Program: 13th Conference on Mesoscale Processes (13th Conference on Mesoscale Processes (17

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Sunday, 16 August 2009

5:00 PM-7:00 PM: Sunday, 16 August 2009

Registration Opens

Location: Orion (Sheraton Salt Lake City Hotel)

Monday, 17 August 2009

7:30 AM-6:00 PM: Monday, 17 August 2009

Registration Continues throughout the Conference

Location: Orion (Sheraton Salt Lake City Hotel)

8:45 AM-10:00 AM: Monday, 17 August 2009

Session 1

Mesoscale precipitation systems I

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: S. B. Trier, NCAR

8:45 AM

Welcoming Remarks

9:00 AM

1.1

Dynamic Tropopause Mesoscale Disturbances as Triggers of Warm Season Severe Weather Episodes in the Southwest

Lance F. Bosart, SUNY - University at Albany, Albany, NY; and J. E. Matusiak, T. J. Melino, S. R. Sukup, and E. Pytlak

Recorded Presentation

9:15 AM

1.2

Repeating patterns of precipitation and surface pressure evolution in midlatitude mesoscale convective vortices

Eric P. James, Colorado State University, Fort Collins, CO; and R. H. Johnson

Recorded Presentation

Presentation PDF (353.1 kB)

9:30 AM

1.3

The dependence of high-precipitation supercells on preexisting airmass boundaries: a targeted modeling study

Jenni Laflin, NOAA/NWS, Sioux Falls, SD; and A. L. Houston

Recorded Presentation

9:45 AM

1.4

Mesoscale precipitation features and dynamics of a winter storm in Central Oklahoma

Jana Lesak Houser, Univ. of Oklahoma, Norman, OK ; and H. B. Bluestein

Recorded Presentation

10:00 AM

1.5

Radar reflectivity as a proxy for convective mass transport

Gretchen L. Mullendore, University of North Dakota, Grand Forks, ND; and A. J. Homann, C. Schumacher, and K. Bevers

Recorded Presentation

10:00 AM-10:30 AM: Monday, 17 August 2009

Coffee Break

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

10:30 AM-12:00 PM: Monday, 17 August 2009

Session 2

Mesoscale precipitation systems II

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Matthew D. Parker, North Carolina State Univ.

10:30 AM

2.1

Maintenance of mesoscale convective systems over Lake Michigan

Nicholas D. Metz, Hobart and William Smith Colleges, Geneva, NY; and L. F. Bosart

Recorded Presentation

2.2

Development and propagation of a narrow cold frontal rain band in the Sierra Nevada of Northern California

Presentation PDF (1.5 MB)

11:00 AM

2.3

Convection-permitting simulations of the diurnal cycle of warm-season precipitation in the lee of the Rocky mountains

S. B. Trier, NCAR, Boulder, CO; and C. A. Davis and D. A. Ahijevych

Recorded Presentation

11:15 AM

2.4

Mesoscale convective systems crossing the Appalachian Mountains

Casey E. Letkewicz, North Carolina State University, Raleigh, NC; and M. D. Parker

Presentation PDF (2.6 MB)

11:30 AM

2.5

A climatology of convective systems over the Northeast U.S. and their structural evolution from the lee of the Appalachians to the Atlantic Coast

Kelly Lombardo, Groton, CT; and B. A. Colle

11:45 AM

2.6

A radar-based climatology of high precipitation events in the European Alps: 2000-2007

James V. Rudolph, University of Colorado, Boulder, CO; and K. Friedrich and U. Germann

Recorded Presentation

Presentation PDF (2.8 MB)

12:00 PM-1:30 PM: Monday, 17 August 2009

Lunch Break

Location: Wasatch (Sheraton Salt Lake City Hotel)

1:30 PM-2:30 PM: Monday, 17 August 2009

Session 3

Mesoscale precipitation systems III

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Gretchen L. Mullendore, University of North Dakota

1:30 PM

3.1

A climatology of high lapse rates and their influence on the occurrence (or non-occurrence) of severe weather over the central United States

Jason M. Cordeira, Univ. of Albany/SUNY, Albany, NY; and T. J. Galarneau Jr. and L. F. Bosart

Recorded Presentation

1:45 PM

3.2

Convective initiation ahead of squall lines involving small hills

Seung-hee Kim, Univ. of California, Los Angeles, CA; and R. G. Fovell

Recorded Presentation

Presentation PDF (2.4 MB)

2:00 PM

3.3

The response of simulated nocturnal convective systems to a low-level jet

Adam J. French, South Dakota School of Mines and Technology, Rapid City, SD; and M. D. Parker

Recorded Presentation

Presentation PDF (2.3 MB)

2:15 PM

3.4

Comparison of the level of neutral buoyancy observed from soundings and radar

Amanda J. Homann, University of North Dakota, Grand Forks, ND; and G. Mullendore, J. S. Tilley, and S. T. Jorgenson

Recorded Presentation

Presentation PDF (432.1 kB)

2:30 PM-4:00 PM: Monday, 17 August 2009

Poster Session 1

Poster Session I

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

CoChair: Sandra E. Yuter, North Carolina State University

Chair: Robert Fovell, Univ. of California

P1.1

Study of microphysical and thermodynamic structures within supercell thunderstorms

