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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Voss Monday 05.04.2021

Danger level 3 - Considerable avalanche danger

Published:
Strong winds and more precipitation are expected. Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. A slab avalanche is possible to release where the wind deposited slabs are thin or soft. Weak layers of faceted snow exists at high altitudes.

Avalanche problems

Wind drifted snow (slab 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 new snow

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow near surface

New snow (loose snow avalanches)

on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Loose 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)

Sunday 4. April 2021

Mildt vær har de siste dagene gjennomfuktet snødekket mange steder.
Det er lite snø for årstiden, kuler og rygger er stort sett snøfrie.
Snøgrensen ligger på ca 500 moh.

Kantkornlag dannet under kuldeperioden i januar og februar kan fremdeles være intakt i høyden, over ca 1200 moh. Det er lite terreng og få ferske observasjoner over denne høyden.

Mountain weather

Sunday 4. April 2021

25 mm precipitation, up to 40 mm in the most exposed areas. Moderate gale from west. -10 °C to 0 °C at 1100 m a.s.l. Cloudy.

Monday 5. April 2021

10 mm precipitation, up to 20 mm in the most exposed areas. Strong breeze from northwest. -9 °C to -2 °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

Fortsatt kraftig vind og nedbør som snø vil opprettholde problemet med ferske fokksnøflak i høyden.
Det vil fremdeles være lett å løse ut store skred i heng med ferske flak.
Fortsatt pålagring av snø i leheng vil opprettholde faren for naturlig utløste skred. Mest utsatt er heng mot S-SØ-Ø.
Det er lite snø i lavlandet og problemet er størst i fjellterreng.

Soloppvarming mellom bygene vil gi fare for løssnøskred. Spesielt utsatt er lune områder som har fersk, løs snø.

I høyfjellet kan det i enkelte heng fremdeles finnes svake lag av kantkorn dypt i snødekket.
Skred i fokksnøen som påvirker slike lag, kan få et større volum.
Avalanche danger scale Important information for ski touring
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