AMS Conference Program

12TH CONFERENCE ON ATMOSPHERIC AND OCEANIC FLUID DYNAMICS

SUN 6 JUNE
5:00 PM - 7:00 PMCONFERENCE REGISTRATION
MON 7 JUNE
7:30 AMCONFERENCE REGISTRATION
8:30 AMWELCOME AND INTRODUCTION
9:06 AMSESSION 1: BALANCE ADJUSTMENT, AND INERTIA-GRAVITY WAVES
   Chairperson: David Muraki, New York Univ., Courant Inst., New York, NY
9:06 AM1.1 HAMILTONIAN BALANCED MODELS FOR THREE-DIMENSIONAL STRATIFIED FLOW. Jurgen Theiss, University of Cambridge, Cambridge, United Kingdom
9:18 AM1.2 THE SCATTERING OF WAVES BY A VORTEX IN A STRATIFIED MEDIUM. Stefan G. Llewellyn Smith, University of Cambridge, Cambridge, United Kingdom; and R. Ford
9:30 AM1.3 NONLINEAR BALANCE APPROXIMATIONS FOR LARGE ROSSBY NUMBER FLOWS. John A. Knox, Valparaiso University, Valparaiso, IN
9:42 AM1.4 NONLINEAR GEOSTROPHIC ADJUSTMENT, ASYMMETRY, AND IRREVERSIBLE POTENTIAL VORTICITY CHANGE. Allen C. Kuo, Columbia University, New York, NY; and L. M. Polvani
9:54 AM1.5 PAPER MOVED TO POSTER SESSION P1, PAPER NUMBER P1.25.
9:54 AM1.6 NON-AXISYMMETRIC VORTEX ADJUSTMENT. Michael T. Montgomery, Colorado State University, Fort Collins, CO; and J. Enagonio
10:06 AMCOFFEE BREAK
10:40 AMSESSION 1: BALANCE, ADJUSTMENT, AND GRAVITY WAVES (CONTINUED)
   Chairperson: Paul Kushner, NOAA/GFDL, Princeton, NJ
10:40 AM1.7 NONLINEAR INSTABILITY OF ELEMENTARY STRATIFIED FLOWS AT LARGE RICHARDSON NUMBERS. Andrew J. Majda, Courant Institute, New York University, New York, NY; and M. G. Shefter
10:52 AM1.8 HYDROSTATIC AND GEOSTROPHIC ADJUSTMENT IN A COMPRESSIBLE ATMOSPHERE. Jeffrey M. Chagnon, Penn State University, University Park, PA; and P. R. Bannon
11:04 AM1.9 THE STABILITY OF INTERNAL WAVES. Bruce R. Sutherland, University of Alberta, Edmonton, AB, Canada
11:16 AM1.10 ON THE LINEARLY-BALANCED KINETIC ENERGY SPECTRUM. Huei-Iin Lu, Global Hydrology and Climate Center, Huntsville, AL; and F. R. Robertson
11:28 AM1.11 A TWO-LAYER MODEL OF MOUNTAIN WAVE BREAKING AND POTENTIAL VORTICITY GENERATION. Q. Jiang, Yale University, New Haven, CT; and R. B. Smith
11:40 AM1.12 INERTIAL OSCILLATIONS AND FRONTOGENESIS IN A ZERO POTENTIAL VORTICITY FLOW. William Blumen, University of Colorado, Boulder, CO
11:52 AM1.13 PAPER WITHDRAWN
12:04 PM1.14 LINEAR STABILITY ANALYSIS OF INERTIO-GRAVITY WAVES (FORMERLY PAPER P.14). Ka-Hing Yau, York University, North York, ON, Canada; and G. P. Klaassen and L. Sonmor
12:16 PMLUNCH BREAK
2:00 PMSESSION 2: ATMOSPHERIC AND OCEANIC CONVECTION
   Chairperson: Wayne Schubert, Colorado State Univ., Ft. Collins, CO
2:00 PM2.1 AN EQUILIBRIUM THEORY FOR LARGE-SCALE FEATURES OF OPEN-OCEAN CONVECTION. Mark T. DiBattista, Courant Institute, New York University, New York, NY; and A. J. Majda
2:12 PM2.2 PAPER WITHDRAWN
2:24 PM2.3 REPRESENTING DEEP CUMULUS CONVECTION IN A HADLEY CIRCULATION MODEL. Luciano Fleischfresser, University of Oklahoma, Norman, OK
2:36 PM2.4 DYNAMICS OF CONVECTIVE ORGANIZATION SIMULATED BY A MESOSCALE MODEL. Adam H. Sobel, University of Washington, Seattle, WA; and C. S. Bretherton and H. Su
2:48 PM2.5 ENTROPY BUDGET AND CONVECTIVE AVAILABLE POTENTIAL ENERGY OF DEEP CONVECTION. Oliviera M. Pauluis, Princeton University, Princeton, NJ; and I. M. Held
3:00 PM2.6 A NUMERICAL STUDY OF THREE DIMENSIONAL GRAVITY WAVES TRIGGERED BY DEEP CONVECTION IN THE TROPICS. Claudio Piani, University of Washington, Seattle, WA; and D. R. Durran and J. R. Holton
3:12 PM2.7 CLOUD-RESOLVING CONVECTION PARAMETERIZATION (CRCP): A NOVEL APPROACH FOR MODELING CONVECTING ATMOSPHERES. Wojciech W. Grabowski, NCAR, Boulder, CO; and P. K. Smolarkiewicz
3:24 PMCOFFEE BREAK
4:00 PMSESSION 3: UPPER TROPOSPHERIC AND STRATOSPHERIC DYNAMICS
