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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Wednesday 18.12.2019

Danger level 1 - Low avalanche danger

Published:
Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Especially where the wind deposited slabs are thin or soft, a slab avalanche is easier to trigger here.

Avalanche problems

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).

Poor bonding between layers in wind deposited 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)

Tuesday 17. December 2019

Varierande temperatur, nedbør og kraftig vind den siste veka har gitt eit snødekke med fleire harde skarelag, fokksnø av varierande hardheit og mengde som ligg ujamt fordelt i terrenget. Rygg og kuler er mange stadar avblåst, og i leformasjonar kan det ligge mykje snø.

På tynt snødekke er det gjort observasjonar som tyder på at svakt lag av kantkorn kan vere aktivt. På tjukt snødekke er det sannsynlig at kantkornlag er dekt av berande skarelag.

Mountain weather

Tuesday 17. December 2019

No precipitation. Breeze from southwest. -15 °C to -5 °C at 1400 m a.s.l. Partly cloudy.

Wednesday 18. December 2019

2 mm precipitation, up to 8 mm in the most exposed areas. Fresh breeze from west. -11 °C to -6 °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

Litt ny nedbør og vind frå vest vil gje snøtransport inn i hovedsakleg austvendte leområder. Her vil ein kunne få ferske fokksnøflak.
Avalanche danger scale Important information for ski touring
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