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Foehn chart for Vienna

West foehn in Vienna

The west wind in the Vienna region is canalised along the Danube in Upper Austria and overflows the Vienna Woods. The strength can be estimate by considering the difference of the air pressure between the Inn-area in Oberösterreich and the Burgenland. Statistical evaluation shows that the difference of the air pressure has to be at least 4 hectopascal, to have strong winds in a large area.