   Chairperson: Darryn W. Waugh, Johns Hopkins University, Baltimore, MD
4:00 PM3.1 TROPOPAUSE DYNAMICS BEYOND QUASIGEOSTROPHY. Gregory J. Hakim, NCAR, Boulder, CO; and D. J. Muraki
4:12 PM3.2 THE BREAKING OF ROSSBY WAVES AT THE BOTTOM OF THE STRATOSPHERIC POLAR VORTEX. Lorenzo M. Polvani, Columbia University, New York, NY; and R. A. Plumb and D. G. Dritschel
4:24 PM3.3 ONSET OF EDGE WAVE BREAKING IN A MODEL OF THE POLAR STRATOSPHERIC VORTEX. John C. Fyfe, University of Victoria, Victoria, BC, Canada; and X. Wang
4:36 PM3.4 ON THE SEASONAL CHANGE IN THE EXTRATROPICAL TROPOPAUSE HEIGHT INDUCED BY THE STRATOSPHERIC WAVE FORCING. Masaki Satoh, University of Cambridge, Cambridge, United Kingdom; and P. H. Haynes
4:48 PM3.5 ROSSBY WAVE BREAKING IN SOUTHERN HEMISPHERE UPPER TROPOSPHERE. Dieter Peters, Institut für Atmosphärenphysik an der Universität Rostock, Kühlungborn, Mecklenburg-Vorpommern, Germany; and D. W. Waugh
5:00 PM3.6 THE EVOLUTION OF A STRATOSPHERIC WAVE PACKET. Nili Harnik, MIT, Cambridge, MA; and R. S. Lindzen
5:12 PM3.7 INTERACTIONS BETWEEN THE EQUATORIAL QBO AND THE EXTRATROPICAL STRATOSPHERE. John E. Hampson, University of Cambridge, Cambridge, United Kingdom
5:24 PM3.8 TROPOPAUSE-BASED MESOSCALE COHERENT VORTICES: A DYNAMICAL INTERPRETATION OF JET STREAKS. Philip Cunningham, University at Albany, SUNY, Albany, NY; and D. Keyser
5:36 PMORAL SESSIONS END FOR THE DAY
6:00 PM - 7:30 PMSESSION P1: POSTER SESSION (ICEBREAKER/CASH BAR)
P1.1 A MULTIPLE-REGIMES APPROACH TO ATMOSPHERIC ZONAL-FLOW VACILLATION. Seongjoon Koo, University of California, Los Angeles, CA; and A. W. Robertson and M. Ghil
P1.2 THE STRUCTURE OF THE THERMALLY FORCED CIRCULATIONS UNDER DIFFERENT COMBINATIONS OF LINEAR DAMPING. Zhaohua Wu, University of Washington, Seattle, WA
P1.3 A MODEL FOR DOWNSTREAM DEVELOPMENT IN VARIABLE MEDIA. Roy H. Goodman, Courant Institute, New York University, New York, NY; and A. J. Majda and D. W. McLaughlin
P1.4 GRAVITY WAVE FOCUSING VIA TIME-DEPENDENT NONLINEAR INTERACTIONS (FORMERLY PAPER 1.14). Len Sonmor, Dalhousie University, Halifax, NS, Canada; and G. P. Klaassen
P1.5 PAPER WITHDRAWN
P1.6 BAROCLINIC WAVES AT HIGH AND LOW CRITICALITY. Pablo Zurita, MIT, Cambridge, MA; and E. K. M. Chang
P1.7 NEGATIVE EQUIVALENT DEPTH MODES ON THE EQUATORIAL BETA PLANE. Dennis Wilson Moore, PMEL, Seattle, WA
P1.8 PAPER MOVED TO SESSION 10, PAPER 10.6.
P1.9 V-WAVES, BOW-WAVES, AND WAKES IN SUPERCRITICAL HYDROSTATIC FLOW. Qingfang Jiang, Yale University, New Haven, CT; and R. B. Smith
P1.10 ON INITIAL GROWTH USING LOCALIZED ATMOSPHERIC VORTICIES. Richard Grotjahn, University of California, Davis, CA; and D. Hodyss
P1.11 STOCHASTIC MODELS OF SHEAR FLOW TURBULENCE WITH ENSTROPHY TRANSFER TO SUBGRID-SCALES. Timothy M. DelSole, COLA, Silver Spring, MD
P1.12 DEPENDENCE OF SINGULAR VECTOR STRUCTURE AND EVOLUTION ON THE CHOICE OF NORM. Hyun Mee Kim, University of Wisconsin, Madison, WI; and M. C. Morgan
P1.13 ADAPTIVE SAMPLING AND THE ENSEMBLE TRANSFORM KALMAN FILTER. Craig H. Bishop, Penn State University, University Park, PA; and B. J. Etherton and S. J. Majumdar
P1.14 MODULATION OF TOMS ABSORBING AEROSOLS BY AFRICAN WAVES. R. Cakmur, Columbia University, New York, NY; and R. L. Miller
P1.15 CORRECTING PREDICTIONS OF PREDICTABILITY WITH THE ENSEMBLE TRANSFORM KALMAN FILTER. Brian J. Etherton, Penn State University, University Park, PA; and C. H. Bishop
P1.16 REAL TIME HURRICANE TRACK TARGETING USING A VICBAR ENSEMBLE. Sharanya J. Majumdar, Penn State University, University Park, PA; and C. H. Bishop and S. D. Aberson
P1.17 PAPER MOVED TO SESSION 1, PAPER NUMBER 1.6.
