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Avalanche warning for region Sunnmøre Friday 22.03.2019

Danger level 3 - Considerable avalanche danger

Published:
General unstable conditions. Wet avalanches are expected. In the mountains where precipitation falls as snow, avoid new and fresh stormslabs.

Avalanche problems

New snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Buried weak layer of new snow

Wet snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Buried weak layer of faceted snow near surface
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Below you can see a description of the current snow cover information and current weather forecast in the mountains. If your observations deviate greatly from what is described here, the warning will not necessarily apply either. Always make your own judgments or stay away from avalanche terrain.

Snow cover (in Norwegian)

Thursday 21. March 2019

Over midværsgrensa natt til torsdag er snøen vindpåvirka. Litt usikkert hvor høyt mildværet har påvirka snødekket, men i alle fall opptil 1000 moh.

Det finnes vedvarende svake lag av kantkorn i snødekket over skare, men også lenger ned i snødekket mot gammel smelteomvandlet snø. Man kan finne kantkornlag i alle himmelretninger. Det kan finnes lokale områder med nedføyket overflaterim.

Observasjoner torsdag viser at snødekket er isotermt på 1000 moh. Værstasjonen på Roaldshornet (1050 moh.) viser at det kun kortvarig var varmegrader på værstasjonen natt til torsdag.

Mountain weather

Thursday 21. March 2019

10 mm precipitation, up to 20 mm in the most exposed areas. Moderate gale from southwest, changing to fresh breeze from the west during the afternoon. -7 °C to 2 °C at 1400 m a.s.l. Cloudy.

Friday 22. March 2019

8 mm precipitation, up to 13 mm in the most exposed areas. Strong breeze from south, changing to gale from the southwest during the afternoon. -6 °C to 4 °C at 1400 m a.s.l. Cloudy.

Advice

The bulletin is a planning tool and may differ from the actual situation. Always make your own evaluation. To be 100 % avalanche safe, avoid all avalanche terrain.

Avalanche risk assessment

Over mildværsgrensa vil snø og kraftig vind gi ferske fokksnøflak, mest utsatt er heng mot N.

Mildværet vil trekke høyere opp i fjellet og gi fare for våte skred. Det kan ta noe tid før mildværet trekker ned til vedvarende svake lag.
Avalanche danger scale Important information for ski touring
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