I. MONDAY AM Intro/measurements/programs, (Chair: Collins)

8:30 - 8:40

Welcoming remarks (Summers and Siskind)

8:40 - 9:05

J. Russell, E. E. Remsberg, INVITED, Observations of Dynamical and Solar Coupling in the Mesosphere and Stratosphere Provided by HALOE Observations   [Abstract]

9:05 - 9:30

K. U. Grossmann INVITED, Some Early Results from the CRISTA Missions [Abstract]

9:30 - 9:55

G. Nedoluha, R. M. Bevilacqua, R. M. Gomez, B. C. Hicks, J. M. Russell III, INVITED, Observations of Middle Atmospheric Water Vapor [Abstract]

9:55 - 10:20

Break

10:20 - 10:45

C. Gardner INVITED, The Starfire/TIMED Instrument Cluster for Studying Dynamical Coupling in the Middle Atmosphere [Abstract]

10:45 - 11:10

D. Sentman, M. J. Heavner (Heavner presenting), D. R. Moudry, E. M. Wescott, C. L. Siefring, J. S. Morrill, E. J. Bucsella INVITED, Sprites: Visible Transport of Energy Across the Stratopause [Abstract]

11:10 - 11:35

J. Gille and J. Barnett, INVITED, Contributions of HIRDLS to Mesospheric Research [Abstract]

11:35 - 12:00

R. Roble, INVITED, On the Need for a Global Dynamic Model of the Entire Atmosphere for Investigating Couplings Between Regions and Solar-Terrestrial Interactions [Abstract]

II. MONDAY PM Chemical processes (Chair: Summers)

1:30 - 2:15

R. Salawitch, INVITED TUTORIAL, Upper Stratospheric and Lower Mesospheric Photochemical Processes [Abstract]

2:15 - 2:40

R. R. Conway, M. H. Stevens, M. E. Summers, D. E. Siskind, J. G. Cardon, INVITED, MAHRSI Observations of the "OH Stratopause" [Abstract]

2:40 - 3:05

K. W. Jucks, D. G. Johnson, W. A. Traub, K. V. Chance, R. J. Salawitch, INVITED, Photochemical Partitioning of HOx and NOy in the Middle and Upper Stratosphere at Mid and High Latitudes [Abstract]

3:05 - 3:35

Break

3:35 - 4:00

K. Minschwaner and C. Burnett, INVITED, Hydroxyl Abundance Measurements over the Past two Decades: Interpretation and Unsolved Mysteries [Abstract]

4:00 - 4:15

B. Sandor and R. Clancy, HDO Measurements in the Mesosphere and Implications for Hydrogen Chemistry [Abstract]

4:15 - 4:30

J. Yee, B. DeMajistre, D. Kupperman, J. F. Carbary, F. Morgan, R. J. Vervack, Jr., D. Morrison, G. J. Romick, D. E. Anderson, L. J. Paxton, C. I. Meng, C. K. Kumar, Nightime Ozone Profiles Measured by MSX/UVISI Using Stellar Occultation Technique [Abstract]

4:30 - 4:45

R. A. Copeland, E. S. Hwang, K. Knutsen, G. Buijsse, T. G. Slanger, Solar Photo-Excitation of the O2 Herzberg States, and Possible Mesospheric Consequences [Abstract]

5:00

RECEPTION

III. TUESDAY AM Energetics (Chairs: Mlynczak, Hood)

8:45 - 9:30

M. Mlynczak, INVITED TUTORIAL, A Contemporary Assessment of the Mesospheric Energy Budget [Abstract]

9:30 - 9:55

L. Hood, INVITED, Upper Stratospheric Effects of Solar UV Variability on the 27-day and 11-year Time Scales [Abstract]

9:55 - 10:20

M. Lopez-Puertas, INVITED, Non-LTE Processes in the Atmosphere as Diagnosed from UARS Data [Abstract]

10:20 - 10:50

Break

10:50 - 11:15

D. Zhou, M. G. Mlynczak, M. Lopez-Puertas, INVITED, Non-LTE Evidence in Mesospheric 9.6 um Ozone and 6.3 um Water Vapor Observed by CIRRIS 1a [Abstract]

