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Avalanche warning for region Vest-Telemark Thursday 12.01.2023

Danger level 3 - Considerable avalanche danger

Published:
Demanding avalanche conditions due to a persistent weak layer of facets together with fresh storm slab. Avoid avalanche terrain.
  • The danger is greatest until Thursday morning

Avalanche problems

Persistent weak layer (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). Remote triggering is possible.

Buried weak layer of faceted snow beneath a crust

Wind drifted 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
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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)

Wednesday 11. January 2023

Det har kommet mye snø siste tiden i fjellet i kombinasjon med vind fra sørøst, men fra onsdag kraftig vind fra sørvest. Det var kraftig mildvær natt til søndag som fuktet snødekket opp til 1100 moh. Siden har nysnøgrensa sunket ned mot 600 moh.

Det finnes svake lag av kantkorn rundt skarelag og ved bakken, som jevnt har gitt drønn og skytende sprekker før mildværet kom.

Mountain weather

Wednesday 11. January 2023

12 mm precipitation, up to 30 mm in the most exposed areas. Rain up to 600 m a.s.l. Fresh breeze from southeast, changing to strong breeze from the southwest during renoon. -4 °C to 0 °C at 1100 m a.s.l. Cloudy.

Thursday 12. January 2023

1-3 mm precipitation. Rain up to 300 m a.s.l Thursday night. Fresh breeze from southwest, changing to breeze from the southwest during renoon. -7 °C to -1 °C at 1100 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

Siden onsdag har det bygd seg opp ferske fokksnøflak i leheng, som vil være lett å løse ut. Det finnes også vedvarende svake lag dypere i snøen som gjør at skredene kan bli store. Det kan også være mulig å fjernutløse skred.

Det antas at faren for store naturlig utløste skred vil avta natt til torsdag, men det skal lite til for å løse ut skred i leheng nå som det nylig har vært pålagring.
Avalanche danger scale Important information for ski touring
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