This week was characterized by stable high pressure along the Livigno area but the air temperature gradually degreased to average period.
Snow quality was generally good, alpng sunniest slopes spring conditions were created with nice and easy snow to ski, especially during the first phase of the daily warming. In alpine terrain along shady slopes it is still possible to find good powder snow that is easy to ski. Elsewhere, melt-freeze crusts formed, not easy to ski.
SNOWPACK STABILITY AND AVALANCHE OBSERVATIONS
In the alpine, especially in little-visited areas or where the snowpack thickess is lower, the persistent weak layers recorded within the snow cover are closer to the surface; in isolated cases releases are still possible along these layers and avalanches could reach medium sizes. In the alpine, locally, small sized snow-drift accumulations formed. We did not observe significant avalanche activities. The avalanche danger degree gradually decreased during the week and reached the level 1-Low along all the elevations.
In the alpine, the snow surface is wind affected; along wind sheltered and shady slopes a superficial loose snow layer is recorded, elsewhere melt-freeze crusts and hard snow alternate each other’s. Below the treeline, partially load-bearing melt-freeze crusts are recorded. Along Southern slopes, the snow cover base is moist. In the alpine, along windward slopes or where the snowpack thickness is lower, the persistent weak layers recorded within the snow cover are closer to the surface.
The days were sunny with air temperatures that gradually decrease to average period values. Only on February the 3rd and the 4th we recorded some clouds due to the presence of Saharan sand.
2021_03_03 Snow profile, Mot