11:15 - 11:40

C. Mertens, INVITED, A Detailed Evaluation of the Stratospheric Heat Budget Derived from UARS and LIMS Data [Abstract]

11:40 - 11:55

X. Zhu, Numerical Modeling of Chemical-Dynamical Coupling in the Upper Stratosphere and Mesosphere [Abstract]

IV. TUESDAY PM Dynamics I (Chairs: Smith, Zhu)

1:30 - 2:15

J. R. Holton, INVITED TUTORIAL, Dynamics and Transport in the Middle Atmosphere [Abstract]

2:15 - 2:40

R. R. Garcia, INVITED, The Role of Equatorial Waves Forced by Convection in the Dynamics of the Middle Atmosphere [Abstract]

2:40 - 3:05

K. Hamilton, INVITED, Spontaneous Long-Period Variability in GCM Simulations of the Middle Atmosphere: Role of Low-Latitude Momentum and Tropospheric Variability [Abstract]

3:05 - 3:35

Break

3:35 - 3:50

R. B. Pierce, W. L. Grosse, J. A. Al-Saadi, T. D. Fairlie, R. S. Eckman, Dynamical Climatology of the NASA Langley Interactive Modeling Project for Atmospheric Chemistry and Transport (IMPACT) Model [Abstract]

3:50 - 4:05

W.E. Ward, and R. Roble, Dynamical and Constituent Structures in the Mesosphere: Insights from the TIME-GCM [Abstract]

4:05 - 4:20

R. S. Lieberman, Comparison of Residual Meridional Winds with HRDI and Radar Winds [Abstract]

4:20 - 4:35

D. Offerman, H. H. Graef, M. Donner, K. Hamilton, Downward Control in the Stratosphere and Mesosphere: Indications from Longterm Measurements of Temperature and Wave Activity [Abstract]

4:35 - 4:50

V.A. Yudin, L. Wang, M. A. Geller, Annual and Interannual Variability of Tides and Their Effects in the MLT Region: Mechanistic Model Interpretation of the UARS Wind, Temperature and Airglow Measurements [Abstract]

V. WEDNESDAY AM Dynamics II (Chairs: Alexander, Swenson)

8:45 - 9:10

R. Vincent, INVITED, Gravity Wave Variability in the Equatorial Mesosphere and Coupling with the Lower Atmosphere [Abstract]

9:10 - 9:35

D. C. Fritts, INVITED, Instability Dynamics and Mixing Due to Gravity Waves in the Lower and Middle Atmosphere [Abstract]

9:35 - 9:50

G. Crowley, G. Thomas, R. Roble, J. Olivero, Modeling the Thermal Structure and Dynamics of the Summer Mesosphere [Abstract]

9:50 - 10:05

M. E. Hagan and R. Roble, Diurnal Tidal Excitation and Propagation in the Flux Coupled NCAR-CCM/TIME-GCM [Abstract]

10:05 - 10:35

Break

10:35 - 10:50

J. Oberheide, W. E. Ward, M. Riese, P. Preusse, D. Offermann, Dynamic Signatures in Temperature and Azone in CRISTA Data [Abstract]

10:50 - 11:05

G. A. Lehmacher, P. Preusse, J. Oberheide, D. Offermann Large-scale Mesospheric Dynamics Observed in CRISTA Temperature and Trace Gas Data [Abstract]

11:05 - 11:20

J. F. Kafkalidis, D. R. Marsh, D. A. Ortland, The Global Pattern of Mesospheric Temperature Inversions Observed by HRDI [Abstract]

11:20 - 11:35

T.J Duck, J. A. Whiteway, A. I. Carswell, High Arctic Observations of Stratospheric Warming and Gravity Wave Activity [Abstract]

11:35 - 11:50

R.J. Sica, Measurements of Energy Dissipation and Eddy Diffusion by a Gravity Wave Using the Purple Crow Lidar [Abstract]

VI. WEDNESDAY PM IS POSTERS 1 - 6 pm

36 POSTERS - Alphabetical listing:

M. J. Alexander, R. A. Vincent, Gravity Waves in the Tropical Lower Stratosphere: Observations and Model Studies of Their Effects in the Middle Atmosphere [Abstract]

