SNOW, WIND GUSTS AND RISK OF AVALANCHES
Snow has already fallen yesterday, but more will follow coming days. First, the southern and western parts of the Alps get a fresh snow dump. This comes along with strong winds and a risk of avalanches. Saturday snow could fall almost everywhere, but on Sunday it is mostly dry except for the French Alps. Next week snow stays possible, but the snow line increases as milder air spread over the Alps.
Yesterday, a few centimeters of snow has already fallen in the southern parts of the Alps. Southern Tyrol and the French Alps got locally even 20 centimeters of fresh snow. More snow will follow today. with possibly again 20 centimeters in the southern flanks of the Alps. The snow line varies between 1000 and 1500 meters. Precipitation in the lower valleys will therefore mostly fall as rain.
Strong wind gusts could occur on the mountain tops. Wind gusts of 170 kilometers per hour are possible in the French Alps and in Switzerland and could cause severe damage. In these regions, avalanche risks of level 3 or 4 are in the force. Very locally, temperatures higher than 15 degrees Celsius in a few valleys could be reached due to foehn winds.
More snow on Saturday
On Saturday snow could fall everywhere in the Also with the largest amount in the eastern half. The height of the snow line drops to below 500 meters and the wind decreases. Sunday is dry for a large part of the day, but in the French, Alps snow will fall again. Regionally a half meter could fall in the weekend and snow layers of more than 2 meters can be found in Southern Tyrol. First days of next week the wind direction turns to the northwest and especially the northern side receives snow.
From Wednesday milder air enters the Alps, but the snow chances remain high on the northern and western sides. The snow line in the eastern Alps will be at 1000-1500 meters height, but in the western half, it could climb to more than 2000 meters. In the long term, the conditions seem to stay relatively warm.