27 Years of Regional Cooperation for Limited Area Modelling in Central Europe

Author:

Wang Yong1,Belluš Martin2,Ehrlich Andrea1,Mile Máté3,Pristov Neva4,Smolíková Petra5,Španiel Oldřich2,Trojáková Alena5,Brožková Radmila5,Cedilnik Jure4,Klarić Dijana6,Kovačić Tomislav6,Mašek Ján5,Meier Florian1,Szintai Balázs3,Tascu Simona7,Vivoda Jozef2,Wastl Clemens1,Wittmann Christoph1

Affiliation:

1. Zentralanstalt für Meteorologie und Geodynamik, Vienna, Austria

2. Slovak Hydrometeorological Institute, Bratislava, Slovakia

3. Hungarian Meteorological Service, Budapest, Hungary

4. Meteorology and Hydrology Office, Slovenian Environment Agency, Ljubljana, Slovenia

5. Czech Hydrometeorological Institute, Prague, Czech Republic

6. Meteorological and Hydrological Service, Zagreb, Croatia

7. National Meteorological Administration, Bucharest, Romania

Abstract

AbstractThis paper describes 27 years of scientific and operational achievement of Regional Cooperation for Limited Area Modelling in Central Europe (RC LACE), which is supported by the national (hydro-) meteorological services of Austria, Croatia, the Czech Republic, Hungary, Romania, Slovakia, and Slovenia. The principal objectives of RC LACE are to 1) develop and operate the state-of-the-art limited-area model and data assimilation system in the member states and 2) conduct joint scientific and technical research to improve the quality of the forecasts.In the last 27 years, RC LACE has contributed to the limited-area Aire Limitée Adaptation Dynamique Développement International (ALADIN) system in the areas of preprocessing of observations, data assimilation, model dynamics, physical parameterizations, mesoscale and convection-permitting ensemble forecasting, and verification. It has developed strong collaborations with numerical weather prediction (NWP) consortia ALADIN, the High Resolution Limited Area Model (HIRLAM) group, and the European Centre for Medium-Range Weather Forecasts (ECMWF). RC LACE member states exchange their national observations in real time and operate a common system that provides member states with the preprocessed observations for data assimilation and verification. RC LACE runs operationally a common mesoscale ensemble system, ALADIN–Limited Area Ensemble Forecasting (ALADIN-LAEF), over all of Europe for early warning of severe weather.RC LACE has established an extensive regional scientific and technical collaboration in the field of operational NWP for weather research, forecasting, and applications. Its 27 years of experience have demonstrated the value of regional cooperation among small- and medium-sized countries for success in the development of a modern forecasting system, knowledge transfer, and capacity building.

Publisher

American Meteorological Society

Subject

Atmospheric Science

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