Katja Friedrich, University of Colorado, Boulder, CO; and J. Wurman and K. A. Kosiba

P1.2

Megers between isolated supercells and quasi-linear convective systems: a preliminary study

Adam J. French, South Dakota School of Mines and Technology, Rapid City, SD; and M. D. Parker

Handout (2.5 MB)

P1.3

Mobile sounding measurements of the near storm environment during VORTEX2

Matthew D. Parker, North Carolina State Univ., Raleigh, NC; and A. J. French, C. E. Letkewicz, M. J. Morin, K. Rojowsky, D. Stark, and G. H. Bryan

Handout (373.1 kB)

P1.4

NRL COAMPS Real-Time Forecast during VOCALS-Regional Experiment

Shouping Wang, NRL, Monterey, CA; and Q. Jiang, L. W. O'Neill, X. Hong, H. Jin, W. T. Thompson, and X. Zheng

P1.5

A spatial and temporal distribution of convection over the Northeast U.S. during the warm season

John Murray, Stony Brook University, Stony Brook, NY; and B. A. Colle

P1.6

Sensitivities of storm divergence and stratiform rain production to microphysics and cumulus parameterizations

Larry J. Hopper Jr., Texas A&M University, College Station, TX; and C. Schumacher

P1.7

Possible stretching mechanisms producing the tornado vortex in the mid-level

Masahisa Nakazato, MRI, Tsukuba, Ibaraki, Japan; and O. Suzuki, K. Kusunoki, H. Yamauchi, and H. Y. Inoue

Handout (283.8 kB)

P1.8

Diurnal cycle of monsoon thunderstorms in Arizona and New Mexico from spaceborne and surface-based radar

Christina Wall, University of Utah, Salt Lake City, UT; and E. J. Zipser and C. Liu

P1.9

Mesoscale Convective Systems along the Mei-Yu Front Over South China Sea and Taiwan

Weixin Xu, Colorado State University, Fort Collins; and E. Zipser

P1.10

Structure of Subtropical Mesoscale Convective Vortex during SoWMEX/TiMREX

Hsiao-Wei Lai, National Taiwan University, Taipei, Taiwan; and C. A. Davis and B. J. D. Jou

Handout (293.2 kB)

P1.11

Numerical investigation of internal wave-vortex interactions

Tyler D. Blackhurst, Brigham Young University, Provo, UT; and J. C. Vanderhoff

Handout (183.7 kB)

P1.12

Simulations of internal gravity waves approaching a critical level

Brian Patrick Casaday, Brigham Young University, Provo, UT; and J. C. Vanderhoff

Handout (1.0 MB)

P1.13

A Case Study of a Large-Amplitude Inertia–Gravity Wave over the Southeast

James H. Ruppert Jr., Colorado State University, Fort Collins, CO; and L. F. Bosart

P1.14

An intercomparison of T-REX mountain wave simulations

James Doyle, NRL, Monterey, CA; and S. Gabersek, L. Bernardet, J. M. Brown, A. Doernbrack, E. Filaus, V. Grubisic, Q. Jiang, D. J. Kirshbaum, O. Knoth, S. Koch, I. Stiperski, S. Vosper, and S. Zhong

P1.15

Three-dimensional characteristics of stratospheric mountain waves during T-REX

James Doyle, NRL, Monterey, CA; and Q. Jiang, R. B. Smith, W. Cooper, V. Grubisic, and J. B. Jensen

P1.16

The Complex Bora Flow in the Lee of Southern Velebit

Ivana Stiperski, University of Innsbruck, Innsbruck, Austria; and B. Ivancan-Picek and V. Grubisic

P1.17

Beyond Long's solution: a Newton solver for nonlinear mountain waves with rotation

Kevin C. Viner, NRL, Monterey, CA; and C. C. Epifanio

P1.18

Whistler Mountain climatology: Temperature lapse rates in complex terrain

Lisa N. Erven, University of British Columbia, Vancouver, BC, Canada; and I. McKendry

P1.19

Influence of turbulence and dynamics on dust transport in Owens Valley

Qingfang Jiang, Marine Meteorology Division, Monterey, CA; and M. Liu and J. Doyle

P1.20

Statistics and dynamics of aircraft encounters of turbulence over Greenland

Todd P. Lane, University of Melbourne, Melbourne, Vic., Australia; and J. D. Doyle, R. D. Sharman, M. A. Shapiro, and C. D. Watson

P1.21

High resolution modeling of convective outflow in complex terrain

Andrew J. Newman, NCAR, Boulder, CO; and R. H. Johnson

P1.22

Interaction of a mountain lee wave with a basin cold pool

George Young, Penn State Univ., University Park, PA; and B. Gaudet, N. L. Seaman, and D. R. Stauffer

Handout (600.4 kB)

P1.23

Structure and evolution of numerically simulated misocyclones along a snowband over the Shonai region on 25 January 2008

Wataru Mashiko, MRI, Tsukuba, Japan; and S. Hayashi, K. Kusunoki, H. Y. Inoue, K. Bessho, S. Hoshino, M. Nakazato, and H. Yamauchi

