorded Presentation

Presentation PDF (374.5 kB)

9:30 AM

12.4

Analysis of convective situations over the Alps during the MAP SOP

Fabrice Arnal, CNRM, 31057 Toulouse Cedex, France; and J. STEIN and N. Asencio

Recorded Presentation

Presentation PDF (2.4 MB)

9:45 AM

12.5

Multimodel ensemble forecasts of precipitation using mesoscale models over the Alpine region during the MAP - Special Observing Period.

Federico Ceccarelli, University of Genova, Genova, Italy; and T. N. Krishnamurti, B. Mackey, and C. F. Ratto

10:00 AM

12.6

Comparison of the down-valley flow for the MAP IOP8 and IOP3 with the numerical laboratory Mesonh model.

N. Asencio, Meteo-France, Toulouse, France; and J. Stein and M. Chong

Recorded Presentation

Presentation PDF (2.4 MB)

10:15 AM-10:45 AM: Thursday, 24 June 2004

Coffee Break

10:45 AM-12:00 PM: Thursday, 24 June 2004

Session 13

OROGRAPHIC PRECIPITATION II - THEORY

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Haraldur Olafsson, University of Iceland and the Icelandic Meteorological Office

10:45 AM

13.1

Effects of diabatic cooling on the formation of convective systems upstream of the Apennines during MAP IOP-8

Heather Dawn Reeves, North Carolina State University, Raleigh, NC; and Y. L. Lin

Recorded Presentation

Presentation PDF (3.0 MB)

11:00 AM

13.2

Effect of moist processes on the flow of air within complex terrain

Matthias Steiner, Princeton University, Princeton, NJ; and R. Rotunno

Recorded Presentation

Presentation PDF (154.7 kB)

11:15 AM

13.3

Embedded cellular convection in three-dimensional moist flow past two-dimensional topography

Oliver Fuhrer, ETH, Zurich, Switzerland; and C. Schär

Recorded Presentation

Presentation PDF (383.1 kB)

11:30 AM

13.4

Simulations of nearly moist neutral flow past a two-dimensional ridge

M. Marcello Miglietta, CNR-ISAC, Lecce, Italy; and R. Rotunno

Recorded Presentation

11:45 AM

13.5

Characteristics of Orographic Precipitating Systems - tests with two models

Idar Barstad, Yale University, New Haven, CT; and R. B. Smith and P. K. Smolarkiewicz

Presentation PDF (169.1 kB)

12:00 PM-1:30 PM: Thursday, 24 June 2004

Lunch Break

1:30 PM-3:00 PM: Thursday, 24 June 2004

Session 14

OROGRAPHIC PRECIPITATION III – CLIMATOLOGY

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Ronald B. Smith, Yale University

1:30 PM

14.1

Precipitation shadows in the Hudson Valley

Jeffrey M. Freedman, Atmospheric Information Services, Albany, NY; and D. R. Fitzjarrald, R. K. Sakai, and M. J. Czikowsky

Recorded Presentation

Presentation PDF (2.9 MB)

1:45 PM

14.2

Orographic precipitation and Oregon's climate transition

Ronald B. Smith, Yale University, New Haven, CT; and I. Barstad and L. Bonneau

Recorded Presentation

Presentation PDF (232.4 kB)

2:00 PM

14.3

Mean characteristics of kinematic and thermodynamic profiles in low-level jets over the eastern Pacific: Dropsonde data from CALJET-1998 and PACJET-2001

F. Martin Ralph, NOAA/ERL/ETL, Boulder, CO; and P. J. Neiman and R. Rotunno

Recorded Presentation

2:15 PM

14.4

Orographic precipitation and the form of mountain ranges

Alison M. Anders, University of Washington, Seattle, WA; and G. H. Roe and D. R. Durran

2:30 PM

14.5

A Step Towards Understanding the Climatological Precipitation Maximum Over the Eastern Alps

Sasa Gabersek, University of Ljubljana, Ljubljana, Slovenia; and R. Zabkar and J. Rakovec

2:45 PM

14.6

Radar Observations of Orographic Precipitation Over Coastal Northern California

Curtis N. James, Embry-Riddle Aeronautical University, Prescott, AZ; and R. A. Houze

Recorded Presentation

Presentation PDF (1.8 MB)

3:00 PM-3:30 PM: Thursday, 24 June 2004

Coffee Break

3:30 PM-5:30 PM: Thursday, 24 June 2004

Session 15

OROGRAPHIC PRECIPITATION V – OBS AND MODL

Host: 11th Conference on Mountain Meteorology and the Annual Mesoscale Alpine Program (MAP)

Organizer: Francois Lott, CNRS

3:30 PM

15.1

Observations and modeling of banded orographic convection

Daniel J. Kirshbaum, University of Washington, Seattle, WA; and D. R. Durran

Recorded Presentation

Presentation PDF (3.2 MB)

3:45 PM

15.2

Cloud Structures, Microphysical Processes and Synergistic Interactions between Frontal and Orographic Forcing of Precipitation

Christopher P. Woods, University of Washington, Seattle, WA; and M. T. Stoelinga, J. D. Locatelli, and P. V. Hobbs

Recorded Presentation

Presentation PDF (447.0 kB)

4:00 PM

15.3

High-resolution simulations of precipitation during the Reykjanes Experiment (REX)

Ólafur Rögnvaldsson, Universtity of Bergen, Institute for Meteorological Research, Reykjavik, Iceland; and J. W. Bao and H. Ólafsson

Recorded Presentation

4:15 PM

15.4

Some Comparisons Between IMPROVE-2 and IPEX Kinematic and Precipitation Structures and Bulk Microphysical Verification

Brian A. Colle, Stony Brook University / SUNY, Stony Brook, NY; and M. Garvert, J. A. W. Cox, W. J. Steenburgh, D. E. Kingsmill, J. B. Wolfe, and C. P. Woods

Presentation PDF (1.0 MB)

4:30 PM

15.5

Impact of the fine-scale initialization on mesoscale simulated precipitation over mountainous areas

Katia Chancibault, LTHE (CNRS, UJF), 38041 Grenoble Cedex 9, France; and V. Ducrocq and S. Anquetin

Presentation PDF (1.3 MB)

4:45 PM

15.6

Anomalously large snowfall variations across small spatial scales in the Rocky Mountain Front Range: the roles of blocking, surface winds, and the associated thermodynamic structure

Douglas A. Wesley, UCAR/COMET, Boulder, CO; and G. S. Poulos, J. Snook, and M. P. Meyers

Recorded Presentation

Presentation PDF (1.5 MB)