P1.18 CONSTRAINING THE DYNAMICS OF ENSO USING LINEAR INVERSE MODELING. Joseph Barsugli, NOAA/CDC and Univ. of Colorado, CIRES, Boulder, CO; and M. C. Penland and P. Chang
P1.19 EVIDENCE OF GRAVITY-WAVE-TIDAL INTERACTIONS IN MESOSPHERIC LIDAR DATA. Patricia Minthorn Franke, Colorado Research Associates/NWRA, Boulder, CO
P1.20 A NUMERICAL STUDY OF THE SPECTRAL EVOLUTION OF MULTIPLE GRAVITY WAVES. Patricia Minthorn Franke, Colorado Research Associates/NWRA, Boulder, CO; and W. A. Robinson
P1.21 ON ENSO'S PHASE LOCKING TO THE SEASONAL CYCLE IN THE FAST SST, FAST WAVE, AND MIXED MODE REGIMES. Eli Galanti, GFDL, Princeton Univ., Princeton, NJ; and E. Tziperman
P1.22 MULTIPLE BAROCLINIC JETS, STORM TRACKS AND RADIATING INSTABILITIES. Terry Nathan, University of California, Davis, CA
P1.23 IDEAL SHOCKS IN TWO-LAYER FLOW. R. B. Smith, Yale University, New Haven, CT; and Q. Jiang
P1.24 A NUMERICAL STUDY OF AIRCRAFT WAKE VORTEX. Vince Wong, CAPS/University of Oklahoma, Norman, OK
P1.25 ON THE VORTICITY TRANSPORT DUE TO DISSIPATING OR BREAKING GRAVITY WAVES. O. Buhler, University of St. Andrews, St. Andrews, Fife, United Kingdom
P1.26 ON THE PARCEL METHOD AND THE BAROCLINIC WEDGE OF INSTABILITY. Eyal Heifetz, Tel-Aviv University, Tel-Aviv, Israel; and A. da Silva
P1.27 PULSE GENERATION IN VISCOUS WESTERN BOUNDARY CURRENTS. P. C. F. van der Vaart, Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands
P1.28 THE INFLUENCE OF A DEEP WESTERN BOUNDARY CURRENT ON THE VARIABILITY OF WIND-DRIVEN FLOWS. Caroline A. Katsman, Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands; and S. . S. Drijfhout and H. A. Dijkstra
TUES 8 JUNE
8:00 AMREGISTRATION CONTINUES THROUGH FRIDAY, 11 JUNE
8:30 AMSESSION 4: TOPOGRAPHIC WAVES AND CURRENTS
   Chairperson: John Knox, Valparaiso University, Valparaiso, IN
8:30 AM4.1 THE DYNAMICS OF WAVE CLOUDS UPWIND OF COASTAL OROGRAPHY. Stephen D. Burk, NRL, Monterey, CA; and T. Haack
8:42 AM4.2 THE GENERATION OF LONGSHORE CURRENTS AND EDDIES BY BREAKING WAVES IN THE SURF ZONE. Onno Bokhove, University of Bristol, Bristol, United Kingdom; and D. H. Peregrine
8:54 AM4.3 ON THE TRAPPING OF "COASTALLY TRAPPED" ATMOSPHERIC WAVES. Dale R. Durran, University of Washington, Seattle, WA
9:06 AM4.4 DYNAMICS OF NONLINEAR, TIME-DEPENDENT RIP CURRENTS IN THE SURF ZONE. Donald N. Slinn, Florida Atlantic University, Boca Raton, FL; and J. S. Allen
9:18 AM4.5 FORCED-DISSIPATIVE RESPONSE FOR COUPLED PLANETARY ROSSBY AND TOPOGRAPHIC SHELF MODES IN HOMOGENEOUS, CYLINDRICAL OCEANS. Onno Bokhove, University of Bristol, Bristol, United Kingdom
9:30 AM4.6 PHASE SPEED ENHANCEMENT OF FIRST MODE BAROCLINIC ROSSBY WAVES. Remi Tailleux, University of California, Los Angeles, CA; and J. C. McWilliams
9:42 AM4.7 ROTATING, STRATIFIED FLOW PAST MESOSCALE OROGRAPHY. Michael Greenslade, University of Cambridge, Cambridge, Cambridgeshire, United Kingdom
9:54 AM4.8 STRATIFIED FLOWS OVER TOPOGRAPHY AT FINITE ROSSBY NUMBER. David J. Muraki, New York University, Courant Institute, New York, NY; and C. Snyder and R. Rotunno
10:06 AMCOFFEE BREAK
10:40 AMSESSION 4: TOPOGRAPHIC WAVES AND CURRENTS (CONTINUED)
   Chairperson: Dale Durran, Univ. of Washington, Seattle, WA
10:40 AM4.9 FORM DRAG IN FLOW OVER PERIODIC TOPOGRAPHY: AN ANALYTIC FORMULA. Wendell T. Welch, Yale University, New Haven, CT; and P. K. Smolarkiewicz, R. Rotunno, and B. Boville
10:52 AM4.10 EQUILIBRATION OF TOPOGRAPHICALLY FORCED GROWING DISTURBANCES IN A BAROTROPIC MODEL. Constantine Giannitsis, MIT, Cambridge, MA; and R. S. Lindzen