Handout (2.0 MB)

P1.24

Snow-to-liquid ratio variability and prediction at a high-elevation site in Utah's Wasatch Mountains

Trevor I. Alcott, University of Utah, Salt Lake City, UT; and W. J. Steenburgh

P1.25

Climatology of Fronts and Associated Surface Baroclinic Zones in the Great Lakes Region

Neil F. Laird, Hobart and William Smith Colleges, Geneva, NY; and M. Payer, R. J. Maliawco Jr., and E. G. Hoffman

P1.26

A study of the effect of the Great Lakes on deep convective systems

Thomas E. Workoff, Systems Research Group, Inc. and NOAA/NCEP/WPC, College Park, MD; and D. A. R. Kristovich

P1.27

Summer midtropospheric perturbations over the U.S. northern plains: Climatology and NAM forecasts

Shih-Yu Wang, Utah State University, Logan, UT; and T. C. Chen

Coffee Break with Poster Viewing

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

4:00 PM-5:00 PM: Monday, 17 August 2009

Session 4

Mesoscale precipitation systems IV

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: David B. Mechem, University of Kansas

4:00 PM

4.1

Distant effects of recurving tropical cyclones on rainfall production in midlatitude convective systems

Russ S. Schumacher, NCAR, Boulder, CO, and Texas A&M University, College Station, TX; and T. J. Galarneau Jr. and L. F. Bosart

Recorded Presentation

4:15 PM

4.2

An analysis of the pre-storm environment of intense convective systems in West Africa

Stephen D. Nicholls, Rutgers University, New Brunswick, NJ; and K. I. Mohr

Recorded Presentation

4:30 PM

4.3

Numerical simulations of the evolution of long-lived episodes of organized convection in Africa

A. G. Laing, NCAR, Boulder, CO; and C. A. Davis

Recorded Presentation

4.4

Aerosol effects on dynamics and thermodynamics of deep convection in tropics

5:00 PM

4.4A

Mesoscale Radiatively-Induced Anvil Spreading

Steven K. Krueger, University of Utah, Salt Lake City, UT; and M. A. Zulauf

5:00 PM-6:00 PM: Monday, 17 August 2009

Session 5

Transferring research results to operations

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Russ S. Schumacher, NCAR

5:00 PM

5.1

Evaluation of WRF model forecasts of environmental parameters for severe-weather forecasting from the NOAA HWT Spring Experiments

Michael C. Coniglio, NOAA/NSSL, Norman, OK; and K. L. Elmore, J. S. Kain, S. J. Weiss, M. Xue, and M. L. Weisman

Recorded Presentation

5:15 PM

5.2

A Prototype future hurricane prediction system: Realtime cloud-resolving ensemble data assimilation and forecasting during the 2008 Atlantic season

Yonghui Weng, The Pennsylvania State University, University Park, PA; and F. Zhang, J. Gamache, and F. D. Marks Jr.

5:30 PM

5.3

Assessing the total mountain drag in the Met Office weather forecast model: how sensitive is it to horizontal resolution?

Stuart Webster, Met Office, Exeter, Devon, United Kingdom; and S. Vosper, A. Brown, and S. Smith

5:45 PM

5.4

Utilizing high-resolution WRF model output to improve NWS forecasts in complex terrain

Brett E. McDonald, NOAA/NWSFO, Riverton, WY

Tuesday, 18 August 2009

8:00 AM-10:00 AM: Tuesday, 18 August 2009

Session 6

Theoretical and modeling studies of mesoscale processes I

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Craig Epifanio, Texas A&M University

8:00 AM

6.1

Cooked boundaries: results from numerical experiments

Anthony E. Reinhart, Texas Tech University, Lubbock, TX; and A. L. Houston

Recorded Presentation

8:15 AM

6.2

An idealized comparison of one-way and two-way grid nesting

Lucas M. Harris, NOAA/OAR/GFDL, Princeton, NJ; and D. R. Durran

Recorded Presentation

8:30 AM

6.3

The life cycle of an undular bore and its interaction with a shallow, intense cold front

Daniel C. Hartung, University of Wisconsin, Madison, WI; and J. A. Otkin, J. E. Martin, and D. D. Turner

Recorded Presentation

8:45 AM

6.4

The numerical simulation of infrasound generated by convective storms

David A. Schecter, NorthWest Research Associates, Redmond, WA; and M. E. Nicholls

Recorded Presentation

9:00 AM

6.5

Horizontal scale selection associated with mesoscale gravity wave/convection coupling

Todd P. Lane, University of Melbourne, Melbourne, Vic., Australia; and F. Zhang

Recorded Presentation

9:15 AM

6.6

Gravity wave propagation through time-dependent shear

Julie C. Vanderhoff, Brigham Young University, Provo, UT

Recorded Presentation

Presentation PDF (457.0 kB)

9:30 AM

6.7

Predictability and dynamics of a squall line and bow echo event during BAMEX

Christopher Melhauser, Penn State Univ., University Park, PA; and F. Zhang, M. Weisman, and D. P. Jorgensen

