15th Conference on Middle Atmosphere (Expanded View)

* - Indicates paper has been withdrawn from meeting

Compact View of Conference

Monday, 8 June 2009
8:20 AM-10:00 AM, Monday, Pinnacle A
Session 1 Upper Troposphere/Lower Stratosphere I
Organizer: Linnea M. Avallone, University of Colorado, Boulder, CO
Chair: Linnea M. Avallone, University of Colorado, Boulder, CO
8:20 AM1.1Linking transport processes and UT/LS budgets with Laminar identification (LID): Insights from tropical and mid-Latitude field campaigns   wrf recording
Anne M. Thompson, Penn State Univ., University Park, PA; and A. Luzik, S. Lee, S. J. Oltmans, H. Voemel, and J. C. Witte
8:40 AM1.2Quasi-Stationary Temperature Structure in the Upper Troposphere over the Tropical Indian Ocean   wrf recording
Noriyuki Nishi, Kyoto University, Kyoto, Japan; and E. Nishimoto, H. Hayashi, M. Shiotani, H. Takashima, and T. Tsuda
9:00 AM1.3Observations of variability in the polar upper troposphere and stratosphere using GPS radio occultation data   wrf recording
Kevin M. Grise, Colorado State University, Fort Collins, CO; and D. W. J. Thompson
9:20 AM1.4The 2008 Stratosphere-Troposphere Analyses of Regional Transport (START08) experiment  
Elliot Atlas, University of Miami, Miami, FL; and L. Pan and K. P. Bowman
9:40 AM1.5MLS/START08 comparisons and large-scale context for START08 from MLS and ACE-FTS satellite data  
G.L. Manney, JPL, Pasadena, CA; and M. I. Hegglin, W. Daffer, R. Fuller, E. Atlas, K. P. Bowman, L. Pan, S. C. Wofsy, J. Ballard, R. S. Gao, A. Weinheimer, T. Campos, D. Hurst, N. Livesey, M. L. Santee, and K. A. Walker
 
10:00 AM-10:20 AM, Monday, Stowe Room
Coffee Break
 
10:20 AM-12:20 PM, Monday, Pinnacle A
Session 2 Upper Troposphere/Lower Stratosphere II
Organizer: Linnea M. Avallone, University of Colorado, Boulder, CO
Chair: Ellis Remsberg, NASA Langley Research Center, Hampton, VA
10:20 AM2.1Simulation of the atmospheric tape recorder signal in HCN   wrf recording
Robert Walter, Forschungszentrum Jülich, Juelich, Germany; and R. Müller, P. Konopka, G. Günther, J. Grooß, A. Heil, M. Schultz, M. Riese, and H. C. Pumphrey
10:40 AM2.2Potential vorticity as a barrier to exchange between the upper troposphere and lowermost stratosphere  
John C. Gille, University of Colorado and NCAR, Boulder, CO; and S. Karol, V. Yudin, D. Kinnison, and B. Nardi
11:00 AM2.3Clouds and water vapor at the tropical tropopause  
Leonhard Pfister, NASA/Ames Research Center, Moffett Field, CA; and E. J. Jensen
11:20 AM2.4Seasonal to long-term variations of water vapor in the tropical lower stratosphere observed with balloon-borne hygrometers   wrf recording
Masatomo Fujiwara, Hokkaido University, Sapporo, Hokkaido, Japan; and F. Hasebe, M. Shiotani, H. Vömel, S. -. Y. Ogino, S. Iwasaki, N. Nishi, T. Shibata, K. Shimizu, J. Valverde-Canossa, H. B. Selkirk, and S. J. Oltmans
11:40 AM2.5Hirdls and Calipso observations of tropical cirrus  
Steve Massie, NCAR, Boulder, CO; and J. Gille, C. Craig, R. Khosravi, J. Barnett, and D. M. Winker
12:00 PM2.6Observations of trace gases during CARIBIC flights   wrf recording
Angela K. Baker, Max Planck Institute for Chemistry, Mainz, Germany; and C. A. M. Brenninkmeijer, D. E. Oram, D. A. O'Sullivan, T. J. Schuck, and F. Slemr
 
12:20 PM-1:50 PM, Monday
Lunch Break
 
1:50 PM-3:30 PM, Monday, Pinnacle A
Session 3 Satellite Observations of the Middle Atmosphere I
Organizer: Linnea M. Avallone, University of Colorado, Boulder, CO
Chair: Jessica L. Neu, University of California, IRvine, Irvine, CA
1:50 PM3.1The total hydrogen budget of the equatorial upper stratosphere  extended abstract wrf recording
Jonathan E. Wrotny, Naval Research Laboratory, Washington D.C.; and G. E. Nedoluha, C. Boone, G. Stiller, and J. P. McCormack
2:10 PM3.2The effect of the solar cycle on water vapor in the mesosphere over Mauna Loa from 1992-2009   wrf recording
G. E. Nedoluha, NRL, Washington, DC; and R. M. Gomez, B. C. Hicks, J. E. Wrotny, C. Boone, and A. Lambert
2:30 PM3.3Constraining the ClO / ClOOCl equilibrium constant from Aura MLS measurements of nighttime ClO  
Michelle L. Santee, JPL, Pasadena, CA; and L. Froidevaux, S. P. Sander, N. J. Livesey, and G. L. Manney
2:50 PM3.4Momentum budget of the migrating diurnal tide   wrf recording
Ruth S. Lieberman, Northwest Research Associates, Colorado Research Associates Division, Boulder, CO; and D. Riggin, D. A. Ortland, and Q. Wu
3:10 PM3.5Observations of Polar Mesospheric Clouds Compared with MLS Temperatures and Water Vapor Measurements   wrf recording
Eric P. Shettle, NRL, Washington, DC; and G. E. Nedoluha, M. T. DeLand, G. E. Thomas, and J. J. Olivero
 