11:04 AM4.11 MECHANISMS OF LEE VORTEX FORMATION IN STRATIFIED FLOW OVER TOPOGRAPHY. Craig Epifanio, University of Washington, Seattle, WA; and D. R. Durran
11:16 AM4.12 FLOW-TOPOGRAPHY INTERACTION IN A MODEL WITH A SINGLE THERMALLY-ACTIVE LAYER. R. Ford, Imperial College, London, United Kingdom
11:28 AM4.13 FRONTAL INTERACTION WITH ISOLATED OROGRAPHY. Maurizio Fantini, ISAO-CNR, Bologna, Italy; and S. Davolio
11:40 AM4.14 ANISOTROPY IN THE PARAMETERIZATION OF DRAG DUE TO FREELY PROPAGATING GRAVITY WAVES AND LOW-LEVEL DYNAMICS. John F. Scinocca, University of Victoria, Victoria, BC, Canada; and N. A. McFarlane
11:52 AM4.15 ENHANCED DISSIPATION FOR QUASI-GEOSTROPHIC MOTION OVER SMALL-SCALE TOPOGRAPHY. Jacques Vanneste, University of Edinburgh, Edinburgh, United Kingdom
12:04 PM4.16 NUMERICAL STUDY OF OROGRAPHIC MESOSCALE GRAVITY WAVE GENERATION. Fuqing Zhang, North Carolina State University, Raleigh, NC; and S. E. Koch
12:16 PMLUNCH BREAK
2:00 PMSESSION 5: STORM TRACKS
   Chairperson: Michael Morgan, University of Wisconsin, Madison, WI
2:00 PM5.1 TIME EVOLUTION OF SUMMERTIME UPPER-LEVEL BLOCKING ASSOCIATED WITH THE SURFACE OKHOTSK HIGH. Hisashi Nakamura, IGCR, Frontier Research System for Global Change and University of Tokyo, Tokyo, Japan
2:12 PM5.2 THE EFFECTS OF DIABATIC HEATING ON STORM TRACK DYNAMICS. Mark Althouse, University of California, Irvine, CA; and M. Mak
2:24 PM5.3 MID-WINTER SUPPRESSION OF THE PACIFIC STORM TRACK DIAGNOSED USING GCM AND OBSERVATIONAL DATA ANALYSES. Edmund K. M. Chang, MIT, Cambridge, MA
2:36 PM5.4 OUT-OF-PHASE RELATIONSHIP BETWEEN THE INTERANNUAL FLUCTUATIONS IN POLEWARD HEAT TRANSPORT BY THE EAST ASIAN WINTER MONSOON AND PACIFIC STORMTRACK. Hisashi Nakamura, IGCR, Frontier Research System for Global Change and University of Tokyo, Tokyo, Japan; and T. Izumi
2:48 PM5.5 PAPER WITHDRAWN
3:00 PM5.6 STORM TRACK DYNAMICS IN ATMOSPHERIC MODELS: THE IMPACT OF BAROTROPIC DEFORMATION. Robert X. Black, Georgia Institute of Technology, Atlanta, GA
3:12 PM5.7 SELF MAINTENANCE OF BAROCLINIC JETS BY TRANSIENT-EDDY FEEDBACK AND SURFACE DRAG. Walter A. Robinson, University of Illinois, Urbana, IL
3:24 PMCOFFEE BREAK
4:00 PMSESSION 6: TROPICAL WAVES AND CIRCULATIONS
   Chairperson: Richard Seager, Lamont Doherty Earth Observatory, Palisades, NY
4:00 PM6.1 WALKER CIRCULATION PROBLEM. Jun-Ichi Yano, Monash Univ., Clayton, Vic., Australia
4:12 PM6.2 THE AREAL EXTENT OF TROPICAL CONVECTION IN A SYMMETRIC CIRCULATION MODEL. R. L. Miller, Columbia University, New York, NY
4:24 PM6.3 VERTICAL STRUCTURE OF HEATING AND THE 3D STRUCTURE OF THE FORCED CIRCULATIONS IN THE TROPICS. Zhaohua Wu, University of Washington, Seattle, WA
4:36 PM6.4 ON THE ORIGIN OF MONSOON ONSET. Winston C. Chao, NASA/GSFC, Greenbelt, MD
4:48 PM6.5 THE NONLINEAR RESPONSE TO TOPOGRAPHY AND GILL FORCING IN THE TROPICS. Andrew J. Majda, Courant Institute, New York University, New York, NY; and M. G. Shefter, E. G. Tabak, and R. R. Rosales
5:00 PM6.6 THE ROLE OF VORTEX-ROSSBY WAVES IN THE ALGEBRAIC GROWTH OF WAVENUMBER ONE DISTURBANCES IN HURRICANE-LIKE VORTICES. David S. Nolan, Colorado State University, Fort Collins, CO; and M. T. Montgomery
5:12 PM6.7 AN EXTENSION OF LONG'S SINK VORTEX SOLUTION. Alan Shapiro, University of Oklahoma, Norman, OK
5:24 PM6.8 SYNOPTIC-SCALE ROSSBY WAVES AND GEOGRAPHIC DISTRIBUTION OF LATERAL TRANSPORT ROUTES BETWEEN THE TROPICS AND THE EXTRATROPICS IN THE LOWER STRATOSPHERE. Takeshi Horinouchi, Univ. of Washington, Seattle, WA; and F. Sassi and B. Boville
