WeatherBlog 5 2018/19 | Review & outlook

Status report

The northern storm (long awaited, much desired) has largely delivered what the weather models and internet hype promised in advance and has kept pretty much to the forecasts in terms of the amount of fresh snow and the focus of precipitation. As early as Monday, Marilou was gradually pushed eastwards by a strengthening high over Spain and the French Atlantic coast, so that the focus of precipitation also shifted further and further east.

The SLF reports "widespread 80 to 150 cm" of snow above 1800m on the northern slopes of the Alps, in Valais, the Gotthard region and northern Graubünden for the period Friday to Tuesday. snow. While the precipitation in the western Alps was already subsiding on Monday, there was still up to half a meter of fresh snow in the Glarus Alps (eastern Switzerland) from Monday afternoon to Tuesday.

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500hPa geopotential and ground pressure from last Tuesday. Marilou will be pushed to the east by the high, but will still bring north/northwest accumulating snow to the eastern Alps on Tuesday. — 500hPa geopotential and ground pressure from last Tuesday. Marilou will be pushed off to the east by the high, but will still bring north/northwest accumulating snow to the eastern Alps on Tuesday.

meteociel.fr

In the Austrian Northern Alps, amounts of fresh snow in the high double-digit range fell at higher altitudes up to Tuesday, and in the typical north-west congested areas, the meter was cracked here and there.

The whole thing was accompanied by strong winds and a correspondingly high risk of avalanches at times. Thanks to the rather unstable atmospheric stratification in many places, there was also frequent sleet and even hail showers. In the southern Alps, meanwhile, there was quite sunny, calm northern foehn weather, clearly visible in the two-part satellite image from Monday (can be seen in the gallery below, taken from the interesting Monday MeteoSwiss blog post).

Meanwhile, overseas, the WeatherBlog can only dream of productive northerlies and easily accessible mountains... — Meanwhile, overseas, the WeatherBlog can only dream of a rich northerly thaw and easily accessible mountains...

LH

FC

Current situation and outlook

Marilou has now more or less left the eastern Alps behind and is now turning its attention to the Balkans. Things have calmed down here and today, Wednesday, would probably be a good day to enjoy the fresh snow in sunshine and low temperatures in the entire northern Alps, with all due caution regarding avalanche risk and lack of base.

From tomorrow, it will be a little more unstable in the south, with a few flakes falling here and there and clouds clouding the otherwise predominant sunshine. Similar on Friday: widespread sunny, cold winter weather, tending to be sunnier in the north, somewhat cloudier in the south and southeast. From today's perspective, sunshine and rising temperatures on Saturday, with the next disturbance approaching from the west, which will probably cause stormy conditions everywhere on Sunday.

Large-scale, the westerly weather will stay with us for the time being. The WeatherBlog is looking forward to further clashes between Atlantic low pressure and the continental high!