World Weather Research Programme
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Mesoscale Weather Forecasting Research

Mission of the Working Group on MWFR

To promote, organize and/or endorse end-to-end weather research and development projects (RDPs) including understanding or weather processes, improving forecasting techniques and the utility of forecast information with an emphasis on high-impact weather.





Working Group Members

Chairperson: J. Onvlee (Netherlands)

V. Wulfmeyer (Germany)

M. Rotach (Switzerland)

Y. Duan (China)

D. Barker (USA)

S. Belair (Canada)

K. Saito (Japan)

Recent Meetings


Second Meeting of the Working Group on Mesoscale Weather Forecasting Research (TOKYO, Japan, 17-18 March 2008)

Meeting of the WMO/CAS Working Group on Mesoscale Weather Forecasting Research (DUBROVNIK, Croatia, 10 October 2007)



On-going Activities/Projects

Convective and Orographically induced Precipitation Study (COPS)

Demonstration of Probabilistic Hydrological and Atmospheric Simulation of flood Events in the Alpine region (MAP D-PHASE)

Mesoscale Alpine Programme (MAP)

Upcoming Activities

Third Meeting of the Working Group on Mesoscale Weather Forecasting Research (tentative: SHANGHAI, China, October 2008)


From May 16-19 2008, the second D-PHASE scientific meeting will be held in Bologna, Italy, in conjunction with a midterm meeting of COST action 731 (Uncertainty Propagation in Meteo-Hydrological Forecasting Systems). D-PHASE is a WWRP Forecast Demonstration Project to demonstrate the advances that were made in forecasting heavy precipitation events and related flash floods in the Alps as a result of the Mesoscale Alpine Programme (MAP). During the D-PHASE Operations Period from June to November 2007 more than 30 high-resolution probabilistic and deterministic atmospheric and hydrological forecast models were operated together with nowcasting tools to serve the needs of more than 60 end users. Key element of success was the common formats and evaluation programmes used on all the models in order to issue comparable precipitation and runoff warnings for a large number of catchments all over the Alps.




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