3:30 PM-3:50 PM, Monday, Stowe Room
Coffee Break
 
3:50 PM-4:30 PM, Monday, Pinnacle A
Session 4 Satellite Observations of the Middle Atmosphere II
Organizer: Linnea M. Avallone, University of Colorado, Boulder, CO
Chair: Jessica L. Neu, University of California, IRvine, Irvine, CA
3:50 PM4.1Assessment of the interannual variability of lower stratospheric monthly averages of O3 and N2O using observations from Odin/SMR  
Farahnaz Khosrawi, Stockholm University, Stockholm, Sweden; and R. Müller, M. H. Proffitt, J. Urban, and D. Murtagh
4:10 PM4.2Ground-to-MLT Data Assimilation and Prediction using a Prototype High-Altitude Global NWP System   wrf recording
Stephen Eckermann, NRL, Washington, DC; and K. W. Hoppel, L. Coy, J. P. McCormack, D. E. Siskind, K. Nielsen, A. J. Kochenash, M. H. Stevens, C. R. Englert, W. Singer, and M. Hervig
 
4:30 PM-6:00 PM, Monday, Stowe Room
Joint Poster Session 1 Theory (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
Chair: Steven B. Feldstein, The Pennsylvania State University, University Park, PA
 JP1.1Persistent multiple jets and the PV staircase  
Changhyun Yoo, The Pennsylvania State University, University Park, PA; and S. Lee
JP1.2Subgrid-scale parametrization using cluster-weighted modeling  
Frank Kwasniok, University of Exeter, Exeter, United Kingdom
 JP1.3Nonlinear stratified spindown over a sloping bottom  
Jessica A. Benthuysen, WHOI, Woods Hole, MA; and L. N. Thomas
 JP1.4Single-layer axisymmetric model for a Hadley circulation with parameterized eddy momentum forcing  
Adam H. Sobel, Columbia University, New York, NY; and T. Schneider
 JP1.5Dynamics of the tropopause  
Pablo Zurita-Gotor, Universidad Complutense de Madrid, Madrid, Spain; and G. K. Vallis
 JP1.6Equatorial Mountain Torques and Large-Scale Mountain Flow Dynamics  
Francois Lott, CNRS, Paris, France; and S. Mailler
 JP1.7A filtered model of tropical wave motions  
Levi G. Silvers, Colorado State University, Fort Collins, CO; and W. H. Schubert, M. T. Masarik, and A. O. Gonzalez
 JP1.8Parameterization of baroclinic eddies in a channel model  
Gavin Esler, University College London, London, United Kingdom
 JP1.9The rotating Green-Naghdi shallow water model: a simple framework for the investigation of mesoscale atmospheric and oceanic flows  
Joseph Daniel Pearce, University College, London, London, United Kingdom; and J. G. Esler
 JP1.10The role of non-quasigeostrophic forcing in the Southern Hemisphere blocking onsets  
Li Dong, WindLogics Inc., Grand Rapids, MN; and S. J. Colucci
 JP1.11Barotropic Instability in the Caribbean and the Tropical East Pacific  
Saska Gjorgjievska, New Mexico Tech, Socorro, NM; and D. Raymond
 JP1.12A theoretical framework for energy and momentum consistency in subgrid-scale parameterization for climate models  
Tiffany A. Shaw, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd
 JP1.13Balances on the planetary scale in the atmosphere  
Stamen Dolaptchiev, Institut fuer Atmosphaere und Umwelt , Goethe-Universitaet Frankfurt, 60438 Frankfurt am Main, Germany
 JP1.14Baroclinic eddy equilibration under specified seasonal forcing  
Yang Zhang, MIT, Cambridge, MA; and P. H. Stone
 JP1.15Moist convection and the thermal stratification of the extratropical troposphere  
Tapio Schneider, Caltech, Pasadena, CA; and P. A. O'Gorman
 JP1.16 moved, new paper number J3.6  
 JP1.17Response of the Hadley Circulation to Climate Change in an Aquaplanet GCM Coupled to Ocean Heat Transport  
Xavier J. Levine, Caltech, Pasadena, CA; and T. Schneider
 JP1.18Moist baroclinic eddies as features of the dry and moist isentropic circulations in a warming climate  
Frederic Laliberte, New York University, New York City, NY; and O. Pauluis
 JP1.19Generation mechanisms and scales of eddies on Jupiter  
Junjun Liu, Caltech, Pasadena, CA; and T. Schneider
 JP1.20Understanding Tornadoes and Microbursts  extended abstract
Essam A. Farag, SNC-Lavalin Inc., Montreal, QC, Canada
 