Recorded Presentation

9:45 AM

6.8

Assessment of the vertical exchange of heat, moisture, and momentum above a wildland fire using observations and mesoscale simulations

Joseph J. Charney, USDA Forest Service, East Lansing, MI; and M. T. Kiefer and D. Keyser

Recorded Presentation

10:00 AM-10:30 AM: Tuesday, 18 August 2009

Coffee Break

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

10:30 AM-12:00 PM: Tuesday, 18 August 2009

Session 7

Theoretical and modeling studies of mesoscale processes II

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: H. Dawn Reeves, NOAA/NSSL

10:30 AM

7.1 has been moved. New paper number 4.4 A

10:45 AM

7.2

Aerosol indirect effects on cold pools and the feedbacks to subsequent convective development

Susan C. van den Heever, Colorado State University, Fort Collins, CO

Recorded Presentation

11:00 AM

7.3

Modeling aerosol impacts on convective storms in different environments

Rachel L. Storer, Colorado State Univ., Fort Collins, CO; and S. C. van den Heever and G. Stephens

Recorded Presentation

11:15 AM

7.4

The role of cumulus congestus in the tropical western Pacific

David B. Mechem, University of Kansas, Lawrence, KS; and A. J. Oberthaler

11:30 AM

7.5

A Coastally Trapped Wind Reversal Along the Gulf of Alaska

Emily L. Niebuhr, University of Wisconsin, Madison, WI; and M. Hitchman

Recorded Presentation

11:45 AM

7.6

A Framework for Understanding and Modeling Mesoscale Weather Systems Using the Ensemble of Multiple Parameterizations of Physical Processes at the Land Surface and in the Atmosphere

Zong-Liang Yang, University of Texas, Austin, TX; and G. Y. Niu and X. Jiang

Recorded Presentation

12:00 PM-1:15 PM: Tuesday, 18 August 2009

Lunch Break

Location: Wasatch (Sheraton Salt Lake City Hotel)

1:15 PM-1:45 PM: Tuesday, 18 August 2009

Session 8

Invited lecture

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

CoChair: Sandra E. Yuter, North Carolina State University

Lecturer: Roger M. Wakimoto, NCAR

Chair: Robert Fovell, Univ. of California

1:45 PM-3:30 PM: Tuesday, 18 August 2009

Session 9

Theoretical and modeling studies of mesoscale processes III

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: George H. Bryan, NCAR

1:45 PM

9.1

Observations and simulations of a long-lived tornadic mesocyclone that formed in a low-CAPE environment with PV banners spawned by the Colorado Front Range

Bart Geerts, Univ. of Wyoming, Laramie, WY; and T. Andretta, J. Vogt, Y. Wang, and S. Luberda

Recorded Presentation

2:00 PM

9.2

Importance of horizontally inhomogeneous environmental initial conditions to very short range thunderstorm forecasts

David J. Stensrud, NOAA/NSSL, Norman, OK; and J. Gao

Recorded Presentation

2:15 PM

9.3

Some Lessons on the Predictability of Convective Systems over a 36 h Timeframe

Morris L. Weisman, NCAR, Boulder, CO ; and K. Manning and D. Dowell

Recorded Presentation

2:30 PM

9.4

Aircraft measurements and numerical simulations of gravity waves in the extratropical UTLS region during the START08 field campaign

Fuqing Zhang, Pennsylvania State University, University Park, PA; and M. Zhang, K. P. Bowman, L. Pan, and E. Atlas

Recorded Presentation

2:45 PM

9.5

Observations of tropospheric, convectively generated gravity waves from atmospheric profiling platforms

Daniel R. Adriaansen, University of North Dakota, Grand Forks, ND; and M. J. Alexander and G. L. Mullendore

Recorded Presentation

Presentation PDF (1.1 MB)

3:00 PM

9.6

Generation of inertia-gravity waves from jets within vortex dipoles

Shuguang Wang, Columbia University, New York, NY; and F. Zhang

Recorded Presentation

3:15 PM

9.7

Mechanisms for spontaneous gravity-wave generation within a dipole vortex

Chris Snyder, NCAR, Boulder, CO; and R. Plougonven and D. J. Muraki

Recorded Presentation

3:30 PM-4:00 PM: Tuesday, 18 August 2009

Coffee Break

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

4:00 PM-6:00 PM: Tuesday, 18 August 2009

Session 10

Results from recent field research programs

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Bart Geerts, University of Wyoming

4:00 PM

10.1

Overview of SoWMEX/TiMREX

Wen-Chau Lee, NCAR, Boulder, CO; and B. J. D. Jou and C. R. Chen

Recorded Presentation

4:15 PM

10.2

Preliminary results from the SoWMEX/TiMREX sounding network

Richard H. Johnson, Colorado State University, Fort Collins, CO; and P. E. Ciesielski, Z. Finch, and A. J. Newman

Recorded Presentation

4:30 PM

10.3

What is the difference between orographic precipitation in the Europe Alps and Taiwan?

