A new storm is heading for the Alps in the next 24 hours and it will dominate the weather in the coming days. A system of warm and cold fronts is sent to the Alps with a western and later west-northwestern current. I expect the most snow in this situation in the northern French Alps and western Switzerland, but also the rest of the northern Alps will get its share. Points of interest are the shifting snow line and the often strong wind. In this forecast:
A big storm called Evi will dominate the weather in Europe the next couple of days. You can clearly see how the tight isobars cover large parts of Europe on the map above. It's a sizable storm with a lot of wind and lots of snow for those ski areas that are in the line of fire. The jet stream is turning west to northwest and that means that the northwest of the Alps is getting hammered.
There's a Stau in the northwest of the Alps, while on the south side of the main alpine ridge the sun will come out and they'll have to deal with a Föhn from the northwest.
The first front arrives in the Alps on Monday afternoon and from that moment on warm and cold fronts alternate. These warm fronts will only be of importance in the pre-Alps. There's so much cold air in the valleys of the resorts situated in the main alpine ridge that this can't be moved. The snow line can be found deep into the valleys over there. Right now, it will look like this:
There is a lot of snow in the forecast for the northwest of the Alps. You can expect 50 to 150 cm of fresh snow between Monday and Saturday. An important point of attention is the wind. The wind will be very strong and not just in the northwest of the Alps. Large parts of the Alps will regularly face a stormy wind in the coming week. This can lead to temporarily closed top lifts in a lot of resorts.
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The first snow is already coming down in the northwest of the Alps on Monday and Tuesday. I wouldn't go those days. A warm front with a lot of wind passes on Tuesday and a cold front passes in the night to Wednesday. It will snow deep into the valleys then. You can expect a lot of snow on Wednesday and because it is colder, the situation will be ideal for the better treeruns. The snow line will temporarily rise on Thursday, but even then the tree runs will be good. Friday will be colder with possibly continuous snowfall.
Because of the wind and the large amounts of fresh snow, I wouldn't ride above the tree line. Go for areas where you can find good riding in the trees (and preferably with lifts between 1400 and 2100 meters) . You can go for the northern French Alps, the west and north of Switzerland and the Austrian Vorarlberg. It is ON in all these areas from Wednesday. Great conditions between the trees and lots of fresh snow.
More details tomorrow! Stay stoked. Morris