4:30 PM-6:00 PM, Monday, Stowe Room
Joint Poster Session 2 Observations (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
Organizer: George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
 JP2.1The Dynamics of the Pacific-North American Teleconnection Pattern  
Christian Franzke, British Antarctic Survey, Cambridge, United Kingdom; and S. B. Feldstein and S. Lee
 JP2.2Dynamical feedbacks and the persistence of the NAO  extended abstract
Elizabeth A. Barnes, Seattle, WA; and D. L. Hartmann
 JP2.3The link between Rossby Wave Breaking and Cut off Low Pressure Systems in the Southern Hemisphere Upper Troposphere  
Thando Ndarana, Johns Hopkins University, Baltimore, Maryland; and D. Waugh
 JP2.4The dynamics of transverse cirrus bands: inferences from observations  
John A. Knox, Univ. of Georgia, Athens, GA; and A. S. Bachmeier, K. M. Bedka, M. Carter, J. E. Tarantino, L. C. Paulik, E. N. Wilson, G. S. Bechdol, and M. J. Mays
 JP2.5 moved. New paper number 7.2A  
 JP2.5AThe role of tropical waves in the dynamics of the mesosphere  
David A. Ortland, NorthWest Research Associates, Bellevue, WA; and R. S. Lieberman, D. Riggin, and M. J. Alexander
 JP2.6Engineering an Effective and Economic Measurement of Atmospheric Stability  extended abstract
Richie Cotton, Renewable Energy Systems, Kings Langley, Hertfordshire, United Kingdom
 
Tuesday, 9 June 2009
8:00 AM-10:00 AM, Tuesday, Pinnacle BC
Joint Session 1 Coupled Troposphere-Stratosphere: Dynamics (Joint between the 15th Conference on Middle Atmosphere and the 17th Conference on Atmospheric and Oceanic Fluid Dynamics)
Organizers: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
Chair: Peter Haynes, University of Cambridge, Cambridge United Kingdom
8:00 AMJ1.1Characteristics of baroclinic wave packets over the North Atlantic during strong and weak polar vortex events  
Ian N. Williams, University of Chicago, Chicago, IL; and S. J. Colucci
8:20 AMJ1.2Troposphere-stratosphere communication through local vertical waveguides   wrf recording
Terry Nathan, Univ. of California, Davis, CA; and D. Hodyss
8:40 AMJ1.3Stratospheric influences on tropospheric weather systems   wrf recording
Stephen J. Colucci, Cornell University, Ithaca, NY
9:00 AMJ1.4Stratospheric influence on tropospheric circulation through altered tropospheric eddy phase speeds   wrf recording
Isaac M. Held, NOAA/GFDL, Princeton, NJ; and G. Chen
9:20 AMJ1.5The role of eddies in driving the tropospheric response to stratospheric heating perturbations   wrf recording
Isla R. Simpson, Imperial College London, London, United Kingdom; and M. Blackburn, J. D. Haigh, and S. Sparrow
9:40 AMJ1.6Stratosphere-Troposphere Dynamical Coupling and Tropospheric Predictability   wrf recording
Clara Orbe, Columbia University, New York, NY; and E. P. Gerber and L. M. Polvani
 
10:00 AM-10:20 AM, Tuesday, Stowe Room
Coffee Break
 
10:20 AM-12:20 PM, Tuesday, Pinnacle BC
Joint Session 2 Coupled Troposphere-Stratosphere: Dynamics and Annular Modes (Joint between the 15th Conference on Middle Atmosphere and the 17th Conference on Atmospheric and Oceanic Fluid Dynamics)
Organizers: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
Chair: Matthew H. Hitchman, University of Wisconsin Madison, Madison, WI
10:20 AMJ2.1Advantages of a conservative coordinate system   wrf recording
Abraham Solomon, University of Chicago, Chicago, IL; and N. Nakamura
10:40 AMJ2.2Relationship among SSW, VI, PJO and AO in an idealized stratosphere-troposphere coupled model   wrf recording
Shigeo Yoden, Kyoto Univ., Kyoto, Japan; and M. Kohma and S. Nishizawa
11:00 AMJ2.3A simplified annular mode index based on zonal-mean data   wrf recording
Mark P. Baldwin, Northwest Research Associates, Redmond, WA; and D. W. J. Thompson
11:20 AMJ2.4Annular mode time scales and climate sensitivity in the Intergovernmental Panel on Climate Change Fourth Assessment Report models   wrf recording
Edwin P. Gerber, Courant Institute of Mathematical Sciences, NYU, New York, NY; and L. M. Polvani and D. Ancukiewicz
11:40 AMJ2.5Use of the fluctuation-dissipation theorem to predict tropospheric climate response   wrf recording
Fenwick C. Cooper, University of Cambridge, Cambridge, United Kingdom; and P. H. Haynes
12:00 PMJ2.6On the sensitivities of the stratosphere / troposphere coupling to changes in the lower stratospheric winds   wrf recording
Cegeon J. Chan, MIT, Cambridge, MA; and R. A. Plumb
 
12:20 PM-1:50 PM, Tuesday
Lunch Break
 
1:50 PM-3:30 PM, Tuesday, Pinnacle BC
Joint Session 3 Coupled Troposphere-Stratosphere: Upper Troposphere/Lower Stratosphere (Joint between the 15th Conference on Middle Atmosphere and the 17th Conference on Atmospheric and Oceanic Fluid Dynamics)
Organizers: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
Chair: Edwin P. Gerber, Courant Institute of Mathematical Sciences, NYU, New York, NY
1:50 PMJ3.1Tropical cyclones and the Quasi-biennial Oscillation   wrf recording
Suzana J. Camargo, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY; and A. H. Sobel
2:10 PMJ3.2Effect of Tropical Waves on the Tropical Tropopause-Transition-Layer Upwelling  
Jung-Hee Ryu, The Pennsylvania State University, University Park, PA; and S. Lee
2:30 PMJ3.3Trends and variability in the upper troposphere/lower stratosphere 1990-2008: Insights from stratospheric water vapour   wrf recording
Peter H. Haynes, Univ. of Cambridge, Cambridge, United Kingdom; and S. Fueglistaler, Y. Liu, W. G. Read, G. Stiller, and A. J. Simmons
 JP3.4 Withdrawn  
2:50 PMJ3.5Influence of stratospheric sudden warming and vortex intensification on the tropical troposphere   wrf recording
Yuhji Kuroda, MRI, Tsukuba, Ibaraki, Japan
3:10 PMJ3.6The location and downstream intensification of storm tracks in an idealized moist GCM   wrf recording
Yohai Kaspi, Caltech, Pasadena, CA; and T. Schneider
 
