A41G:
Observations and Predictability of the Atmosphere over Complex Terrain II Posters


Session ID#: 8181

Session Description:
Mountainous terrain is complex given the variety of slope angles and orientations, surface types, valley widths and curvatures. Atmospheric circulations over this intricate geometry arise from synoptic and/or thermally-driven pressure gradients, resulting in inherently complex motions with a wide range of spatial and temporal scales. Although recent years have seen sustained efforts to improve the predictability of flows over complex terrain, several scientific questions remain unsolved.

This session focuses on microscale and mesoscale atmospheric phenomena taking place in the atmospheric boundary layer over mountainous terrain. We seek original contributions spanning from theoretical, observational and modeling studies that are related to mountain meteorology. Topics of interest emerging from synergetic fields are also welcomed, including data assimilation, wind energy, hydrology, air quality, fog formation, fire weather, and snow transport.

Primary Convener:  Eric Pardyjak, University of Utah, Mechanical Engineering, Salt Lake City, UT, United States
Conveners:  Daniel Nadeau, INRS - ETE, Quebec City, QC, Canada, Harindra Joseph Fernando, University of Notre Dame, Department of Aerospace and Mechanical Engineering, Notre Dame, United States and Joshua Hacker, Jupiter, Boulder, United States
Chairs:  Eric Pardyjak, University of Utah, Mechanical Engineering, Salt Lake City, UT, United States and Daniel Nadeau, Laval University, Civil and Water Engineering, Quebec City, QC, Canada
OSPA Liaison:  Daniel Nadeau, Laval University, Civil and Water Engineering, Quebec City, QC, Canada
Co-Sponsor(s):
  • AMS: American Meteorological Society -
Index Terms:

