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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Voss Thursday 07.12.2017

Danger level 3 - Considerable avalanche danger

Published:
The rain will increase the avalanche danger. Avoid avalanche release and run out areas.

Avalanche problems

Wet snow (slab avalanches)

You can trigger avalanches on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Water pooling in/above snow layers

Wet snow (loose snow avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

Loose snow

New snow (slab avalanches)

You can 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
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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 6. December 2017

Nedbøren og varmen tirsdag har smelta mykje snø, og snøoverflaten bærer preg av det. Fuktig, våt, mjuk og delvis smelteomvandla snø opp mot dei høgaste toppane. Onsdag er det fortsatt tørr snø nede i snødekket i høgda.

Kantkornutvikling rundt skarelag danna 23.11. og svakt skarelag/ kantkornlag frå 02.12.

Tirsdag er det registrert skredaktivitet i regionen.

Litt snø i låglandet, meir i indre strøk. Omlag 150cm snø i høgda.

Mountain weather

Wednesday 6. December 2017

35 mm precipitation, up to 40 mm in the most exposed areas. Breeze from southwest, changing to strong breeze from the southwest during the evening. -2 °C to 2 °C at 1400 m a.s.l. Cloudy.

Thursday 7. December 2017

60 mm precipitation, up to 85 mm in the most exposed areas. Moderate gale from southwest, changing to gale from the south during the evening. -5 °C to 3 °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

Mykje nedbør som regn til topps og kraftig vind gir stor tilførsel av vatn i eit snødekke som drenerer lite. Det gir opphopning av vatn og skredproblem med våte skred. Enkelte stader kan skreda bli str 3, middels. Når snøgrensa går ned utover dagen kan det også bli skredproblem med nysnøflak i høgda. Faregrad 3-betydelig.
Avalanche danger scale Important information for ski touring
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