Katja Friedrich, University of Colorado - Boulder, Boulder, CO; and T. M. Weckwerth, W. C. Lee, U. Germann, and L. Panziera

Recorded Presentation

4:45 PM

10.4

A numerical study of the evolving convective boundary layer and orographic circulation around the Santa Catalina Mountains in Arizona. Part I: circulation without deep convection

Cory Demko, University of Wyoming, Laramie, WY; and B. Geerts and Q. Miao

Recorded Presentation

5:00 PM

10.5

A re-evaluation of the role of subsidence in valley and basin warming

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

Recorded Presentation

Presentation PDF (109.4 kB)

5:15 PM

10.6

Unexpectedly strong convection under an inversion-topped marine boundary layer

Sandra E. Yuter, North Carolina State University, Raleigh, NC; and D. B. Mechem, C. W. Fairall, and W. A. Brewer

Recorded Presentation

5:30 PM

10.7

Characteristics of tropical cyclogenesis predictability: Perspectives from T-PARC/TCS08

James Doyle, NRL, Monterey, CA; and C. M. Amerault, C. A. Reynolds, and H. Jin

Recorded Presentation

5:45 PM

10.8

HYMEX, an experimental program dedicated to the hydrological cycle in the Mediterranean

Philippe J. Drobinski, Institut Pierre Simon Laplace/Laboratoire de Météorologie Dynamique, Palaiseau, France; and V. Ducrocq and P. Lionello

Recorded Presentation

Presentation PDF (478.2 kB)

6:00 PM-7:30 PM: Tuesday, 18 August 2009

Gathering for HyMeX Meeting

Location: The Canyons (Sheraton Salt Lake City Hotel)

Wednesday, 19 August 2009

8:00 AM-10:00 AM: Wednesday, 19 August 2009

Session 11

Orographic, coastal and other thermally driven mesoscale circulation systems I

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: C. David Whiteman, University of Utah

8:00 AM

11.1

Urban land-use and pollution impacts on mesoscale circulations and convection over Houston

Gustavo Carrió, Colorado State University, Fort Collins, CO; and W. R. Cotton

Recorded Presentation

Presentation PDF (264.3 kB)

8:15 AM

11.2

Mesoscale analysis and WRF model verification of a low-level jet, bay breeze, and undular bore at the Howard University Beltsville Research Site

Kevin Vermeesch, SSAI, Greenbelt, MD; and M. Weldegaber, B. B. Demoz, and D. Venable

Recorded Presentation

Presentation PDF (909.4 kB)

8:30 AM

11.3

Large-eddy simulation of sea and lake breezes and sensitivity to forcing mechanisms

Erik T. Crosman, University of Utah, Salt Lake City, UT; and J. D. Horel

Recorded Presentation

8:45 AM

11.4

Warm-season MCS initiation and development influenced by land/lake thermodynamic contrasts near the Great Lakes

Alan F. Srock, University at Albany/SUNY, Albany, NY; and L. F. Bosart

Recorded Presentation

9:00 AM

11.5

Dynamics of Diurnal Variation of Stratus Clouds in Monterey Bay Area

Shouping Wang, NRL, Monterey, CA; and Y. Jin, Q. Jiang, and Q. Wang

Recorded Presentation

9:15 AM

11.6

A mesoscale model intercomparison of coastal refractivity

Tracy Haack, NRL, Monterey, CA; and C. Wang, S. Garrett, A. Glazer, and R. E. Marshall

Recorded Presentation

9:30 AM

11.7

Impact of the Andes Cordillera on a mid-latitude cold front

Bradford S. Barrett, U.S. Naval Academy, Annapolis, MD

Recorded Presentation

9:45 AM

11.8

Orographic effects on coastal cyclogenesis in New England

Thomas E. Robinson Jr., University of Massachusetts, Lowell, MA; and F. P. Colby Jr.

Presentation PDF (1.3 MB)

10:00 AM-10:30 AM: Wednesday, 19 August 2009

Coffee Break

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

10:30 AM-12:00 PM: Wednesday, 19 August 2009

Session 12

Orographic, coastal and other thermally driven mesoscale circulation systems II

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Scott A. Braun, NASA/GSFC

10:30 AM

12.1

Climatological and dynamical evolution of a warm-season coastal jet in the New York Bight region

Brian A. Colle, Stony Brook University / SUNY, Stony Brook, NY; and D. R. Novak

Recorded Presentation

10:45 AM

12.2

Characteristics and dynamic aspects of Chilean coastal jet

Qingfang Jiang, Marine Meteorology Division, Monterey, CA; and S. Wang and L. W. O'Neill

Recorded Presentation

11:00 AM

12.3

Multi-season observational study of precipitation structures along the Oregon Cascade windward slope

Justin A. Crouch, North Carolina State University, Raleigh, NC; and S. E. Yuter

Recorded Presentation

11:15 AM

12.4

The detection and significance of diurnal pressure and Potential Vorticity anomalies east of the Rockies

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

Recorded Presentation

11:30 AM

12.5

Isothermalcy in a basin atmosphere produced by nocturnal cold air intrusions

C. David Whiteman, University of Utah, Salt Lake City, UT; and S. W. Hoch and M. Lehner

Recorded Presentation

11:45 AM

12.6

Linear theory calculations for the sea breeze in a background wind: The equatorial case