3:30 PM-3:50 PM, Tuesday, Stowe Room
Coffee Break
 
3:50 PM-4:30 PM, Tuesday, Pinnacle BC
Joint Session 4 Internal Gravity Waves (Joint between the 15th Conference on Middle Atmosphere and the 17th Conference on Atmospheric and Oceanic Fluid Dynamics)
Organizer: M. Joan Alexander, NorthWest Research Associates, Boulder, CO
Chair: M. Joan Alexander, NorthWest Research Associates, Boulder, CO
3:50 PMJ4.1Parameterization of internal wave breaking due to near-inertial shear  extended abstract wrf recording
Julie C. Vanderhoff, Brigham Young University, Provo, UT
4:10 PMJ4.2Generation of Inertia-Gravity Waves from Jets within vortex dipoles   wrf recording
Shuguang Wang, Columbia University, New York, NY; and F. Zhang
 
4:30 PM-6:00 PM, Tuesday, Stowe Room
Joint Poster Session 3 Coupled Troposphere-Stratosphere (Joint between the 15th Conference on Middle Atmosphere and the 17th Conference on Atmospheric and Oceanic Fluid Dynamics)
Organizers: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
 JP3.1Northern Hemisphere Extratropical Tropopause in Radiosonde Data  
Seok-woo Son, McGill University, Montreal, QC, Canada; and L. M. Polvani and J. Eckstein
 J3.4Effect of stratospheric circulation on the extratropical tropopause inversion layer in a simple GCM  
Seok-woo Son, McGill University, Montreal, QC, Canada; and E. P. Gerber and L. M. Polvani
 JP3.2Influence of stationary wave field on stratosphere-troposphere coupling response to Siberian surface cooling  
Karen L. Smith, University of Toronto, Toronto, ON, Canada; and P. J. Kushner
 JP3.3Modeling the coupled stratosphere-troposphere stationary wave response to climate change  
Lei Wang, University of Toronto, Canada, Toronto, ON, Canada; and P. J. Kushner
 JP3.4Intra-annual relationships between polar ozone and the Southern Hemisphere Annular Mode  
Ryan L. Fogt, Ohio University, Athens, OH; and J. Perlwitz, S. Pawson, and M. A. Olsen
 JP3.5Investigating the predictability of Stratospheric Sudden Warmings in the Northern Hemisphere  
Sana Mahmood, UK Met Office, Exeter, Devon, United Kingdom
 JP3.6The downward influence of stratospheric final warming events in an idealized model  
Lantao Sun, Univ. of Illinois, Urbana, IL; and W. A. Robinson
 
4:30 PM-6:00 PM, Tuesday, Stowe Room
Joint Poster Session 4 Upper Troposphere/Lower Stratosphere and Middle Atmosphere (Joint between the 15th Conference on Middle Atmosphere and the 17th Conference on Atmospheric and Oceanic Fluid Dynamics)
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
JP4.1Mechanisms for Enhanced Gravity Wave Activity during Stratospheric Sudden Warmings  
Ling Wang, NorthWest Research Associates Inc., Boulder, CO; and M. J. Alexander
 JP4.2Observed solar-cycle responses and trends in mesospheric water vapor  
Ellis Remsberg, NASA Langley Research Center, Hampton, VA
 JP4.3The lifetime and longitudinal variation of the Kelvin waves around the tropopause and the upper troposphere in the tropic  
Junko Suzuki, Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan; and M. Shiotani, N. Nishi, R. Shirooka, and M. Yoshizaki
 JP4.4Analysis of Ultra-fast Kelvin Waves Simulated by Kyushu University GCM  extended abstract
Ying-Wen Chen, Kyushu University, Fukuoka, Japan; and S. Miyahara
 JP4.5Diurnal wind variations observed by an MF radar at Syowa Antarctic Station  
Yoshihiro Tomikawa, National Institute of Polar Research, Tokyo, Japan; and M. Tsutsumi
 JP4.6Current status of superconducting submillimeter-wave limb-emission sounder (SMILES)  
Masato Shiotani, Kyoto University, Uji, Kyoto, Japan; and M. Takayanagi
 JP4.7Higher order approximation of ray theory applied to orographic gravity waves  
Manuel Pulido, Universidad Nacional del Nordeste, Corrientes, Argentina; and C. Rodas
 JP4.8Studies of stratopause structure, evolution and transport from satellite data and new assimilation products  
G.L. Manney, JPL, Pasadena, CA; and K. Krueger, M. J. Schwartz, S. Pawson, N. McKee, M. Sienkiewicz, W. Daffer, K. W. Hoppel, N. Livesey, S. Polavarapu, M. G. Mlynczak, E. Remsberg, and J. M. Russell
 JP4.9Tropical upper-tropospheric ozone variability as observed by the Aura Microwave Limb Sounder  
Nathaniel J. Livesey, JPL, Pasadena, CA; and L. Froidevaux, M. Santee, D. Wu, J. Jiang, H. Su, W. Read, A. Lambert, and R. Doherty
 JP4.10Estimating gravity wave parameters with a genetic algorithm for realistic gravity wave drag profiles  
Manuel Pulido, University of Toronto, Toronto, ON, Canada; and S. Polavarapu, T. G. Shepherd, and J. Thuburn
 JP4.11Solar proton events and their effects on the middle atmosphere as observed by Aura-MLS and ACE-FTS  
David Herceg, New Mexico Tech, Socorro, NM; and G. L. Manney, K. Minschwaner, and M. L. Santee
 JP4.12Multiscale tropical convection: understanding the relationship between convective momentum transport and gravity wave momentum flux  
Todd P. Lane, The University of Melbourne, Melbourne, VIC, Australia; and M. W. Moncrieff
 JP4.13Hydroxyl in the middle atmosphere: relationship to ozone, water vapor, and solar radiation changes  
K. Minschwaner, New Mexico Tech, Socorro, NM
 
