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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Wednesday 14.02.2018

Danger level 3 - Considerable avalanche danger

Published:
Use great caution in lee areas with fresh storm slabs. A persistent weak layer of facets may also be triggered, especially where the snow cover is thin.

Avalanche problems

New snow (slab avalanches)

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

Buried weak layer of faceted snow above a crust
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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 13. February 2018

Det finnes mye ubunden snø under skoggrensen. Fra skoggrensen er det myke fokksnøflak og i snaufjellet er det fokksnø med ulik hardhet. Skiftende vind har gitt fokksnø i flere himmelretninger.

Snødekket er sammensatt med flere vedvarende svake lag. Det er observert både nedsnødd rim og kantkorn over skarelag. Det varierer hvor mye som skal til for å påvirke disse lagene på grunn av stor variasjon i mektighet og fasthet av overliggende snø.

Naturlig utløst skred over veg, Fv362 søndag kveld. Mandag ble det rapportert om et lite flakskred i åpent terreng under skoggrensa på ca 800 moh vest for Vemork.

Mountain weather

Tuesday 13. February 2018

Little to no precipitation. Breeze from southwest, changing to fresh breeze from the south during the evening. -15 °C to -7 °C at 1400 m a.s.l. Partly cloudy.

Wednesday 14. February 2018

3-7 mm precipitation. Strong breeze from south, changing to gale from the south during the evening. -9 °C to -5 °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

Skredfaren øker utover dagen. Vindtransport vil gradvis ta seg opp og danne ustabile nysnøflak i leheng. Det vil være lett å løse ut skred i nysnøflak som i mange heng ligger over et svakt lag av løsere snø. Nysnøen kan ha bundet seg i myke flak også under skoggrensa.
Vedvarende svake lag kan påvirkes der snødekket er tynt eller mykt.
Avalanche danger scale Important information for ski touring
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