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Avalanche warning for region Hallingdal Wednesday 21.12.2022

Danger level 2 - Moderate avalanche danger

Published:
Use caution in steep terrain with wind deposited snow. Windslabs may rest on a layer of surface hoar and facets, also near ground.

Avalanche problems

Wind drifted snow (slab avalanches)

You can 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 easily trigger avalanches on a few steep slopes. Avalanches can get large enough to bury or even kill you (size 2). Remote triggering is possible.

Buried weak layer of faceted snow near the ground
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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)

Wednesday 21. December 2022

Det ligger ferske fokksnøflak i fjellet etter vindøkning på søndag. På skjermede steder finnes lommer med upåvirket tørr snø. I skogen er snøen generelt ubundet.
Det er fremdeles mye steiner og vegetasjon synlig i terrenget.

Snødekket inneholder både rim og og kantkorn. Ved bakken er det observert kantkorn. Tirsdag ble det meldt om drønn og skytende sprekker pga kollaps i dette svake laget.

Mountain weather

Tuesday 20. December 2022

2-4 mm precipitation. Rain up to 1500 m a.s.l Tuesday night. Strong breeze from southwest, changing to fresh breeze from the south during the afternoon. -5 °C to 0 °C at 1400 m a.s.l. Partly cloudy.

Wednesday 21. December 2022

Little to no precipitation. Breeze from southwest. -9 °C to -4 °C at 1400 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

OPPDATERING onsdag morgen:
Det finnes ustabile flak med fokksnø. Disse kan løsne på svakt lag innad i fokksnøen. Vær oppmerksom der fokksnøen er myk og/eller tynn. Her er det lettere å påvirke svake lag med kantkorn/rim nede i snødekket og ved bakken.
Avalanche danger scale Important information for ski touring
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