4:30 PM-6:00 PM, Tuesday, Stowe Room
Joint Poster Session 5 Interactions between Tropical Convection and the Large Scale Circulation (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
Organizer: George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
 JP5.1Diabatic heating, divergent circulation and moisture transport in the African Monsoon System  
Samson M. Hagos, Univ. of Miami/RSMAS, Miami, FL; and C. Zhang
 JP5.2Relative role of convection and large-scale flow in controlling upper tropospheric humidity  
Ju-Mee Ryoo, Baltimore, MD; and D. W. Waugh and T. Igusa
 JP5.3The continuum of North Pacific sea level pressure patterns: Intraseasonal, interannual, and interdecadal variability  
Nat Johnson, Penn State Univ., University Park, PA; and S. B. Feldstein
 JP 5.4 has been moved. New paper number 6.2A  
 JP5.5Idealized Walker circulations over a wide range of climates  
Timothy M. Merlis, California Institute of Technology, Pasadena, CA; and T. Schneider
 JP5.6Forcing of Convectively Coupled Kelvin Waves by Extratropical Wave Activity  
George Kiladis, NOAA Earth System Research Laboratory, Boulder, CO
 
Wednesday, 10 June 2009
8:00 AM-10:00 AM, Wednesday, Pinnacle A
Session 5 Internal Gravity Waves: Observations
Organizers: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; M. Joan Alexander, NorthWest Research Associates, Boulder, CO
Chair: Charles McLandress, University of Toronto, Toronto, ON Canada
8:00 AM5.1Quantifying gravity waves and turbulence in the stratosphere using satellite measurements of stellar scintillation   wrf recording
Viktoria Sofieva, Finnish Meteorological Institute, Helsinki, Finland; and A. S. Gurvich and F. Dalaudier
8:20 AM5.2Aircraft measurements and numerical simulations of gravity waves in the extratropical UTLS region during the START08 field campaign  
Fuqing Zhang, The Pennsylvania State University, University Park, PA; and M. Zhang, K. P. Bowman, L. Pan, and E. Atlas
8:40 AM5.3South Georgia Island Wave Patterns Observed in the Stratosphere via Satellite   wrf recording
M. Joan Alexander, NorthWest Research Associates, Boulder, CO; and S. Eckermann, D. Broutman, and J. Ma
9:00 AM5.4The High-Altitude Southern-Scandinavian Mountain Wave of 14 January 2003  
Stephen Eckermann, NRL, Washington, DC; and J. Ma, D. Broutman, D. L. Wu, M. J. Alexander, L. Coy, J. Doyle, T. F. Hogan, B. N. Lawrence, and A. Stephens
9:20 AM5.5Gravity wave responses throughout the lower and middle atmosphere to airflow over the southern Andes and the Antarctic peninsula: A natural laboratory for assessing responses to complex terrain, coupling to higher altitudes, and evaluation of OGWD parameterizations  
David C. Fritts, NorthWest Research Associates, Inc., Colorado Research Associates Division, Boulder, CO; and R. B. Smith, J. Doyle, and S. Eckermann
9:40 AM5.6Energy flux diagnosis of secondary mountain wave generation   wrf recording
Bryan Woods, Yale University, New Haven, CT; and R. B. Smith and J. D. Doyle
 
10:00 AM-10:20 AM, Wednesday, Stowe Room
Coffee Break
 
10:20 AM-12:20 PM, Wednesday, Pinnacle A
Session 6 Internal Gravity Waves: Generation and Parameterization
Organizers: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; M. Joan Alexander, NorthWest Research Associates, Boulder, CO
Chair: Stephen Eckermann, NRL, Washington, DC
10:20 AM6.1Weakly nonlinear internal waves in the middle atmosphere  
Hayley V. Dosser, Univ. of Alberta, Edmonton, AB, Canada; and B. R. Sutherland
10:40 AM6.2Gravity Waves Produced by Potential Vorticity Anomalies   wrf recording
Francois Lott, CNRS, Paris, France; and R. Plougonven and J. Vanneste
11:00 AM6.3The impact of conservation of momentum in gravity wave drag parameterization on planetary wave structure and variability   wrf recording
Tiffany A. Shaw, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd
11:20 AM6.4Gravity wave generation and propagation in the middle atmosphere revealed by a high-resolution GCM   wrf recording
Kaoru Sato, The University of Tokyo, Tokyo, Japan; and S. Watanabe, Y. Kawatani, Y. Tomikawa, K. Miyazaki, S. Tateno, and M. Takahashi
11:40 AM6.5The roles of 3-dimensional propagating gravity waves and equatorial trapped gravity waves on driving the Quasi Biennial Oscillation: A study of high resolution atmospheric general circulation model   wrf recording
Yoshio Kawatani, Frontier Research Center for Global Change, Yokohama, Japan; and K. Sato, T. J. Dunkerton, S. Watanabe, S. Miyahara, and M. Takahashi
12:00 PM6.6Towards a physically based gravity wave source parameterization in a general circulation model   wrf recording
Jadwiga H. Richter, NCAR, Boulder, CO; and F. Sassi and R. R. Garcia
 
