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On the Integrability of Limited-Area Numerical Weather Prediction Model ALADIN over Extended Time Periods |
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| Authors: | Huth Radan Mládek Richard Metelka Ladislav Sedlák Pavel Huthová Zuzana Kliegrová Stanislava Kyselý Jan Pokorná Lucie Halenka Tomá? Janou?ek Martin |
| Institution: | (1) Institute of Atmospheric Physics, Acad. Sci. Czech Rep., Bo ní II/1401, 141 31 Prague 4, Czech Republic;(2) Czech Hydrometeorological Institute, Prague, Czech Republic;(3) Czech Hydrometeorological Institute, Regional branch Hradec Králové, Czech Republic;(4) Dept. of Meteorology and Environment Protection, Charles University, Prague, Czech Republic |
| Abstract: | This note summarizes results of the first integration of regional numerical weather prediction model ALADIN in a climate mode. The ALADIN model, developed in an international cooperation led by Météo France, is operationally used for weather prediction. The grid step of the model is 12 km; the integration domain covers a major part of Europe. A one-month-long run has been performed with this model on observed boundary conditions (represented by assimilations by the global model ARPEGE). It is demonstrated that no excessive error is generated and accumulated in the model during the integration; hence the model is integrable for extended time periods and may serve a basis for a development towards a regional climate model. |
| Keywords: | regional climate modelling model validation limited-area model ALADIN spin-up period |
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