D. Broutman, S. Eckermann, Interactions Among Long and Short Internal Gravity Waves [Abstract]

C. Bryant, P. S. Argall, R. J. Sica, R. M. Hoff, Measurement of Water Vapor Mixing Ratios Using the Purple Crow Raman-scattering Lidar [Abstract]

B. A. Burns, SSMIS: A New Source of Middle Atmospheric Temperature Profiles [Abstract]

T. P. Canty, K. Minschwaner, A Study of Model Comparisons to Observed OH Column Densities [Abstract]

R. T. Clancy, B. J. Sandor, Mesospheric HCN: Initial Measurements and Implications for Dynamics and Chemistry [Abstract]

R. L. Collins, J. Breese, T. Itabe, K. Mizutani, Lidar Studies of the Arctic Stratosphere and Mesosphere [Abstract]

S. Eckermann, D. Broutman, Global Modeling of Gravity Wave Fluxes Across the Stratopause [Abstract]

C. R. Englert, B. Schimpf, M. Birk, M. E. Summers, Measurement of Middle Atmospheric OH With the Improved 2.5 THz Heterodyne Spectrometer THOMAS: Comparison With Photochemical Models [Abstract]

A. J. Gerrard, T. J. Kane, J. P. Thayer, Variability in the Temperature Structure of the Middle Atmosphere at Arctic Latitudes [Abstract]

A. J. Gerrard, T. J. Kane, J. P. Thayer, Observations of Atmospheric Waves in the Middle Atmosphere at Arctic Latitudes: Seasonal Comparisons [Abstract]

D. E. Gibson-Wilde, Small-scale Dynamics in the Stratopause Region [Abstract]

J. U. Gross, R. Muller, G. Becker, D. S. McKenna, P. J. Crutzen, The Upper Stratospheric Ozone Budget: An Update of Calculations Based on HALOE Data [Abstract]

M. J. Heavner, D. R. Moudry, D. D. Sentman, E. M. Wescott, C. L. Siefring, J. S. Morrill, E. J. Bucsela, Sprites, Jets, and Starters: Energetic Electrical Phenomena Occurring Above Thunderstorms [Abstract]

R. L. Herman, W. A. Robinson, S. J. Frankle, Quasi-two-day Wave Activity Across the Stratopause and Its Association With Gravity Wave Activity in the Mesosphere [Abstract]

J. B. Jeffries, Reaction Rate Coefficients of HO2+O and HO2+OH [Abstract]

C. K. Kumar, Spatial and Periodic Variations of NO and NO2 in the Lower Atmosphere [Abstract]

A. A. Kutepov, M. Kaufmann, K. Grossmann, Non-LTE Diagnostic of the CRISTA Radiances From the Stratosphere-Mesosphere [Abstract]

R. S. Lieberman, The Gradient Wind in the Mesosphere and Lower Thermosphere [Abstract]

H. G. Mayr, J. G. Mengel, K. L .Chan, H. S. Porter, C. A. Reddy, The Role of Gravity Waves in Generating Equatorial Oscillations and Modulating Atmospheric Tides [Abstract]

D. A. Ortland, T. Dunkerton, A Study of the Nonlinear Evolution of Symmetric Inertial Instability and the Resulting Redistribution of Mass and Momentum [Abstract]

W. D. Pesnell, R. A. Goldberg, D. L. Chenette, E. E. Gaines, C. H. Jackman, Energetic Electrons and Their Effects on Stratospheric and Mesospheric Ozone in May 1992 and Beyond [Abstract]

R. H. Picard, U. B. Makhlouf, J. R. Winick, R. G. Roble, Sensitivity and Variability in an OH Airglow Model [Abstract]

G. C. Reid, On the Layering of Meteoric Smoke Particles in the Upper Mesosphere by Dynamo Action [Abstract]

D. M. Riggin, T. Tsuda, Observations of Gravity Wave Fluxes and Turbulent Dissipation at the MU Radar Observatory, Japan [Abstract]

E. P. Shettle, G. E. Thomas, W. F. J. Evans, L. Chardon, J. J. Olivero, D. J. Debrestian, Satellite Observations of PMCs: Is there Evidence for Secular Changes? [Abstract]

