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Avalanche warning for region Vest-Finnmark Sunday 29.12.2019

Danger level 3 - Considerable avalanche danger

Published:
Strong winds, precipitation and high temperatures gives unstable snow conditions. Naturally released wet and dry slab avalanches are possible. The danger decreases during the day, due to decreasing wind and temperature.

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

Wet 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).

Water pooling in/above snow layers

Persistent weak layer (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).

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)

Saturday 28. December 2019

Lørdag kom det litt nedbør i kombinasjon med vind i regionen som kan ha skapt fokksnøflak mange steder.

Under gamle fokksnøflak finnes stedvis svakt lag av kantkorn. Dette ligger vekselvis under, over og mellom porøse skarelag. Skred av dette kan bli store, men laget er vanskelig å påvirke.

Mountain weather

Saturday 28. December 2019

2-5 mm precipitation. Gale from southwest. -10 °C to -2 °C at 1100 m a.s.l. Cloudy.

Sunday 29. December 2019

8 mm precipitation, up to 15 mm in the most exposed areas. Moderate gale from west, changing to fresh breeze from the northwest during the afternoon. -8 °C to 0 °C at 1100 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

Over ca 600moh vil kraftig vind i kombinasjon med nedbør ventes å gi ustabile fokksnøflak i leområder. Naturlig utløste skred kan forekomme. Vinden vil avta i løpet av dagen.

Under ca 600moh vil nedbør i form av regn bidra til svekkelse av snødekket, og naturlig utløste våte skred kan forekomme. Lavere temperaturer ut over søndagen vil kunne stabilisere dette problemet.

Vær fortsatt oppmerksom på at eldre fokksnøflak noen steder kan ligge over et vedvarende svakt lag av kantkorn. Det virker nå vanskelig å løse ut skred i dette laget, men evt skred kan bli store.
Avalanche danger scale Important information for ski touring
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