5:36 PM6.9 SIMULATION OF BINARY TROPICAL CYCLONES INTERACTION IN A BACKGROUND FLOW. Mitia Frumin, Hebrew University of Jerusalem, Jerusalem, Israel; and A. Khain, I. Ginis, and A. I. Falkovich
5:48 PMSESSIONS END FOR THE DAY
6:30 PMGRADUATE STUDENT DINNER
WED 9 JUNE
8:30 AMSESSION 7: INTERANNUAL AND INTERDECADAL VARIABILITY
   Chairperson: Robert Black, Georgia Institute of Technology, Atlanta, GA
8:30 AM7.1 SEASONAL DEPENDENCE AND TIME EVOLUTION OF THE INTERANNUAL SEESAW BETWEEN THE ALEUTIAN AND ICELANDIC LOWS. Meiji Honda, Institute for Global Change Research, Frontier Research System for Global Change, Tokyo, Japan; and H. Nakamura and J. Ukita
8:42 AM7.2 DYNAMIC AND THERMODYNAMIC CHARACTERISTICS OF ATMOSPHERIC RESPONSE TO OKHOTSK SEA-ICE EXTENT ANOMALIES. Meiji Honda, Institute for Global Change Research, Frontier Research System for Global Change, Tokyo, Japan; and H. Nakamura
8:54 AM7.3 THERMAL FEEDBACK ON WIND-STRESS AS A CONTRIBUTING CAUSE OF CLIMATE VARIABILITY. Paola Cessi, SIO, La Jolla, CA
9:06 AM7.4 DECADAL OSCILLATIONS IN THE MID-LATITUDE OCEAN-ATMOSPHERE SYSTEM. Blanca Gallego, University of California, Los Angeles, CA; and P. Cessi
9:18 AM7.5 COUPLED INTERACTIONS BETWEEN WIND DRIVEN GYRES AND THE ATMOSPHERE. Francois W. Primeau, SIO, La Jola, CA; and P. Cessi
9:30 AM7.6 AN INTERMEDIATE COUPLED MODEL FOR STUDYING THE SENSITIVITY OF THE THERMOHALINE CIRCULATION TO CLIMATE CHANGE. Igor V. Kamenkovich, JISAO, Univ. of Washington, Seattle, WA; and A. Sokolov and P. H. Stone
9:42 AM7.7 MECHANISMS FOR SUB-SEASONAL VARIATIONS IN EXTRATROPICAL ENSO SIGNALS. Jeff Whitaker, NOAA/CDC and Univ. of Colorado,CIRES, Boulder, CO; and J. Barsugli
9:54 AM7.8 A REDUCED COUPLED OCEAN/ATMOSPHERE MODEL WITH EMPIRICAL CORRECTIONS. Ulrich Achatz, Universitaet Rostock, Kuehlungsborn, Germany; and R. Haarsma, J. D. Opsteegh, and F. F. Selten
10:06 AMCOFFEE BREAK
10:40 AMSESSION 8: OPTIMAL STRUCTURES AND STOCHASTIC MODELS
   Chairperson: Michael Montgomery, Colorado State University, Fort Collins, CO
10:40 AM8.1 UNDERSTANDING SINGULAR VECTOR EVOLUTION FROM A POTENTIAL VORTICITY PERSPECTIVE. Michael C. Morgan, University of Wisconsin, Madison, WI; and C. C. Chen
10:52 AM8.2 DIAGNOSIS OF OPTIMAL PERTURBATION EVOLUTION IN THE EADY MODEL. Chih-Chieh Chen, University of Wisconsin, Madison, WI; and M. C. Morgan
11:04 AM8.3 THE PERFORMANCE OF THE ENSEMBLE TRANSFORM KALMAN FILTER DURING NORPEX 98 AND NORPEX 99. Sharanya J. Majumdar, Penn State University, University Park, PA; and C. H. Bishop, B. J. Etherton, Z. Toth, and I. Szunyogh
11:16 AM8.4 A STOCHASTIC MODEL FOR TRANSIENT EDDY MOMENTUM FLUXES IN THE UPPER TROPOSPHERE. Timothy M. DelSole, COLA, Silver Spring, MD
11:28 AM8.5 WEATHER REGIMES AND PREFERRED TRAJECTORIES OF A GCM. Grant Branstator, NCAR, Boulder, CO; and J. Berner
11:40 AM8.6 OPTIMAL PERTURBATIONS ASSOCIATED WITH PBL STREAKS. Ralph C. Foster, JISAO, Seattle, WA
11:52 AM8.7 THE EXCITATION OF MEANDERS ON OCEAN FRONTS. Stephen Meacham, AER, Cambridge, MA
12:04 PM8.8 A STUDY OF DETERMINISTIC PREDICTABILITY FOR THE BAROTROPIC COMPONENT OF THE ATMOSPHERE. H. L. Tanaka, University of Tsukuba, Tsukuba, Ibaraki, Japan; and D. Nohara
12:16 PMLUNCH BREAK
2:00 PMSESSION 9: STATIONARY AND PLANETARY WAVES
   Chairperson: Edmund K. M. Chang, MIT, Cambridge, MA
2:00 PM9.1 THE RELATIVE IMPORTANCE OF OROGRAPHICALLY AND THERMALLY FORCED STATIONARY WAVES IN THE CAUSATION OF THE RESIDUAL CIRCULATION. E. Becker, Universitaet Rostock, Institut fuer Atmosphaerenphysik, Kuehlungsborn, Germany; and G. Schmitz