3307 Boundary layer processes [ATMOSPHERIC PROCESSES]
3322 Land/atmosphere interactions [ATMOSPHERIC PROCESSES]
3379 Turbulence [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Relative skill of forecasts of downslope windstorms in the Owens Valley, CA (62762)
Craig Smith, Desert Research Institute Reno, Reno, NV, United States
Sundowner Winds Contributing to Intensifying Dry Conditions in Santa Barbara, California (63711)
Sophia I Macarewich, University of California Santa Barbara, Santa Barbara, CA, United States, Leila V Carvalho, University of California Santa Barbara, Department of Geography, Santa Barbara, United States and Todd Hall, National Weather Service Los Angeles/Oxnard, Oxnard, CA, United States
Unraveling Tropical Mountain Hydroclimatology by Coupling Autonomous Sensor Observations and Climate Modeling: Llanganuco Valley, Cordillera Blanca, Peru. (64126)
Robert Ake Hellstrom, Bridgewater State University, Geography, Bridgewater, MA, United States, Alfonso Fernandez, Universidad de Concepción, Geography, Concepción, Chile; Ohio State University Main Campus, Columbus, OH, United States, Bryan G Mark, School of Earth Sciences, The Ohio State University, Columbus, OH, United States and Jason Michael Covert, University at Albany State University of New York, Atmospheric Sciences Research Center, Albany, United States
Analysis of the September 2010 Los Angeles Extreme Heating Event (65652)
Kristien C King1,2, Michael L Kaplan3, Craig Smith3 and Jeff Tilley4, (1)Organization Not Listed, Washington, DC, United States, (2)University of Nevada Reno, Atmospheric Sciences, Reno, NV, United States, (3)Desert Research Institute Reno, Reno, NV, United States, (4)University of Georgia, Athens, GA, United States
On the Dividing Streamline Concept for Stratified Flow Past Three-Dimensional Axisymmetric Topography: Theoretical Advancements and Unsolved Questions (67722)
Laura Sandra Leo1, Michael Y. Thompson1, Silvana Di Sabatino1,2, Harindra Joseph Fernando3, Qiang Zhong1, Hao Wang1,4 and Ashish Sharma5, (1)University of Notre Dame, Civil & Environmental Engineering & Earth Sciences, Notre Dame, IN, United States, (2)University of Bologna, Department of Physics and Astronomy, Bologna, Italy, (3)University of Notre Dame, Department of Aerospace and Mechanical Engineering, Notre Dame, United States, (4)Tsinghua University, State Key Laboratory of Hydroscience and Engineering, Beijing, China, (5)University of Notre Dame, Department of Civil Engineering, Environmental and Earth Sciences, Notre Dame, IN, United States
Boundary layer dynamics in a small shallow valley near the Alps (ScaleX campaign) (77423)
Matthias J Zeeman1, Bianca Adler2, Tirtha Banerjee1, Peter Brugger1, Frederik De Roo1, Stefan Emeis1, Matthias Mauder1, Klaus Schäfer1, Hans Peter E Schmid1 and Benjamin Wolf1, (1)Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-IFU), Garmisch-Partenkirchen, Germany, (2)Karlsruhe Institute of Technology (KIT), Institute of Meteorology and Climate Research (IMK-TRO), Eggenstein-Leopoldshafen, Germany
Evaluation of a Sub-Grid Topographic Drag Parameterizations for Modeling Surface Wind Speed During Storms Over Complex Terrain in the Northeast U.S. (71229)
Maria Eugenia Frediani, National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States, Joshua Hacker, Jupiter, Boulder, United States, Emmanouil N Anagnostou, University of Connecticut, Department of Civil and Environmental Engineering, Storrs Mansfield, United States and Thomas M Hopson, National Center for Atmospheric Research, Boulder, CO, United States
Mesoscale Icefield Breezes over Athbasca Glacier. (71566)
Jonathan P. Conway, University of Saskatchewan, Saskatoon, SK, Canada, Warren Helgason, University of Saskatchewan, Civil and Geological Engineering, Saskatoon, SK, Canada, John W Pomeroy, University of Saskatchewan, Centre for Hydrology, Saskatoon, SK, Canada and Jean Emmanuel Sicart, IRD/UJF-Grenoble/CNRS/G-INP, Grenoble, France
Exploring impacts of El Niño Southern Oscillation on Meteorological Forcing within the Glaciated Llanganuco Valley, Peru (73512)
Jason Michael Covert, University at Albany State University of New York, Atmospheric Sciences Research Center, Albany, United States and Robert Ake Hellstrom, Bridgewater State University, Geography, Bridgewater, MA, United States
Alignment of Surface-Atmosphere Exchange Sensors at Sloped Sites: An Integrated Strategy (74521)
Stefan Metzger1, Edward Ayres2, Robert Clement3, David Durden4, Thomas Foken5, Andrew S Kowalski6, Hongyan Luo4, J Harry McCaughey7, Natchaya Pingintha Durden8, Penelope Serrano-Ortiz9 and Jielun Sun10, (1)NEON, Battelle, Boulder, United States, (2)NEON Inc, Boulder, United States, (3)Quanterra Systems, Exeter, United Kingdom, (4)Battelle, National Ecological Observatory Network, Boulder, United States, (5)University of Bayreuth, Bayreuth, Germany, (6)University of Granada, Apllied Physics, Granada, Spain, (7)Queens Univ Kingston, Kingston, ON, Canada, (8)National Ecological Observatory Network, Boulder, CO, United States, (9)University of Granada, Ecology, Granada, Spain, (10)National Center for Atmospheric Research, Boulder, United States
Sensitivity of severe storm over a complex terrain to model resolution for Typhoon SONGDA in 2004 (77500)
Rui Ito, Kyoto University, Kyoto, Japan and Tetsuya Takemi, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan
Evaluation of a CFD-based Wind Model Optimized for ABL Flows: Comparisons with Observations from a Tall Isolated Mountain (78728)
Natalie S Wagenbrenner1, Jason Forthofer1 and Bret Butler2, (1)Rocky Mountain Research Station Missoula, Missoula, MT, United States, (2)Missoula Fire Sciences Laboratory, Missoula, MT, United States
An Investigation of Topography Modulated Low Level Moisture Convergence Patterns in the Southern Appalachians Using WRF (83492)
Yajuan Duan1, Anna Maria Wilson2 and Ana Paula Barros1, (1)Duke University, Civil and Environmental Engineering, Durham, NC, United States, (2)Scripps Institution of Oceanography, Center for Western Weather and Water Extremes (CW3E), La Jolla, United States
Payette River Basin Project: Improving Operational Forecasting in Complex Terrain through Chemistry (85955)
Melvin L Kunkel1, Derek Blestrud1, Shaun Parkinson1, Vincent Patrick Holbrook1, Shawn G Benner2 and James Fisher3, (1)Idaho Power Company, Boise, ID, United States, (2)Boise State University, Boise, ID, United States, (3)Tulare Irrigation District, Tulare, CA, United States

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