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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Finnmark Friday 08.12.2017

Danger level 3 - Considerable avalanche danger

Published:
The danger increases when the wind picks up. Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies.

Avalanche problems

Wind drifted snow (slab avalanches)

You can very 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

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 beneath 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)

Thursday 7. December 2017

Søndag og mandag kom det 10-20 cm nysnø i ytre deler av regionen, men mindre i indre deler. Onsdag kom det 5-10 cm nysnø i ytre strøk. I kombinasjon med vind fra V-NV har det dannet seg fokksnøflak i leområder.

Det er observert lag med kantkorn under skarelag flere steder i regionen. Søndag ble det observert flere drønn i snøen, spesielt i overgangen mellom skog og snaufjellet. Nordøst for Alta ble det søndag observert overflaterim under bærende fokksnølag i vindskjermede heng.

Det er ikke observert skredaktivitet de siste dagene.

Det er store variasjoner i snømengde i regionen med mest snø i kystnære områder.

Mountain weather

Thursday 7. December 2017

3 mm precipitation, up to 9 mm in the most exposed areas. Breeze from southeast, changing to fresh breeze from the southeast during the afternoon. -14 °C to -6 °C at 1100 m a.s.l. Clear skies.

Friday 8. December 2017

2-5 mm precipitation. Strong gale from southeast. -15 °C to -8 °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

Kraftig vind SØ fører til at det dannes ferske fokksnøflak i nye leheng. Skredfaren ventes derfor å øke til faregrad 3 - betydelig, særlig i de områdene som har en del løs snø tilgjengelig for vindtransport. Det finnes også vedvarende svake lag nede i snødekket, særlig rundt tregrensa.
Avalanche danger scale Important information for ski touring
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