Poster Presentation COSMO General Meeting 2009.

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Presentation transcript:

Poster Presentation COSMO General Meeting 2009

Posters … F. Di Giuseppe, G. Bonafè, L. Caporaso, M. Petitta Introduction to the BASE:ALFA project Marie Müllner, Guy de Morsier Tuning the horizontal diffusion in the COSMO model Susanne Theis An Ensemble Prediction System based on COSMO-DE Elena Oberto, Massimo Milelli Precipitation verification comparison in 2008/2009 among the several COSMO- Model versions Gdaly Rivin, Inna Rozinkina COSMO-RU Today

Tuning the horizontal diffusion in the COSMO model Poster from Marie Müllner, Guy de Morsier The problem: Tests of modified diffusion: no changes at boundaries (new nl: hd_corr_bd_x) possibility to have a different (small) diffusion in the inside of the domain with a smooth transition do not diffuse pressure (new nl: hd_corr_in_p) COSMO-7 CFL & wind on level 33 Power spectra of the kinetic energy of COSMO-2 for different horizontal diffusion experiments wave length COSMO-7 only u,v,w: 0.25 COSMO-2 only u,v,w: 0.15 wave number

An Ensemble Prediction System Deutscher Wetterdienst based on COSMO-DE Susanne Theis, Christoph Gebhardt, Michael Buchhold, Marcus Paulat, Roland Ohl, Zied Ben Bouallègue, Carlos Peralta Deutscher Wetterdienst

Precipitation verification comparison in 2008/2009 among the several COSMO-Model versions (Elena Oberto, Massimo Milelli - ARPA Piemonte)

Hydrometeorological centre of Russian Federation COSMO-RU07 h = 7 км Initial data for 00 и 12 UTC, 78 h forecasts h = 7 km Grid: 701 * 621 * 40 SGI Altix 4700 (1664 cores) (832 processors Itanium, 64-bit, 3,3 Tb memory) Run time 33 min: 512 cores (16x32) 19 min: 1024 cores (32x32) h = 2.8 km COSMO-RU07 - domain Hydrometeorological centre of Russian Federation 7