Avalanche warning for region Svartisen Saturday 29.01.2022

Danger level 3 - Considerable avalanche danger

Published:

Strong wind Saturday will give wind slabs in lee areas. It might be easy for a single skier to trigger avalanches in the fresh wind slabs. Older wind slabs and persistent weak layers are in general hard to trigger.

Avalanche problems

Wind drifted snow (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).

Persistent weak layer (slab avalanches)

You can trigger avalanches on a few steep slopes. Avalanches can get large enough to bury a large truck or destroy several houses (size 4). Remote triggering is possible.

Advice

Snow cover (in Norwegian)

Snøen er svært ujevnt fordelt. På utsatte plasser er det avblåst, mens store mengder fokksnø har samlet seg til myke flak i leområder og beskyttete terrengformasjoner. I skogen er snøoverflaten løsere og nysnøen mindre bundet. Det er mye løs snø tilgjengelig for vinden både over og under skoggrensen. Det gamle snødekket er gjennomfuktet, og mange steder er det et markant skille mellom den nye, tørre snøen fra denne uken og det gamle, fuktige snødekket.

Opp til 750 moh er det bekreftet at mildværet sist søndag har fuktet opp vedvarende svake lag. Over dette er tilstanden til de vedvarende svake lagene ukjent.

Mountain weather, 28.01.2022

6-10 mm precipitation. Precipitation as snow. Strong breeze from northwest, changing to fresh breeze from the southeast during the evening. -11 °C to -6 °C at 1100 m a.s.l. Partly cloudy.

Mountain weather, 29.01.2022

10 mm precipitation, up to 20 mm in the most exposed areas. Rain up to 100 m a.s.l during renoon. Gale from southeast, changing to breeze from the southeast during the afternoon. -12 °C to -6 °C at 1100 m a.s.l. Cloudy.

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