Southern Foehn in the Swiss Alps

40 13
Martin Wegmann
University of Bern, Bern, Switzerland

Looking south over the Lötschen valley at the northern faces of the local mountains, we can see the clouds accumulating at the orographic barrier that is the mountain range, then dissolving while crossing or flowing over the obstacle. That day the flow direction was from south to north with precipitation on the southern flanks of the Alps and MeteoSwiss communicated high wind warnings for high alpine locations.

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Type Image Format JPG Size 2.4 MB Width 4032 px Height 3024 px Aspect 4:3 Brand Google Model Pixel 5 Exposure 4 mm f/1.7 1/23256 s ISO 100 Taken 8 March 2024 Coordinates 46.4258, 7.7584 Tint Moderate blue Submitted 13 March 2024

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