D. E. Siskind, K. Hoppel, S. Eckermann, M. E. Summers, J. Eluskiewicz, Is the Upper Stratosphere CH4 Decrease Observed by HALOE From 1992-1995 a Post-Pinatubo Effect? [Abstract]

T. G. Slanger, J. Lacoursiere, P. C. Cosby, D. E. Osberbrock, B. R. Lewis, Oxygen/Ozone Studies of Relevance to the Mesosphere, From the Laboratory and the Nightglow [Abstract]

A. K. Smith, M. Riese, CRISTA Observations of Tracer Transport by Inertially Unstable Circulations [Abstract]

S. C. Solomon, Where is the Loss Cone? [Abstract]

M. E. Summers, R. R. Conway, D. E. Siskind, Odd-hydrogen Chemistry in the Mesosphere and Upper Stratosphere [Abstract]

G. R. Swenson, R. Haque, Studies of Monochromatic AGWs From Airglow in the Mesosphere [Abstract]

K.-A. Tan, S. Eckermann, D. Broutman, Numerical Studies of Mountain Waves in Unsteady Shear Winds [Abstract]

F. M. Vitt, C. H. Jackman, Energetic Charged Particle Component of the NOy Budget of the Polar Middle Atmosphere [Abstract]

W. E. Ward, M. Kowalski, D. Y. Wang, W. A. Gault, D., W. Tarasick, G. G. Shepherd, The Mesospheric Imaging Michelson Interferometer (MIMI): Observing the Dynamics and Energetics in the Mesosphere [Abstract]

J. O. Wise, R. D. Sharma, N. B. Wheeler, H. Dothe, J. Duff, Global Variation in the 2.7 mm NO Overtone Emission [Abstract]

VII. THURSDAY AM High latitude processes/couplings (Chairs: Jackman,Siskind)

8:45 - 9:10

R. Bevilacqua, INVITED, The Polar Ozone and Aerosol Measurement (POAM III): A New Instrument for Middle Atmospheric Research [Abstract]

9:10 - 9:25

C. Randall, R. M. Bevilacqua, D. W. Rusch, Stratospheric Effects of Descending Polar Mesospheric NOx Inferred from POAM [Abstract]

9:25 - 9:50

D. Siskind, INVITED, On the Transport of Auroral NO into the Stratosphere [Abstract]

9:50 - 10:15

L. Callis, INVITED, Mesospheric and Stratospheric Coupling by Descent of Odd Nitrogen Formed by Energetic Electron Precipitation [Abstract]

10:15 - 10:35

Break

10:45 - 11:00

D. Allen, N. Nadamura, J. L. Stanford, Observations of ISAMS CO in the Southern Hemisphere Late Fall and Early Winter 1992 [Abstract]

11:00 - 11:15

F. -J. Luebken, M. J. Jarvis, G. O. L. Jones, First In-situ Temperature and Wind Measurements in the Summer Stratosphere and Mesosphere at Antarctic Latitudes [Abstract]

11:15 - 11:40

D. Waugh, T. M. Hall, INVITED, Age of Middle Atmosphere Air [Abstract]

VIII. THURSDAY PM Long term variability (Chair: Olivero)

1:15 - 2:00

G. P. Brasseur, INVITED TUTORIAL, Global Changes in the Middle Atmosphere [Abstract]

2:00 - 2:25

W. Randel, INVITED, Low Frequency Variations Near the Stratopause Observed in HALOE Constituent Data and Temperature Data [Abstract]

2:25 - 2:40

J. She, D. A. Krueger, Observation of "Long-term" Temperature Change in a Midlatitude Mesopause Region [Abstract]

2:40 - 3:00

Break

3:00 - 3:25

R. S. Eckman, W. L. Grose, J. A. Al-Saadi, R. B. Pierce, T. D. Fairlie, INVITED, Long Term Chemical Modeling of the Middle Atmosphere: Results From the NASA/Langley IMPACT General Circulation Model [Abstract]

3:25 - 3:40

J. Rosenfield, A. R. Douglass, Increased CO2 Effects on Stratospheric Composition [Abstract]

3:30 - 4:30

DISCUSSION (S.Eckermann/M. Stevens)