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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Tuesday 01.05.2018

Danger level 2 - Moderate avalanche danger

Published:
Predominantly stable conditions, but be aware in steep lee areas in higher elevations, small dry wind slabs are possible to release. Be careful close to and in terrain traps. If/when the sun comes out, the danger will rise to 2-moderate also in areas where the snow becomes wet and soft.

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

Wet snow (loose snow avalanches)

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

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)

Monday 30. April 2018

I helga kom det lokalt over 10 cm nysnø i Oppdalsfjella under rolege vindforhold. Nysnøgrensa var på omlag 500 moh. Det gamle snødekket er prega av mildveir til fjelltopphøgde tidlegare, og består av smelteomadanna snø som drenerar vatn godt.

Snøgrensa i regionen ligg på mellom 200 og 400 moh.

I skyggen i de høyeste fjellområdene kan det fortsatt være lagdelt vintersnø med kantkornlag, men disse utgjør ikke et skredproblem nå.

Mountain weather

Monday 30. April 2018

No precipitation. Breeze from east, changing to fresh breeze from the southeast during the evening. -8 °C to 0 °C at 1400 m a.s.l. Clear skies.

Tuesday 1. May 2018

2-6 mm precipitation. Moderate gale from southeast, changing to fresh breeze from the south during the evening. -5 °C to 0 °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

Sterk vind frå søraust, litt nedbør og tilgjengeleg ubunden snø i høgda vil gje snøtransport inn i nord og vestlege renner, søkk og lesider. Her vil ein få pålagring og mindre fokksnøflak.

Under mildveirsgrensa er det mogleg å løyse ut mindre våte laussnøskred, spesielt i sydvendt terreng.

Glideskred er normalt på våren. Vær varsom under glidesprekkar og der snødekket ligg på glatt underlag.

Avalanche danger scale Important information for ski touring
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