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Avalanche warning for region Vest-Finnmark Friday 03.01.2020

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh wind deposited snow. Old persistent weak layers exist in the snow cover, and are easy to trigger in some places.

Avalanche problems

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow above a crust

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

Wet snow (slab avalanches)

Not given on a few steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Water pooling in/above snow layers
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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)

Thursday 2. January 2020

Torsdag er det forbigåande mildvær opp til ca. 800 moh, samt nedbør og sterk vind. Ettersom det blir kaldare vil snødekket truleg fryse under mildværsgrensa. Over mildværsgrensa vil snøoverflata sannsynlegvis vere vindpåverka, og fokksnø vil finnast stadig lavare ettersom mildværsgrensa synk.

Under gamle fokksnøflak er det stadvis svakt lag av kantkorn. Dette ligg vekselvis under, over og mellom porøse skarelag. Torsdag vart det observert mange drønn og skytande sprekker når laget blei påverka.

Det gjekk eit tørt naturlig utløst str 2 skred i Koppartindgryta tysdag.

Mountain weather

Thursday 2. January 2020

12-16 mm precipitation. Strong breeze from southeast, changing to moderate gale from the southwest during the evening. -10 °C to -2 °C at 1100 m a.s.l. Cloudy.

Friday 3. January 2020

6 mm precipitation, up to 12 mm in the most exposed areas. Fresh breeze from southwest, changing to strong breeze from the northwest during the evening. -10 °C to -1 °C at 1100 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

Temperaturen blir lavare og det ventast færre våte skred. Fokksnøflak vil dannast stadig lavare og finnast i fleire himmelretningar sidan vinden dreiar. Det finnast vedvarande svakt lag av kantkorn i snødekket, og desse var lette å påverke før mildværet torsdag.
Avalanche danger scale Important information for ski touring
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