1 July - 19 December 1996

**Organisers**:JCR Hunt (*UK Meteorological Office*), ME McIntyre (*Cambridge*), J Norbury (*Oxford*), I Roulstone (*UK Meteorological Office*)

(t.b.a. = to be advised; t.b.c. = to be confirmed.)

A selection of abstracts is available in LaTeX or gzipped Postscript

11:00-12:00 **JCR Hunt** (UKMO)

*Some Anticipated Contributions of Mathematical and Dynamical Research to Numerical Weather Prediction*

1:30-3:00 **AA White and T Davies** (UKMO)

*Atmospheric Dynamics: Overview and Introduction to Potential Vorticity Ideas*

3:30-5:30 **ME McIntyre** (Cambridge)

*Hamiltonian and Non-Hamiltonian Approaches to Balance and Potential Vorticity Inversion*

9:30-12:00 **TG Shepherd** (Toronto)

*Hamiltonian Structure, Symmetry-Based Metatheory, and Fast and Slow Degrees of Freedom: Recent Advances and Future Challenges*

2:00-4:30 **O Talagrand** (LMD)

*Assimilation of Meteorological and Oceanographical Observations. A Few Outstanding Problems, and Future Perspectives*

9:30-12:00 **DD Holm** (Los Alamos)

*Hamiltonian Geophysical Fluid Dynamics -- Wave Mean Flow Interaction in Shallow Water Dynamics*

Afternoon Free

9:30-12:00 **MJP Cullen** (UKMO)

*New Mathematical Developments in a Lagrangian View of Weather Prediction*

2:00-3:00 **NK Nichols** (Reading)

*Data Assimilation and Control Theory*

3:30-4:30 **C Leith** (Lawrence Livermore)

*The Chaotic History of the Slow Manifold*

9:30-10:30 **GR Burton** (Bath)

*Rearrangements and Ideal Fluids*

11:00-12:00 **RJ Douglas** (Newton Institute)

*New Mathematical Tools for the Lagrangian Description of Atmospheric Dynamics*

2:00-3:00 **R Ford** (Imperial)

*Vortex-Gravity-Wave Interaction and the Limitations of "Balanced" Dynamics*

9:30-12:00 **MJ Sewell** (Reading and UKMO)

*Applications of Transformation Theory in Fluid Mechanics*

2:00-3:00 **GK Vallis** (UCSC)

*Potential Vorticity Dynamics from the Global-Scale to the Mesoscale*

9:30-12:00 **TN Palmer** (ECMWF)

*Singular Vectors and Predictability of the Atmosphere and Oceans from Days to Decades*

2:00-4:30 **PJ Morrison** (Austin)

*The Hamiltonian Description of the Ideal Fluid I*

9:30-12:00 **R McLachlan** (Massey)

*Preserving Structure in Time Integration*

Afternoon Free

9:30-10:30 **t.b.a.**

11:00-12:00 **I Szunyogh** (ELU)

*Structure Preserving Truncation Strategies: Practical Implications*

2:00-4:30 **PJ Morrison** (Austin)

*The Hamiltonian Description of the Ideal Fluid II*

9:30-10:30 **MT Montgomery** (CSU)

*Vortex Rossby Waves: Kinematics and Wave-Mean-Flow Interaction*

11:00-12:00 **B Nicolaenko** (ASU)

*Operator Splitting, Global Regularity and Integrability of Rotating and Stratified 3D Euler Equations*

2:00-3:00 **A Mahalov** (ASU)

*Phase Turbulence in 3D Rotating and Stratified Geophysical Flows*

9:30-10:30 **R Salmon** (Scripps)

t.b.a.

2:00-3:00 **VG Bondarevsky** (Minnesota) (t.b.c.)

*3D Navier-Stokes Equations: Global Regularity Problem, Attractors, and Turbulence*

9:30-10:30 **Y Brenier** (Paris VI)

*Mathematical Theory of Oscillatory Singular Limits in Fluid Mechanics Equations*

2:00-4:30 **PJ Morrison** (Austin)

*The Hamiltonian Description of the Ideal Fluid III*

9:30-10:30 **WH Schubert** (CSU)

*Semi-Geostrophic Theory on the f-plane, -plane, and Sphere*

Afternoon Free

9:30-10:30 **Y Brenier** (Paris VI)

*Some Aspects of the Geometric Description of Ideal Incompressible Fluids*

11:00-12:00 **T Ratiu** (UCSC)

*Euler Equations in Thin Domains*

2:00-4:30 **PJ Morrison** (Austin)

*The Hamiltonian Description of the Ideal Fluid IV*

t.b.a.