Tingting Qian, Texas A&M Univ., College Station, TX; and C. C. Epifanio and F. Zhang

Recorded Presentation

12:00 PM-1:30 PM: Wednesday, 19 August 2009

Committee Luncheon

Location: Sundance (Sheraton Salt Lake City Hotel)

Lunch Break

Location: Wasatch (Sheraton Salt Lake City Hotel)

1:30 PM-2:30 PM: Wednesday, 19 August 2009

Session 13

Mountain waves and obstacle flows

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Michael Coniglio, NSSL

1:30 PM

13.1

Forecasts of persistent valley cold pools in the Bonneville Basin by a mesoscale model

H. Dawn Reeves, NOAA/NSSL, Norman, OK; and D. J. Stensrud

Recorded Presentation

1:45 PM

13.2

Observations and modeling of breaking waves in the lee of the Medicine Bow Mountains

Jeffrey R. French, University of Wyoming, Laramie, WY; and S. Haimov, V. Grubisic, M. Xiao, and L. D. Oolman

Recorded Presentation

2:00 PM

13.3

Trapped Lee Wave Interference in Presence of Surface Friction

Ivana Stiperski, Meteorological and Hydrological Service, Croatia, Zagreb, Croatia; and V. Grubisic

2:15 PM

13.4

Resonant wave-wave instability in rotating and nonhydrostatic mountain waves

Kevin C. Viner, NRL, Monterey, CA; and C. C. Epifanio and D. J. Muraki

Recorded Presentation

2:30 PM-4:00 PM: Wednesday, 19 August 2009

Poster Session 2

Poster session II

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

CoChair: Robert G. Fovell, Univ. of California

Chair: Sandra E. Yuter, North Carolina State University

P2.1

Simulations of environmental conditions conducive to formation of lake-to-lake bands

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

Handout (2.9 MB)

P2.2

Numerical simulation of impacts of the Great Lakes on cold frontal passages

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

Handout (2.6 MB)

P2.3

Mesoscale GEM-LAM modeling of atmospheric refractivity in coastal environments

Anna Glazer, EC, Dorval, QC, Canada; and T. Haack, J. Mailhot, and S. Gaudreault

P2.4

Assessment of Remote Automated Weather Station (RAWS) observations

Xia Dong, University of Utah, Salt Lake City, Utah; and J. D. Horel

P2.5

Sensitivity of surface temperature analyses to background and observation errors

Daniel Tyndall, University of Utah, Salt Lake City, UT; and J. Horel

P2.6

DART/WRF: A community mesoscale ensemble data assimilation facility

Jeffrey Anderson, NCAR, Boulder, CO; and N. Collins, J. Hacker, G. S. Romine, C. Snyder, H. Liu, T. J. Hoar, D. C. Dowell, and R. Torn

P2.7

Design of artificial rain system by means of sea water vapor equipment heated by sunlight

Hideyo Murakami, Tohwa University, Fukuoka-City, Japan

Handout (321.7 kB)

P2.8

Proposal for sunlight shield system to decrease cyclone power

Hideyo Murakami, APL, Fukuoka-City, Japan

Handout (353.3 kB)

P2.9

A numerical study of the evolving convective boundary layer and orographic circulation around the Santa Catalina Mountains in Arizona. Part II: Interaction with deep convection

Cory Demko, University of Wyoming, Laramie, WY; and B. Geerts

P2.10

Observations of spatially-variable lake-breeze movement in the vicinity of Chicago, IL

Jason M. Keeler, University of Illinois, Urbana, IL; and D. A. R. Kristovich

P2.11

The mesoscale kinetic energy spectrum of a baroclinic life cycle

Michael L. Waite, University of Victoria, Vic., BC, Canada; and C. Snyder

P2.12

The Influence of Terrain on Snowfall During Strong Southerly Flow in the Snake River Plain A Case Study: 1 January 2004

P2.13

Air mass characterization at the Whistler Mountain air chemistry site

John P. Gallagher, University of British Columbia, Vancouver, BC, Canada; and I. G. McKendry

P2.14

Characteristics and Numerical Simulations of Atmospheric boundary layer heights in the arid regions of Northwest China

Minjin Ma, University of Utah and Lanzhou University, Salt Lake City, UT; and Z. Pu, S. Wang, and Q. Zhang

P2.15

Preferential Storm Pathways and Mountain Precipitation over the Intermountain West

Matthew E. Jeglum, University of Utah, Salt Lake City, UT; and W. J. Steenburgh

P2.16

Idealized simulation of a Great Basin cyclone and attendant fronts

Gregory L. West, University of Utah, Salt Lake City, UT; and W. J. Steenburgh and J. B. Olson

P2.17

Climatology of Lake-Effect Precipitation Systems over the Great Salt Lake, UT and Lake Tahoe, CA/NV

Neil F. Laird, Hobart and William Smith Colleges, Geneva, NY; and B. Albright, S. Ganetis, J. Popp, and B. A. Stieneke

P2.18

WRF model simulations of tropical convection observed during the Tropical Warm Pool International Cloud Experiment (TWP-ICE)

