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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Friday 31.03.2023

Danger level 2 - Moderate avalanche danger

Published:
Locally unstable conditions. A skier or a snow mobile may trigger avalanches in the fresh wind slabs, while persistent weak layers deeper in the snow in general is hard to trigger.

Avalanche problems

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

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow beneath a crust

Wet snow (loose snow 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)

Loose 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)

Thursday 30. March 2023

Det ligger løs, tørr snø over det gamle og harde snødekket. Over skoggrensen ligger det stedvis fokksnø med vekslende hardhet. Snøen blir kram der solen tar på snøen

Flere runder med mildvær de siste ukene har ført til flere skarelag nedover i snødekket. Det har utviklet seg vedvarende svakt lag av kantkorn i forbindelse med disse skarelagene.

Det finnes også et eldre svakt lag av kantkorn ved bakken med stor utbredelse, men dette er svært vanskelig å påvirke for en person.

Mountain weather

Thursday 30. March 2023

5-6 mm precipitation. Rain up to 100 m a.s.l during the afternoon. Fresh breeze from southeast. -10 °C to -4 °C at 1100 m a.s.l. Cloudy.

Friday 31. March 2023

No precipitation. Strong breeze from east, changing to moderate gale from the east during the afternoon. -9 °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

Sterk vind vil flytte snø og danne ferske fokksnøflak i hovedsaklig vestvendte heng. Disse kan være lette å løse ut for en skiløper.

Vedvarende svake lag ligger under harde skarelag og er stort sett vanskelig å påvirke, men der det overliggende snødekket er tynt eller mykt kan man være uheldig å løse ut skred i det svake laget.

Hvis solen titter frem kan det føre til at det er lett å løse ut små løssnøskred i sørvendte fjellsider.
Avalanche danger scale Important information for ski touring
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