2:12 PM9.2 A NEW FORMULATION OF A PHASE-INDEPENDENT WAVE-ACTIVITY FLUX FOR STATIONARY AND MIGRATORY QUASI-GEOSTROPHIC EDDIES ON A ZONALLY-VARYING BASIC FLOW. Koutarou Takaya, University of Tokyo, Tokyo, Japan; and H. Nakamura
2:24 PM9.3 RADIATION AND LOCALISATION OF PLANETARY WAVES IN A FLUCTUATING ATMOSPHERE: OBSERVATIONS. Lionel Pandolfo, University of British Columbia, Vancouver, BC, Canada; and A. H. Monahan
2:36 PM9.4 RADIATION AND LOCALISATION OF PLANETARY WAVES IN A FLUCTUATING ATMOSPHERE: THEORY. Adam H. Monahan, University of British Columbia, Vancouver, BC, Canada; and L. Pandolfo
2:48 PM9.5 EFFECTS OF THE HADLEY CELL ON PLANETARY-WAVE REFLECTION. Gudrun Magnusdottir, University of California, Irvine, CA; and C. C. Walker
3:00 PM9.6 THE EFFECT OF A HADLEY CELL ON PLANETARY-WAVE REFLECTION. J. Gavin Esler, University of Cambridge, Cambridge, United Kingdom; and L. M. Polvani and R. A. Plumb
3:12 PM9.7 FORCED STATIONARY WAVES IN THE EXTRATROPICS - SOME ANALYTIC SOLUTIONS. Ping Chen, NOAA/CIRES/CDC, Boulder, CO
3:24 PMCOFFEE BREAK
4:00 PMSESSION 10: BAROCLINIC AND BAROTROPIC INSTABILITIES
   Chairperson: Lionel Pandolfo, University of British Columbia, Vancouver, BC
4:00 PM10.1 THE IMPACT OF RESOLUTION ON A NUMERICAL SIMULATION OF BAROTROPIC INSTABILITY. Amy Solomon, University of Hawaii, Honolulu, HI; and R. S. Lindzen
4:12 PM10.2 MOIST BAROCLINIC INSTABILITY WITH A HEATING/MOISTENING PARAMETERIZATION. Mankin Mak, University of Illinois, Urbana, IL
4:24 PM10.3 THE COUNTER--PROPAGATING ROSSBY WAVE PERSPECTIVE ON BAROCLINIC INSTABILITY: I. MATHEMATICAL BASIS. Eyal Heifetz, Tel-Aviv Univ., Tel-Aviv, Israel; and C. H. Bishop, B. J. Hoskins, and J. Methven
4:36 PM10.4 THE COUNTER-PROPAGATING ROSSBY WAVE PERSPECTIVE ON BAROCLINIC INSTABILITY: II. APPLICATION TO A REALISTIC JET. John Methven, University of Reading, Reading, United Kingdom; and E. Heifetz, B. J. Hoskins, and C. H. Bishop
4:48 PM10.5 WAVENUMBER VACILLATION IN WEAKLY-STRATIFIED BAROCLINIC FLOWS. Shih-Hung Chou, NASA/MSFC, Huntsville, AL
5:00 PM10.6 THREE-DIMENSIONAL STRUCTURE OF BAROCLINIC WAVE PACKETS (FORMERLY PAPER P1.8). Edmund K. M. Chang, MIT, Cambridge, MA
5:12 PM10.7 A MINIMAL NONLINEAR MODEL OF FREE BOUNDARY BAROCLINIC INSTABILITY. Pedro Ripa, CICESE, Ensenada, Baja California, Mexico
5:24 PM10.8 SOME EFFECTS OF MERIDIONAL STRUCTURE UPON THE INITIAL GROWTH OF A BAROCLINIC WAVE. Daniel Hodyss, University of California, Davis, CA; and R. Grotjahn
5:36 PMSESSIONS END FOR THE DAY
6:00 PMCONFERENCE BANQUET
8:00 PMTHE BERNARD HAURWITZ MEMORIAL LECTURE
THUR 10 JUNE
8:30 AMSESSION 11: ATMOSPHERIC AND OCEANIC GENERAL CIRCULATION
   Chairperson: R. L. Miller, Columbia University, New York, NY
8:30 AM11.1 EVOLUTION OF TEMPERATURE AMOMALIES IN A DEPTH INDEPENDENT TEMPERATURE MODEL. James Shepherd, Imperial College, London, United Kingdom; and R. Ford
8:42 AM11.2 COMMENTS ON QUASIGEOSTROPHIC BOUNDARY LAYERS FOR BAROTROPIC OCEAN CIRCULATION MODELS. David N. Straub, McGill Univ., Montreal, PQ, Canada
8:54 AM11.3 THE LATTICE BOLTZMANN METHOD AS A BASIS FOR OCEAN CIRCULATION MODELING. Rick Salmon, SIO, La Jolla, CA
9:06 AM11.4 ROTATIONAL/DIVERGENT FLOW DECOMPOSITION OF GLOBAL OCEAN CURRENTS. Ian G. Watterson, CSIRO, Aspendale, Vic., Australia
9:18 AM11.5 THE ROLE OF THE MEAN MERIDIONAL CIRCULATION IN GENERATING FRICTION TORQUES. Steven B. Feldstein, Penn State University, University Park, PA
