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Avalanche warning for region Sunnmøre Saturday 18.02.2023

Danger level 3 - Considerable avalanche danger

Published:
Avoid lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Especially where the wind deposited slabs are thin or soft, a slab avalanche is easier to trigger there.
  • The danger is greatest until Saturday afternoon

Avalanche problems

Wind drifted 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 new snow
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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)

Friday 17. February 2023

Det har snødd og blåst over ca. 700 moh siden fredag ettermiddag. Opp til ca. 1200 moh ligger nysnøen på skare eller smelteomvandlet overflate. Høyt til fjells ligger den på harde flak av vindtransportert snø. I lavlandet, opp til ca. 700 moh, er hele den gamle snøpakken smelteomvandlet.

Fredag formiddag er det sludd i lavlandet og snø i høyden. Det blåser 5 m/s fra øst.

Mountain weather

Friday 17. February 2023

20 mm precipitation, up to 30 mm in the most exposed areas. Rain up to 700 m a.s.l during the afternoon. Fresh breeze from south, changing to strong breeze from the northwest during the evening. -8 °C to -1 °C at 1400 m a.s.l. Cloudy.

Saturday 18. February 2023

20 mm precipitation, up to 40 mm in the most exposed areas. Rain up to 200 m a.s.l Saturday night. Strong breeze from northwest. -12 °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

Mye nedbør og kuling gir krevende forhold i fjellet. Vinden vil flytte løs snø inn i leområder, og danne ustabile fokksnøflak. Det er lett for en skiløper å løse ut middels store til store skred. På utsatte steder, der det kommer mest nedbør, kan enkelte skred løsne naturlig når været står på.

Bygevær gir lokale variasjoner i nedbørsmengde. Størst fare på Indre Sunnmøre, hvor det ventes mest nedbør.

Skredfaren minker utover dagen, dersom vind og nedbør avtar.


Avalanche danger scale Important information for ski touring
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