aladin/arome workshop preliminary conclusions of the joint meeting of cssi and lsmg 11-12 april,...
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1ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
JOINT MEETING OF CSSI and JOINT MEETING OF CSSI and LSMG LSMG
ANDRÁS HORÁNYIANDRÁS HORÁNYI
Hungarian Meteorological Service Hungarian Meteorological Service
2ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
CSSICSSI
• Coordinators for Scientific and Strategic IssuesCoordinators for Scientific and Strategic Issues• Mandate from the Assembly of PartnersMandate from the Assembly of Partners• Members: Members: L. GerardL. Gerard (Be), R. Brozkova (Cz), (Be), R. Brozkova (Cz), D. D.
GiardGiard (F), (F), A. HorányiA. Horányi (H), (H), A. MokssitA. Mokssit (Mo), (Mo), D. D. BanciuBanciu (R) (R)
• Tasks: coordination, establish priorities, survey Tasks: coordination, establish priorities, survey relations with other SRNWP groups, follow relations with other SRNWP groups, follow AROME projectAROME project
• Actions: meetings (Budapest, de Bilt), proposal of Actions: meetings (Budapest, de Bilt), proposal of new type of coordination, participation on CIPNnew type of coordination, participation on CIPN
3ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
LSMGLSMG
• LACE (Scientific) Management GroupLACE (Scientific) Management Group• Members: Working Group Leaders (Members: Working Group Leaders (G. BölöniG. Bölöni, , P. P.
SmolikovaSmolikova, , T. HaidenT. Haiden), ALADIN Source Code ), ALADIN Source Code Coordinator (O. Spaniel), Data Manager (S. Coordinator (O. Spaniel), Data Manager (S. Ivatek-Sahdan). Project Leader (Ivatek-Sahdan). Project Leader (D. KlaricD. Klaric))
4ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
TOPICS OF DISCUSSIONS (physics)TOPICS OF DISCUSSIONS (physics)
• Problematics of physics in view of AROME Problematics of physics in view of AROME (timestep organisation, diabatic forcing, convection (timestep organisation, diabatic forcing, convection scheme, problems related to the „grey zone”, physics-scheme, problems related to the „grey zone”, physics-dynamics interface, first preliminary results, etc.)dynamics interface, first preliminary results, etc.)
– How to coordinate the different developments (ALADIN, How to coordinate the different developments (ALADIN, meso-NH, AROME) for a smooth convergence?meso-NH, AROME) for a smooth convergence?
– How to maintain and merge the different versions?How to maintain and merge the different versions?
5ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
TOPICS OF DISCUSSIONS (data assimilation)TOPICS OF DISCUSSIONS (data assimilation)
• „„Upscaling/downscaling” difficulties, cost issues, Upscaling/downscaling” difficulties, cost issues, longer range plans for 4d-var, new observations)longer range plans for 4d-var, new observations)
– How to distribute (share) the development work (AROME How to distribute (share) the development work (AROME and ALADIN)?and ALADIN)?
– How the coordination between the two teams would be How the coordination between the two teams would be ensured (more general)?ensured (more general)?
6ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
TOPICS OF DISCUSSIONS (coupling and dynamics)TOPICS OF DISCUSSIONS (coupling and dynamics)
• Coupling (progress at HIRLAM for revisiting the Coupling (progress at HIRLAM for revisiting the Davies scheme, two-way coupling)Davies scheme, two-way coupling)
– How to tackle the revisit of coupling strategy?How to tackle the revisit of coupling strategy?
• Non-hydrostatic dynamics (robust NH dynamics, Non-hydrostatic dynamics (robust NH dynamics, „chimney” problem)„chimney” problem)
– No real obstacles foreseen, common for ALADIN and No real obstacles foreseen, common for ALADIN and AROMEAROME
7ALADIN/AROME workshop
Preliminary conclusions of the joint meeting of CSSI and LSMG
11-12 April, 2003, Prague
TOPICS OF DISCUSSIONS (general)TOPICS OF DISCUSSIONS (general)
• Upscaling or downscaling (2-3 km to 10 km or Upscaling or downscaling (2-3 km to 10 km or reverse)? reverse)?
• Cost issue (driven by physics, but applying Cost issue (driven by physics, but applying everywhere)?everywhere)?
• Maintenance, phasing (who, when)??Maintenance, phasing (who, when)??