9:30 AM11.6 ON THE STRUCTURE OF ZONAL MEAN JETS. Hyun-kyung Kim, Penn State University, University Park, PA; and S. Lee
9:42 AM11.7 THE ANNUAL AND SEMI-ANNUAL CYCLES OF ATMOSPHERIC ANGULAR MOMENTUM. Huei-Ping Huang, NOAA/CDC and Univ. of Colorado, CIRES, Boulder, CO; and P. D. Sardeshmukh
9:54 AM11.8 THE MAINTENANCE OF THE MEAN THERMAL STRUCTURE OF THE EXTRATROPICAL TROPOSPHERE: EXPERIMENTS WITH AN IDEALIZED GCM. Tapio Schneider, Princeton University, Princeton, NJ; and I. M. Held
10:06 AMCOFFEE BREAK
10:40 AMSESSION 12: LOW FREQUENCY VARIABILITY
   Chairperson: Gudrun Magnusdottir, University of California, Irvine, CA
10:40 AM12.1 ON THE IMPLEMENTATION OF GENERALIZED BAROTROPIC MODELS FOR STUDYING THE DYNAMICS OF LOW-FREQUENCY VARIABILITY OF THE ATMOSPHERE. Christos M. Mitas, University of Illinois, Urbana, IL; and W. A. Robinson
10:52 AM12.2 PIECEWISE TENDENCY DIAGNOSIS OF WEATHER REGIME TRANSITIONS. Katherine J. Evans, Georgia Institute of Technology, Atlanta, GA; and R. X. Black
11:04 AM12.3 WAVE-MEAN FLOW FEEDBACKS AND THE PERSISTENCE OF ZONAL FLOW VACILLATION. Ian G. Watterson, CSIRO, Aspendale, Vic., Australia
11:16 AM12.4 MODIFIED LAGRANGIAN-MEAN ANALYSIS OF LOW-FREQUENCY VARIATIONS IN THE TROPOSPHERE OF A SIMPLE GLOBAL CIRCULATION MODEL. Koji Akahori, Kyoto University, Kyoto, Japan; and S. Yoden
11:28 AM12.5 OBSERVED LOW-FREQUENCY FLUCTUATIONS OF WAVE ONE: BAROCLINIC INSTABILITY AND THE MJO. David M. Straus, COLA, Calverton, MD; and R. S. Lindzen
11:40 AM12.6 PLANETARY-SCALE DEFORMATION TENDENCIES DURING THE TRANSITION TO BLOCKING. Stephen J. Colucci, Cornell Univ., Ithaca, NY
11:52 AM12.7 BAROCLINIC ROSSBY WAVE DYNAMICS OF THE WINTERTIME LOW-FREQUENCY FLOW. Matthew Newman, NOAA/CDC and Univ. of Colorado, CIRES, Boulder, CO; and P. D. Sardeshmukh
12:04 PM12.8 THE TEMPORAL EVOLUTION OF PNA ANOMALIES. Steven B. Feldstein, Penn State University, University Park, PA
12:16 PM12.9 OBSERVED NONMODAL GROWTH OF THE PACIFIC NORTH AMERICA (PNA) TELECONNECTION PATTERN. Benjamin Cash, Penn State Univ., University Park, PA; and S. Lee
12:28 PMLUNCH BREAK
2:00 PMSESSION 13: TURBULENCE
   Chairperson: Sukyoung Lee, Penn State University, University Park, PA
2:00 PM13.1 CRUDE CLOSURE DYNAMICS FOR GEOPHYSICAL FLOWS VIA LARGE SCALE STATISTICAL THEORY. Marcus J. Grote, ETH, Zurich, Switzerland; and A. J. Majda
2:12 PM13.2 A TEST, USING AMOSPHERIC DATA, OF A METHOD FOR ESTIMATING OCEANIC MESOSCALE EDDY DIFFUSIVITY. Paul J. Kushner, NOAA/GFDL, Princeton, NJ; and I. M. Held
2:24 PM13.3 HIGH RESOLUTION SIMULATIONS OF A QUASIGEOSTROPHIC OCEAN GYRE. Jeffrey B. Weiss, University of Colorado, Boulder, CO; and A. Siegel, J. Toomre, J. C. McWilliams, and I. Yavneh
2:36 PM13.4 GEOSTROPHIC TURBULENCE AND THE EQUILIBRATION OF BAROCLINIC EDDIES IN THE OCEAN. K. Shafer Smith, University of California, Santa Cruz, CA; and G. K. Vallis
2:48 PM13.5 GENERATION OF MID-OCEAN EDDY ENERGY: THE LOCAL HYPOTHESIS. Brian K. Arbic, MIT, Cambridge, MA; and G. R. Flierl
3:00 PM13.6 SHOALING WAVE ENERGY DISSIPATION IN TURBULENT BENTHICBOUNDARY LAYERS. Stephanie Moneris, Florida Atlantic University, Boca Raton, FL; and D. N. Slinn
3:12 PM13.7 VORTEX STABILIZATION IN DEFORMATION FIELDS. David S. Nolan, Colorado State University, Fort Collins, CO
3:24 PMCOFFEE BREAK
4:00 PMSESSION 13: TURBULENCE (CONTINUED)
   Chairperson: Jeffrey Weiss, University of Colorado, Boulder, CO
4:00 PM13.8 ON "UPSCALE-ENERGY CASCADE" IN GEOSTROPHIC TURBULENCE IN A BAROCLINIC ATMOSPHERE. Ka-Kit Tung, University of Washington, Seattle, WA; and W. T. Welch
