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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Sør-Troms Friday 13.01.2023

Danger level 2 - Moderate avalanche danger

Published:
Be aware of easy to trigger, small storm slabs on leeward slopes.
Persistent weak layers are present in the snowpack and can be triggered where the wind slabs are thin. Avalanches can be triggered remotely.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

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

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 12. January 2023

Under skoggrensen ble snødekket gjennomfuktet i starten av januar, men overflaten er nå fryst og bærende. Over skoggrensen er snøen ujevnt fordelt, hard og vindpåvirket. Særlig oppstikkende terrengformer er avblåst mange steder i alle himmelretninger.

Det har kommet observasjoner på svake kantkornlag ved bakken både fra grensetraktene mot Indre Troms og fra Senja. Det finnes også et kantkornlag rundt et skarelag høyere i snødekket, observert på Spanstinden. Men utbredelsen er uvisst.

Mountain weather

Thursday 12. January 2023

4-8 mm precipitation. Rain up to 200 m a.s.l Thursday night. Breeze from southeast. -6 °C to 0 °C at 700 m a.s.l. Partly cloudy.

Friday 13. January 2023

4-7 mm precipitation. Rain up to 300 m a.s.l during the afternoon. Breeze from southwest. -5 °C to 0 °C at 700 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

Det ventes litt nysnø og vind som kan danne ustabile fokksnøflak i nordvest til østvendte heng. Her vil det være lett å løse ut små skred.

Under den harde fokksnøen så finnes det flere svake lag som er relativt utbredt. Lagene er svært vanskelige å påvirke, men størst fare er det der snødekket er tynt. Vær oppmerksom på at store skred kan løses ut fra avstand.

Avalanche danger scale Important information for ski touring
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