1. 1 00/XXXX © Crown copyright COST-717: “Use of radar observations in hydrological and NWP models” www.smhi.se/cost717 –Austria –Belgium –Cyprus –Czech Republic –Denmark –Finland –France –Germany –Greece –Hungary –Ireland –Italy –Netherlands –Norway –Poland –Portugal –Slovenia –Spain –Sweden –Switzerland –UK 21 European nations involved, 1999-2004

2. 2 00/XXXX © Crown copyright COST-717 Working Groups  … in hydrological models  … in validation and verification of atmospheric models  … for assimilation into atmospheric models Using radar information

3. 3 00/XXXX © Crown copyright European Weather Radars www.chmi.cz/OPERA/

4. 4 00/XXXX © Crown copyright Radar networking in Europe

5. 5 00/XXXX © Crown copyright COST-717 achievements and goals bringing radar and modelling communities together – nationally and across Europe convincing radar community of the significance of NWP as a customer convincing NWP community of quantitative potential of radar – hence TODAY!

6. 6 00/XXXX © Crown copyright COST-717 achievements and goals - 2 interaction with OPERA: future importance of continental scale real-time exchange of radar data for NWP –extra momentum to the operational availability of wind profiles highlighting value of NWP output to improve radar-based QPE stimulating radar activities in countries where radar newly available scientific exchange through short term missions

7. 7 00/XXXX © Crown copyright Publications Quality and assimilation of radar data for NWP (EUR 20600, 2003) (copies available here) Weather Radar: Principles and Advanced Applications –Series: Physics of Earth and Space Environments –Meischner, Peter (Ed.) –Springer 2003, Approx. 340 p., Hardcover –ISBN: 3-540-00328-2 – Due 1 st October!

8. 8 00/XXXX © Crown copyright plan for session surveys from SRNWP consortia –radar for verification, validation, assimilation latest science developments discussion –where are we? –where do we want to go? –how can we collaborate more effectively?