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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Saturday 31.12.2022

Danger level 2 - Moderate avalanche danger

Published:
Be careful in areas with windslabs. A persistent weak layer of facets may be triggered, especially where the snow cover is thin.

Avalanche problems

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow above 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)

Friday 30. December 2022

Denne uken har det fram til torsdag kommet 20-40 cm snø, mest lengst vest i regionen. Snøfordelinga er ujevn med mest snø i østvendt terreng. Snøoverflaten over skoggrensa består av vindpåvirket snø med ulik hardhet. På skjermede steder finnes lommer med upåvirket tørr snø. I skogen er snøen generelt ubundet.

Det finnes kantkorn og nedsnødd rim i snødekket, dels i forbindelse med skarelag. Det finnes også kantkorn ved bakken mange steder. Det har vært observert drønn og skytende sprekker i løpet av sist uke.

Mountain weather

Friday 30. December 2022

15 mm precipitation, up to 25 mm in the most exposed areas. Rain up to 900 m a.s.l during the evening. Strong breeze from southwest, changing to moderate gale from the south during the afternoon. -5 °C to -1 °C at 1100 m a.s.l. Cloudy.

Saturday 31. December 2022

5 mm precipitation, up to 10 mm in the most exposed areas. Rain up to 900 m a.s.l Saturday night. Moderate gale from southwest, changing to fresh breeze from the west during the afternoon. -10 °C to -1 °C at 1100 m a.s.l. Partly 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

Vestavind vil legge opp fersk fokksnø i østvendte heng. Fokksnøen er mest ustabil når vind og nedbør er på sitt mest intense.
Vedvarende svake lag dypere i snødekket er aktive og de kan påvirkes av en enkelt skiløper. Drønn og skytende sprekker er tydelige faretegn som må tas på alvor.
Avalanche danger scale Important information for ski touring
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