4:12 PM13.9 MULTIPLE JETS IN A BAROCLINIC FLOW ON THE SPHERE. Sukyoung Lee, Penn State University, University Park, PA
4:24 PM13.10 ZONAL JETS AND EQUATORIAL SUPER-ROTATION IN PLANETARY ATMOSPHERES. L. G. Rivier, Columbia University, New York, NY; and L. M. Polvani and R. Saravanan
4:36 PM13.11 TWO-DIMENSIONAL TURBULENCE ON A ROTATING SPHERE WITH HIGH-RESOLUTION SPECTRAL MODEL. Keiichi Ishioka, University of Tokyo, Tokyo, Japan; and M. Yamada, Y. Y. Hayashi, and S. Yoden
4:48 PM13.12 PAPER WITHDRAWN
5:00 PM13.13 ANISOTROPIC SPECTRA IN TWO-DIMENSIONAL TURBULENCE ON A ROTATING SPHERE. Boris Galperin, University of South Florida, St. Petersburg, FL; and H. P. Huang and S. Sukoriansky
5:12 PM13.14 PARAMETRISATION OF SUBGRID SCALE MOTION AND REDUCED MODELS BASED ON APPROXIMATE INERTIAL MANIFOLDS. Frank Kwasniok, Institut fuer Atmosphaerenphysik an der Universitaet Rostock, Kuehlungsborn, Germany; and G. Schmitz
5:24 PMSESSIONS END FOR THE DAY
FRI 11 JUNE
8:30 AMSESSION 14: TRACERS AND MIXING
   Chairperson: Tim Hall, NASA/GISS, New York, NY
8:30 AM14.1 MIXING IN STRONGLY STRATIFIED FLUIDS AS A RANDOM WALK. Jacques Vanneste, University of Edinburgh, Edinburgh, United Kingdom
8:42 AM14.2 POTENTIAL VORTICITY MIXING IN HURRICANES. Wayne H. Schubert, Colorado State University, Fort Collins, Colorado; and M. T. Montgomery
8:54 AM14.3 MANIFOLD GEOMETRY AND MIXING IN LARGE-SCALE ATMOSPHERIC FLOWS. Kenneth P. Bowman, Texas A&M University, College Station, TX
9:06 AM14.4 MIXING OF AN ADVECTED-DIFFUSED TRACER IN THE LOWER STRATOSPHERE: PROBABILITY DISTRIBUTION FUNCTIONS OF TRACER GRADIENTS AND DIFFERENCES. Yongyun Hu, University of Chicago, Chicago, IL; and R. T. Pierrehumbert
9:18 AM14.5 SPATIALLY INHOMOGENEOUS RANDOM ADVECTION. Keith Ngan, University of Chicago, Chicago, IL; and R. T. Pierrehumbert
9:30 AM14.6 A GLOBAL VIEW OF ISENTROPIC TRANSPORT AND MIXING IN THE ATMOSPHERE. Emily Shuckburgh, University of Cambridge, Cambridge, United Kingdom; and P. H. Haynes
9:42 AM14.7 BARRIERS TO TRANSPORT IN DYNAMICALLY CONSISTENT FLOWS. David Poet, University of Cambridge, Cambridge, United Kingdom; and P. H. Haynes
9:54 AM14.8 DYNAMICS AND TRANSPORT WITHIN EQUATORIAL WESTERLEY DUCTS. Darryn W. Waugh, Johns Hopkins University, Baltimore, MD; and L. M. Polvani
10:06 AMCOFFEE BREAK
10:40 AMSESSION 14: TRACERS AND MIXING (CONTINUED)
   Chairperson: R. Alan Plumb, MIT, Cambridge, MA
10:40 AM14.9 MODELS TO EXPLAIN LOWER STRATOSPHERIC TRACER SPECTRA. Peter H. Haynes, University of Cambridge, Cambridge, United Kingdom; and J. Vanneste
10:52 AM14.10 ASYMMETRIC TRANSPORT AND ANOMALOUS DIFFUSION IN THE STRATOSPHERE. Kyong-Hwan Seo, Texas A&M University, College Station, TX; and K. P. Bowman
11:04 AM14.11 THE EVOLUTION OF PV FILAMENTS COMPARED TO PASSIVE TRACERS IN SIMPLE SHEAR AND STRAIN FLOWS. J. Gavin Esler, University of Cambridge, Cambridge, United Kingdom; and L. M. Polvani and R. A. Plumb
11:16 AM14.12 STRUCTURE AND TRANSPORT PROPERTIES OF JETS IN A THREE-DIMENSIONAL QUASIGEOSTROPHIC MODEL, WITH APPLICATIONS TO THE TROPOPAUSE. Michael Greenslade, University of Cambridge, Cambridge, United Kingdom
11:28 AM14.13 CHAOTIC MIXING IN QUASI-PERIODIC FLOWS OF AN IDEALIZED CIRCUMPOLAR VORTEX OF THE STRATOSPHERE. Ryo Mizuta, Kyoto University, Kyoto, Japan; and S. Yoden
11:40 AM14.14 WHERE IN THE MIDDLE ATMOSPHERE IS CHAOTIC ADVECTION RELEVANT?. Theodore G. Shepherd, University of Toronto, Toronto, ON, Canada; and J. Koshyk and K. Ngan
12:02 PMGRADUATE STUDENT PAPER AWARDS
12:15 PMCONFERENCE ENDS