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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Thursday 19.12.2019

Danger level 2 - Moderate 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 some 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)

Wednesday 18. December 2019

Litt nysnø saman med vind frå vest har lagt snø inn i austelege leområder. Det eldre snødekket består av 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

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.

Thursday 19. December 2019

2-4 mm precipitation. Strong breeze from south. -10 °C to -4 °C at 1400 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

Vind med skiftande retning og aukande styrke vil transportere snø som framleis ligg ubunden inn i nordlege leområder. Her vil ein få ferske fokksnøflak. Det kan òg ligge eldre flak mot aust ein lyt vere merksam på.
Avalanche danger scale Important information for ski touring
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