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A meteorological phenomenon descended on the Swiss Alps on Monday and was caught in a spectacular time-lapse. The phenomenon is called a Foehn. Veuer’s Chloe Hurst has the story!

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00:00A meteorological phenomenon descended on the Swiss Alps on Monday and was caught in a spectacular
00:05time-lapse. According to Reuters, the phenomenon actually has a name and it's called a fern.
00:12It's something that happens when wind blows humid cold air masses perpendicular to a mountain range.
00:18CTV News explains, it looks like a river of clouds making its way down the Grimsel Pass,
00:24a pass that connects the upper valleys of the Rhone and Eyre rivers and R rivers.
00:30The Federal Office of Meteorology and Climatology, Meteo Swiss, says one of the major effects of fern
00:37is that it brings warm and, above all, dry downdrafts on the leeward slopes, with winds often reaching gale force.

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