OA25 Developments in weather forecasting I

Convener: Gustafsson, N.
Co-Convener(s): Benard, P.
Monday, 20 April 1998
Lecture Room: THALIE

Chairperson: Gustafsson, N.

• 08:30 BENJAMIN, S.G.; BROWN, J.M.
  Forecasts from the 1-H assimilation cycle in the 40-km rapid update cycle
• 08:45 THERY, C.; DEFER, E.; SOLOMON, R.
  Numerical modelisation of storm dynamics, precipitation and electrisation
• 09:00 BAER, F.
  Improving time integration schemes in prediction models
• 09:15 LORRIMER, S.J.; MILTON, S.F.
  Enhanced resolution in the UK Meteorological Office operational NWP system
• 09:30 FOX-RABINOVITZ, M.; STENCHIKOV, G.; SUAREZ, M.; TAKACS, L.; GOVINDARAJU, R.
  A variable resolution stretched grid dynamical core of a finite-difference GCM with a real orography: long-and-medium-term integrations
• 09:45 MAKIN, V.; PEROV, V.
  On the wind speed dependence of momentum, sensible heat and moisture exchange coefficients over sea in the 3-D HIRLAM
• 10:00 BEST, M.J.
  Representing urban areas in numerical weather prediction models
• 10:15 WEDI, N.P.
  Advances in the coupling of physical parameterizations with the "dynamics" in a global NWP model

10:30 END OF PART I

17:00 Opening

19:30 Reception
 

OA25 Developments in weather forecasting II

Convener: Gustafsson, N.
Co-Convener(s): Benard, P.
Tuesday, 21 April 1998
Lecture Room: THALIE

Chairperson: Benard, P.

• 08:30 PEROV, V.; IVARSSON, K.-I.
  Implementation of the nonlocal vertical diffusion scheme based on E - eee approach in 3D HIRLAM
• 08:45 GUSTAFSSON, N.; LINDSKOG, M.; BERRE, L.; NAVASCUES, B.; HUANG, X.-Y.
  A 3-dimensional variational data assimilation for HIRLAM
• 09:00 HUANG, X.-Y.; GUSTAFSSON, N.; LINDSKOG, M.; BERRE, L.; NAVASCUES, B.
  A comparison between the HIRLAM OI and the HIRLAM 3DVAR systems
• 09:15 HUANG, X.-Y.; GUSTAFSSON, N.; KÄLLEN, E.; THORSTEINSSON, S.
  Simplified variational data assimilation techniques with a limited area model
• 09:30 DEE, D.; STAJNER, I.; RIISHOJGAARD, L.P.
  Estimation of anisotropic forecast error correlation parameters for the GEOS-DAS ozone assimilation system
• 09:45 FOX-RABINOVITZ, M.
  The impact of diabatic initialization of the stratospheric data assimilation
• 10:00 RIISHOJGAARD, L.P.
  An efficient method for estimating the error variance of a meteorological analysis
• 10:15 DEE, D.; RUKHOVETS, L.; DA SILVA, A.; LARSON, J.
  An adaptive buddy check for on-line quality control of observations

10:30 BREAK

Chairperson: Fox-Rabinovitz, M.S.

• 11:00 TODLING, R.; GUO, J.; RIISHOJGAARD, L.P.; DA SILVA, A.M.
  Estimating analysis errors with the physical-space statistical analysis system
• 11:15 NURMI, P.
  Any improvements or trends in the quality of final weather forecasts? - Results based on verifications over the past 20 years
• 11:30 MAISEY, P.E.
  On developments and performance of a site specific forecast model
• 11:45 TURRONI, E.; CORDOLA, M.; PELOSINI, R.; BONELLI, P.
  Meteorology for the 1997 world championship of alpine ski
• 12:00 PLAUT, G.
  French stations temperatures empirical forecasting at several time scales using space-time principal components
• 12:15 ADEM, J.; MENDOZA, V.M.; RUIZ, A.; VILLANUEVA, E.E.; GARDUNO, R.
  Progress in seasonal weather prediction with a thermodynamic model
• 12:30 BUIZZA, R.; MILLER, M.; PALMER, T.N.; ISAKSEN, L.
  Simulating model uncertainties in ensemble prediction
• 12:45 TOTH, Z.; ZHU, Y.; IYENGAR, G; MARCHOK, T.; KALNAY, E.
  On the relative merits of increasing model resolution vs. running an ensemble

13:00 END OF SESSION
 

OA25 Developments in weather forecasting - Poster Session

Convener: Gustafsson, N.
Co-Convener(s): Benard, P.
Display Time: Monday, 09:00 - Friday, 13:00
Authors in Attendance: Tuesday, 17:00 - 19:00
Poster Area: LES MUSES

Chairperson: Benard, P.

• OA319 ANDREJCZUK, M.
  Modelling of mesoscale phenomena on parallel and vector computer
• OA320 LINDSKOG, M.; ENGARDT, M.
  the performance of the HIRLAM model in the tropics and sulphur transport studies based on its forecasts
• OA321 MELONEK, M,; JAKUBIAK, B.
  Implementation of the MOS technique for improved mesoscale forecasts
• OA322 READ, P.L.; THOMAS, N.P.J.
  Validation of numerical advection schemes via simulations of baroclinically unstable flow in the laboratory
• OA323 KLINGSPOHN, M.; MÖLDERS, N.; RAABE, A.
  Testing of an explicit subgrid-scheme within the Deutschland-Model
• OA324 LINDH, O.; NILSSON, S.
  RIPP; a new forecast production system for increased efficiency and automatization in Sweden
• OA325 BRUNET, G.; RITCHIE, H.; WANG, R.; BOER, G.; ZWIERS, F.; SHENG, J.; PLANTE, A.; GAGNON, N.; VAUTARD, R.; PLAUT, G.; DEROME, J.
  A multi-model hybrid approach to seasonal prediction: optimising a probalistic forecast