Kathrin Wapler, German Weather Service; and T. P. Lane, P. T. May, C. Jakob, M. J. Manton, and S. T. Siems

P2.19

Mesoscale aspects of tropical cyclogenesis from extratropical precursors over the North Atlantic during 2004–2008

Thomas J. Galarneau Jr., NCAR, Boulder, CO; and L. Bosart, C. A. Davis, and R. McTaggart-Cowan

P2.20

Effect of cloud processes on hurricane tracks: Idealized simulations and operational forecasts

Robert G. Fovell, Univ. of California, Los Angeles, CA; and D. J. Boucher

Handout (454.0 kB)

P2.21

Dynamics and predictability of Hurricane Humberto (2007) revealed from ensemble analysis and forecasting

Jason Sippel, NASA/GSFC, Greenbelt, MD; and F. Zhang

P2.22

Idealized simulations of the impact of dry Saharan Air Layer air on Atlantic hurricanes

Scott Braun, NASA/GSFC, Greenbelt, MD; and J. Sippel and D. S. Nolan

Coffee Break with Poster Viewing

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

4:00 PM-6:00 PM: Wednesday, 19 August 2009

Session 14

Structure and evolution of tropical and extratropical cyclones I

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Brian A. Colle, Stony Brook University / SUNY

4:00 PM

14.1

Discrete Frontal Propagation over the Sierra/Cascade Mountains and Intermountain West

W. James Steenburgh, University of Utah, Salt Lake City, UT; and C. R. Neuman, G. L. West, and L. F. Bosart

Recorded Presentation

4:15 PM

14.2

The effects of small-scale turbulence on maximum hurricane intensity

George H. Bryan, NCAR, Boulder, CO; and R. Rotunno

Recorded Presentation

Presentation PDF (221.3 kB)

4:30 PM

14.3

Comparison of an analytical and a numerical model for hurricane potential intensity

George H. Bryan, NCAR, Boulder, CO; and R. Rotunno

Recorded Presentation

4:45 PM

14.4

Hurricane Helene (2006): A case of Saharan Air Layer influence?

Scott Braun, NASA/GSFC, Greenbelt, MD; and C. L. Shie, J. Sippel, and D. S. Nolan

Recorded Presentation

5:00 PM

14.5

Tropical Storm Debby: Genesis dynamics and the relevance of the Saharan air layer

Jason Sippel, NASA/GSFC, Greenbelt, MD; and S. Braun

Recorded Presentation

5:15 PM

14.6

The impact of Saharan Air Layer on tropical cyclone genesis and intensification

S.-H. Chen, Univ. of California, Davis, CA; and C. T. Cheng, S. H. Wang, and J. P. Chen

5:30 PM

14.7

Evolution of tangential and radial flows of Typhoon Nari (2001) at landfall

Ming-Jen Yang, National Central University, Chung-Li, Taiwan; and T. C. C. Wang and C. Y. Weng

Recorded Presentation

Presentation PDF (642.2 kB)

5:45 PM

14.8

Do Tropical Cyclones Intensify by WISHE?

Michael T. Montgomery, NPS, Monterey, CA; and R. K. Smith, S. V. Nguyen, and J. Persing

Thursday, 20 August 2009

8:00 AM-10:00 AM: Thursday, 20 August 2009

Session 15

Structure and evolution of tropical and extratropical cyclones II

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Jason Sippel, NASA/GSFC

8:00 AM

15.1

Sting jets and the diagnosis of conditional symmetric instability

Oscar Martínez-Alvarado, University of Reading, Reading, Berks., United Kingdom; and S. L. Gray

Recorded Presentation

8:15 AM

15.2

Life cycle and mesoscale frontal structure of an Intermountain cyclone

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

Recorded Presentation

8:30 AM

15.3

The Overland Reintensification of Hurricane Danny (1997)

Nick P. Bassill, University of SUNY, Salt Lake City, UT; and M. C. Morgan

Recorded Presentation

8:45 AM

15.4

Defining the Lifecycle of the Extratropical Transition of Tropical Cyclones using the Deviation Angle Variance Technique for Remotely-Sensed Imagery

David E. Kofron, Univ. of Arizona, Tucson, AZ; and M. F. Pineros, E. A. Ritchie, and J. S. Tyo

Recorded Presentation

Presentation PDF (1.7 MB)

9:00 AM

15.5

Adjoint-derived forecast sensitivity study of the extratropical transition of Floyd (1999)

Michael C. Morgan, Univ. of Wisconsin−Madison, Madison, WI

Recorded Presentation

9:15 AM

15.6

A numerical modeling study of the microphysical processes leading to tropical cyclogenesis under different environmental conditions

Andrew B. Penny, University of Arizona, Tucson, AZ; and E. A. Ritchie

Presentation PDF (1.4 MB)

9:30 AM

15.7

An analysis of tropical cyclone formations in the South China Sea during the late season

Yung-Lan Lin, National Taiwan University, Taipei, Taiwan; and C. S. Lee

Recorded Presentation

Presentation PDF (2.1 MB)

9:45 AM

15.8

Relating Convective Intensity Proxies to Tropical Cyclone Intensity Changes Using 10 Years of TRMM Data

