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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Saturday 21.01.2023

Danger level 2 - Moderate avalanche danger

Published:
Increasing avalanche danger! High winds will form windslabs which may be easy to trigger. Be aware that there can be pockets with persistent weak layers.

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 near the ground

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on a few 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 20. January 2023

Snødekket er generelt preget av vind men det finnes mykere snø i skjermede lommer. Det er mindre snø enn vanlig i fjellet. Rygger og fjelltopper er avblåst. Snøgrensen ligger på rundt 250 moh.

Kantkorn ved bakken finnes mange steder. Det er mest utviklet i indre del av regionen, der snødekket er tynnest. Stedvis gir kantkornlaget fra seg faretegn som drønn og skytende sprekker.
Det finnes skarelag i snøen opp til 700-900 moh som ble dannet rett før nyttår. Kantkorn har vært under utvikling i forbindelse med skarelaget.

Mountain weather

Friday 20. January 2023

Little to no precipitation. Calm/light breeze from southwest. -21 °C to -7 °C at 1400 m a.s.l. Partly cloudy.

Saturday 21. January 2023

No precipitation. Breeze from southwest, changing to strong breeze from the southwest during the afternoon. -18 °C to -5 °C at 1400 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

Kraftig vind vil flytte på den snøen som fremdeles kan flyttes og danne ferske fokksnøflak som kan være lette å løse ut. Unngå bratte leheng der snøen danner flak. Der det legger seg opp mest snø kan skred bli middels store. Skytende sprekker er et tydelig faretegn.
Avalanche danger scale Important information for ski touring
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