12:20 PM-1:50 PM, Wednesday
Lunch Break
 
1:50 PM-3:30 PM, Wednesday, Pinnacle A
Session 7 Middle Atmosphere Dynamics I
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Tiffany A. Shaw, University of Toronto, Toronto, ON Canada
1:50 PM7.1To long-term Variability of the Mesosphere over Europe  
Dieter H. W. Peters, University of Rostock, Kühlungsborn, Mecklenburg, Germany; and A. Gabriel, G. Entzian, and J. Bremer
 7.2 moved. New paper number JP2.5A  
2:10 PM7.2AHow strong are the Southern Hemisphere storm tracks?   wrf recording
Yanjuan Guo, Stony Brook University, SUNY, Stony Brook, NY; and X. Xia and E. K. M. Chang
2:30 PM7.3Mesospheric tides and waves in the NOGAPS-ALPHA high-altitude data assimilation system   wrf recording
Lawrence Coy, Naval Research Laboratory, Washington, DC; and J. P. McCormack, D. E. Siskind, S. D. Eckerman, and K. W. Hoppel
2:50 PM7.4The Arctic polar stratosphere and mesosphere during IPY   wrf recording
V. Lynn Harvey, Univerisity of Colorado, Boulder, CO; and R. Collins, D. E. Atkinson, B. Thurairajah, and D. Wheeler
3:10 PM7.5Influence of the stratospheric potential vorticity distribution on the Brewer-Dobson circulation   wrf recording
Richard K. Scott, University of St Andrews, St Andrews, Scotland
 
3:30 PM-3:50 PM, Wednesday, Stowe Room
Coffee Break
 
3:50 PM-4:30 PM, Wednesday, Pinnacle A
Session 8 Middle Atmosphere Dynamics II
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Tiffany A. Shaw, University of Toronto, Toronto, ON Canada
3:50 PM8.1Newtonian cooling in the middle atmosphere: Where does it work and where does it fail?   wrf recording
Peter Hitchcock, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd and S. Yoden
4:10 PM8.2Influence of the QBO on the winter stratosphere as internal atmospheric variability   wrf recording
James A. Anstey, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd and J. F. Scinocca
 
4:30 PM-5:30 PM, Wednesday, Pinnacle BC
Joint Session 5 Haurwitz Lecture (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
4:30 PMLarge-scale atmospheric waves observed by TIMED/SABER   wrf recording
Rolando R. Garcia, NCAR, Boulder, CO
 
5:30 PM-7:30 PM, Wednesday, Atrium Lawn
17Fluid and 15Middle Joint Reception with Cash Bar
 
Thursday, 11 June 2009
8:20 AM-10:00 AM, Thursday, Pinnacle A
Session 9 Stratospheric Warmings
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Dieter Peters, IAP - Leibniz-Institut für Atmosphärenphysik der Universität Rostock e.V., Kühlungsborn Germany
8:20 AM9.1A vortex dynamics perspective on stratospheric sudden warmings: the resonant excitation theory   wrf recording
N. Joss Matthewman, University College London (UCL), London, United Kingdom; and J. G. Esler
8:40 AM9.2Blocking precursors to stratospheric sudden warming events   wrf recording
Olivia Martius, ETH, 8092 Zurich, Switzerland; and L. M. Polvani, M. Croci-Maspoli, and H. C. Davies
9:00 AM9.3The Extreme Major Stratospheric sudden Warming of January 2009   wrf recording
Paul A. Newman, NASA/GSFC, Greenbelt, MD; and E. R. Nash
9:20 AM9.4The Great Stratospheric Warming of 2009   wrf recording
Craig S. Long, NOAA/NWS/NCEP/CPC, Camp Springs, MD; and S. Zhou and M. LHeureux
9:40 AM9.6High initial-time sensibility observed for the tropospheric NAM predictability in the stratospheric sudden warming   wrf recording
Yuhji Kuroda, MRI, Tsukuba, Ibaraki, Japan
 
10:00 AM-10:20 AM, Thursday, Stowe Room
Coffee Break
 
10:20 AM-12:20 PM, Thursday
Session 10 Stratospheric Climate Change
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Terry Nathan, Univ. of California, Davis, CA
10:20 AM10.1Data analysis and a GCM simulation of the decadal temperature variation in the Arctic lower stratosphere in winter and spring   wrf recording
Wookap Choi, Seoul National University, Seoul, South Korea; and D. Kim and Y. Kim
10:40 AM10.2Evidence for recent stratospheric circulation changes from multiple measurement sources   wrf recording
Eric A. Ray, NOAA/ESRL/CSD, Boulder, CO; and F. L. Moore, J. W. Elkins, D. Hurst, K. H. Rosenlof, A. Engel, and S. J. Oltmans
11:00 AM10.3Narrowing of the upwelling branch of the Brewer-Dobson circulation in the lower stratosphere   wrf recording
Feng Li, UMBC/GEST, Greenbelt, MD; and R. S. Stolarski and S. Pawson
11:20 AM10.4Simulated anthropogenic changes in the Brewer-Dobson circulation, including its extension to high latitudes   wrf recording
Charles McLandress, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd
11:40 AM10.5Mechanisms and feedbacks causing changes in upper stratospheric ozone   wrf recording
Luke Oman, Johns Hopkins University, Baltimore, MD; and D. Waugh, S. R. Kawa, R. S. Stolarski, A. R. Douglass, and P. A. Newman
12:00 PM10.6Predicted changes in stratospheric ozone fluxes into the troposphere due to a changing climate  
Michaela I. Hegglin, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd
 