Ellen Ramirez, University of Utah, Salt Lake City, UT; and H. Jiang

Recorded Presentation

10:00 AM-10:30 AM: Thursday, 20 August 2009

Coffee Break

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

10:30 AM-12:30 PM: Thursday, 20 August 2009

Session 16

Structure and evolution of tropical and extratropical cyclones III

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Jim Steenburgh, University of Utah

10:30 AM

16.1

Impact of lapse rates upon low-level rotation in idealized storms

Matthew D. Parker, North Carolina State Univ., Raleigh, NC

Recorded Presentation

Presentation PDF (148.9 kB)

10:45 AM

16.2

The development of surface signatures of mesoscale convective vortices

Christopher A. Davis, NCAR, Boulder, CO; and T. J. Galarneau Jr.

Recorded Presentation

11:00 AM

16.3

The development and intensification of multiple misocyclones in shallow cumulus convection over the warm ocean during winter cold outbreak

Tetsuya Takemi, Kyoto University, Uji, Kyoto, Japan; and H. Y. Inoue, K. Kusunoki, and K. Bessho

Recorded Presentation

Presentation PDF (585.0 kB)

11:15 AM

16.4

Microphysical-dynamical interactions in an idealized tropical cyclone simulation

Steve Herbener, Colorado State Univ., Ft. Collins, CO; and W. R. Cotton

Recorded Presentation

Presentation PDF (632.6 kB)

11:30 AM

16.5

Application of adjoint-derived sensitivity gradients to tropical cyclone intensification

Brett T. Hoover, University of Wisconsin, Madison, WI; and M. C. Morgan

Recorded Presentation

11:45 AM

16.6

Multi-scale vortex interaction during genesis of Hurricane Dolly (2008)

Juan Fang, Nanjing University, China, Nanjing, China; and F. Zhang

Recorded Presentation

12:00 PM

16.7

Top-down vs bottom-up genesis of tornadoes and tropical cyclones

William R. Cotton, Colorado State University, Fort Collins, CO

Recorded Presentation

Presentation PDF (156.5 kB)

12:15 PM

16.8

The genesis and maintenance of a strong tornadic vortex through the process of vorticity confinement

Gregory J. Tripoli, University of Wisconsin, Madison, WI; and M. L. Buker

12:30 PM-1:45 PM: Thursday, 20 August 2009

Lunch Break

Location: Wasatch (Sheraton Salt Lake City Hotel)

1:45 PM-3:15 PM: Thursday, 20 August 2009

Session 17

Mesoscale predictability and data assimilation I

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: S.-H. Chen, Univ. of California

1:45 PM

17.1

A statistical analysis on the predictability of tropical cyclogenesis

Dianna N. Nelson, Swiss Re, Armonk, NY; and M. C. Morgan

Recorded Presentation

2:00 PM

17.2

Assessing the impact of Airborne Doppler Lidar wind profiles on hurricane track and intensity forecasts

Lei Zhang, Univ. of Utah, Salt Lake City, UT; and Z. Pu and B. Gentry

2:15 PM

17.3

Error and uncertainty in ensemble predictions of tropical storms

Jeffrey Anderson, NCAR, Boulder, CO; and C. Snyder, H. Liu, and J. Hacker

Recorded Presentation

2:30 PM

17.4

Application of a WRF mesoscale ensemble data assimilation system to severe weather events during spring 2009

Dustan M. Wheatley, CIMMS/Univ. of Oklahoma, Norman, OK; and M. Coniglio and D. J. Stensrud

Recorded Presentation

2:45 PM

17.5

The impact of assimilating retrieved total precipitable water and sounding data from AIRS and MODIS on severe weather simulations

Yi-Chin Liu, University of California, Davis, CA; and S. H. Chen

Recorded Presentation

3:00 PM

17.6

Examination of the impact of variable terrains on surface data assimilation

Zhaoxia Pu, University of Utah, Salt Lake City, UT

3:15 PM-3:45 PM: Thursday, 20 August 2009

Coffee Break

Location: Arches/Deer Valley (Sheraton Salt Lake City Hotel)

3:45 PM-5:00 PM: Thursday, 20 August 2009

Session 18

Mesoscale predictability and data assimilation II

Location: The Canyons (Sheraton Salt Lake City Hotel)

Host: 13th Conference on Mesoscale Processes

Chair: Zhaoxia Pu, University of Utah

3:45 PM

18.1

Modeling extremely cold stable boundary layers over interior Alaska using a WRF FDDA system

Brian J. Gaudet, Penn State University, University Park, PA; and D. R. Stauffer, N. L. Seaman, A. Deng, J. E. Pleim, R. Gilliam, K. Schere, and R. A. Elleman

Recorded Presentation

Presentation PDF (1.7 MB)

4:00 PM

18.2

Impact of the variations of precipitation particle parameters within the same microphysics scheme in radar data assimilation using EnKF data assimilation technique

Nusrat Yussouf, CIMMS, Norman, OK; and D. J. Stensrud

Recorded Presentation

Presentation PDF (1.7 MB)

18.3

Error growth at the convective scale

4:30 PM

18.4