In the present study foehn clearance is described and compared with strong downslope windstorms like the foehn and chinook. The comparison is based on surface and satellite data taken during foehn north of the Alps in southern Bavaria and during chinook east of the Rocky Mountains. The mesoscale features of foehn clearance are shown in terms of temperature, humidity, cloudiness, and wind. A statistic of the occurrence of foehn and chinook is used to estimate the frequency of foehn clearance.

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