12:20 PM-1:50 PM, Thursday
Lunch Break
 
1:50 PM-3:30 PM, Thursday, Pinnacle A
Session 11 Stratospheric Ozone Variability
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Luke Oman, Johns Hopkins University, Baltimore, MD
1:50 PM11.1The long-term evolution of ozone and temperature in the upper stratosphere  extended abstract wrf recording
Wolfgang Steinbrecht, DWD = German Weather Service, Hohenpeissenberg, Germany; and H. Claude and F. Schoenenborn
2:10 PM11.2Climatology, trends and variability of the dynamical forcings of the stratospheric zonal flow and ozone transport   wrf recording
Erwan Monier, University of California, Davis, Davis, CA; and B. C. Weare
2:30 PM11.3Southern polar ozone variability as observed by Aura MLS  
Shuntai Zhou, NOAA/NWS/NCEP/CPC, Camp Springs, MD; and C. S. Long
2:50 PM11.4Dynamical modes associated with the Antarctic ozone hole   wrf recording
Bryan C. Weare, University of California, Davis, CA
11.5The influence of ENSO influence on monthly mean column ozone, geopotential heights and temperature in the Southern Hemisphere winter and spring  
Marek J. Rogal, AOS Univ. of Wisconsin, Madison, WI; and M. Hitchman
 
3:30 PM-3:50 PM, Thursday, Stowe Room
Coffee Break
 
4:30 PM-6:00 PM, Thursday, Stowe Room
Joint Poster Session 6 Modeling (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
Chair: Adam H. Sobel, Columbia University, New York, NY
 JP6.1Basin and channel contributions to a model antarctic circumpolar current  
Louis-Philippe Nadeau, McGill University, Montreal, QC, Canada; and D. Straub
 JP6.2Precipitation and its extremes under climate change  
Paul A. O'Gorman, MIT, Cambridge, MA; and T. Schneider
JP6.3Prediction of large-scale atmospheric flow using a mixture of empirical linear models  
Frank Kwasniok, University of Exeter, Exeter, United Kingdom
 JP6.4Zonal jets and the wind-driven midlatitude ocean circulation  
Balasubramanya Nadiga, LANL, Los Alamos, NM; and D. Straub
 JP6.5Climate change in an idealized coupled general circulation model  
Timothy M. Merlis, California Institute of Technology, Pasadena, CA; and T. Schneider
 JP6.6Understanding GCM predicted storm track changes under global warming  
Xiaoming Xia, SUNY, Stony Brook, NY; and E. Chang
 JP6.7The role of boundary layer processes in baroclinic eddy equilibration in a simple atmosphere-slab ocean coupled model  
Yang Zhang, MIT, Cambridge, MA; and P. H. Stone
 JP6.8Sensitivity to the vertical and meridional structure of the meridional temperature gradient in a three-layer quasigeostrophic turbulence model  
Erica M. Staehling, Princeton University, Princeton, NJ; and I. M. Held and G. K. Vallis
 JP6.9Understanding Ocean Heat Uptake Using Simple Models and GCMs  
Peng Xie, Princeton University, Princeton, NJ; and G. K. Vallis
 JP6.10Uncertainty in numerical modeling of deep moist convective processes: the role of microphysics  
Antonio Parodi, CIMA Research Foundation, Savona, Italy; and E. Fiori, L. Molini, and F. Siccardi
 JP6.11The climate and seasonal cycle on Titan: atmospheric dynamics and methane cycle  
Sonja D.B. Graves, California Institute of Technology, Pasadena, CA; and T. Schneider and E. L. Schaller
 JP6.12The Tropopause Inversion Layer in baroclinic Life-cycle Experiments  
Andre Richard Erler, University of Toronto, Toronto, ON, Canada; and V. Wirth
 JP6.13The role of the Altai-Sayan Mountains on the midwinter suppression of North Pacific storminess in a comprehensive climate model  
Hyo Seok Park, University of California Berkeley, Berkeley, CA
 JP6.14Multiple equilibria in an axisymmetric model of the tropical circulation with prognostic BL moisture  
Peng Xian, NRL, Monterey, CA; and R. L. Miller
 JP6.15Role of Continental-scale Landmass in Monsoonal and Global Precipitation Distribution  
Winston Chao, NASA/GSFC, Greenbelt, MD
 JP6.16Secondary instabilities in the breaking of inertia gravity waves  
Mark Furman, Goethe Universität, Frankfurt am Main, Germany; and U. Achatz
 JP6.17Circulation sensitivity to heating in an idealized model  
Pablo Zurita-Gotor, Universidad Complutense de Madrid, Madrid, Spain
 JP6.18Role of sea ice feedbacks in climate changes simulated with an idealized GCM  
Ian Eisenman, California Institute of Technology, Pasadena, CA; and T. Schneider
 
4:30 PM-6:00 PM, Thursday, Stowe Room
Joint Poster Session 7 Vortex Dynamics (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
Chair: Paul D. Reasor, Florida State Univ., Tallahassee, FL
 JP7.1The 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
 JP7.2The Influence of the QBO on Western North Pacific Tropical Cyclone Tracks  
Chang-Hoi Ho, Seoul National University, Seoul, South Korea; and H. S. Kim, J. H. Jeong, and S. W. Son
 JP7.3The dynamical response of the hurricane wind field to rainband heating  
Yumin Moon, University of Miami, Miami, FL; and D. S. Nolan
 JP7.4On the relative roles of vortex merger, axisymmetrization, diabatic heating, and mid-level moistening in tropical cyclogenesis  
David S. Nolan, Univ. of Miami, Miami, FL; and M. Iskandarani
 JP7.5Nonlinear Tropical Instability Waves  extended abstract
Cheng Zhou, University of Michigan, Ann Arbor, MI; and J. P. Boyd
 JP7.6A new look at hurricane intensity: perspectives from a dry and moist hurricane frameworks  
Agnieszka A. S. Mrowiec, Princeton University, Princeton, NJ; and S. T. Garner and O. Pauluis
 JP7.7Spontaneous-adjustment emission of inertia-gravity waves by unsteady vortical motion in the hurricane core  
Eric Hendricks, NRL, Monterey, CA; and W. H. Schubert, S. R. Fulton, and B. D. McNoldy
 
4:30 PM-6:00 PM, Thursday, Stowe Room
Joint Poster Session 8 Mixing within the Ocean and Atmosphere (Joint between the 17th Conference on Atmospheric and Oceanic Fluid Dynamics and the 15th Conference on Middle Atmosphere)
Organizer: Thomas W. N. Haine, Johns Hopkins Univ., Baltimore, MD
JP8.1Vertical structure of horizontal currents in global eddying OGCMs  
Robert Bruce Scott, Jackson School of Geosciences, University of Texas, Austin, TX; and B. K. Arbic
 JP8.2Vertical transport due to submesoscale processes in the upper ocean  
Amit Tandon, Univ. of Massachusetts, North Dartmouth, MA; and A. Mahadevan
 JP8.4Saturation of the internal tides and induced mixing in the abyssal ocean  
Caroline Jane Muller, MIT, Cambridge, MA; and O. Buhler
 
Friday, 12 June 2009
8:20 AM-10:00 AM, Friday, Pinnacle A
Session 12 Southern Hemisphere Climate Change: A Non-Zonal Perspective
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Mark P. Baldwin, Northwest Research Associates, Bellevue, WA
8:20 AM12.1On the Origin of the Southern Hemisphere Ozone Croissant  
Matthew H. Hitchman, AOS Univ. of Wisconsin, Madison, WI; and M. Rogal, N. A. Zachar, and A. Parker
8:40 AM12.2Antarctic stratospheric warming induced by SST increases  
Yongyun Hu, Peking University, Beijing, China, Beijing, China; and Q. Fu
9:00 AM12.3Sensitivity of stratospheric winds and temperatures to longitudinal variations in stratospheric ozone  
John P. McCormack, NRL, Washington, DC; and T. Nathan and E. Cordero
9:20 AM12.4Downward influence exerted by longitudinal variations in stratospheric ozone  
John R. Albers, University of California, Davis, Davis, CA; and T. Nathan
9:40 AM12.5Impact of zonal variations in ozone on stratosphere-troposphere coupling  
Darryn Waugh, Johns Hopkins University, Baltimore, MD; and L. Oman, S. Pawson, P. A. Newman, and J. E. Nielsen
 
10:00 AM-10:20 AM, Friday, Atrium
Coffee Break
 
10:20 AM-12:20 PM, Friday, Pinnacle A
Session 13 Coupled Troposphere-Stratosphere: Climate Variability and Change
Organizer: Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO
Chair: Darryn Waugh, Johns Hopkins University, Baltimore, MD
10:20 AM13.1Variability of predictability limits in the Northern Hemisphere stratosphere during winter  
Tomoko Ichimaru, Kyushu University, Fukuoka, Japan; and T. Hirooka and H. Mukougawa
10:40 AM13.2Tropospheric Precursors of Anomalous Northern Hemisphere Stratospheric Polar Vortices  
Chaim I. Garfinkel, University of Washington, Seattle, WA; and D. L. Hartmann and F. Sassi
11:00 AM13.3The atmospheric circulation response to climate change-like thermal forcings in a simple model  
Amy Hawes Butler, Colorado State University, Fort Collins, CO; and D. W. J. Thompson and R. Heikes
11:20 AM13.4What determines the Northern Hemisphere circulation response to increasing greenhouse gases?  
Michael Sigmond, Univ. of Toronto, Toronto, ON, Canada; and J. F. Scinocca
11:40 AM13.5The Ozone Hole and Southern Hemisphere Climate Change  
Seok-woo Son, McGill University, Montreal, QC, Canada; and N. Tandon, L. M. Polvani, and D. Waugh
12:00 PM13.6Possible impact of a large increase of ozone depleting substances on Northern Hemisphere climate  
Judith Perlwitz, CIRES/Univ. of Colorado, Boulder, CO; and R. L. Fogt, P. A. Newman, L. Oman, and S. Pawson
 

Browse the complete program of The 17th Conference on Atmospheric and Oceanic Fluid Dynamics Joint with the 15th Conference on Middle Atmosphere (June 8-12, 2009)