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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Tuesday 21.03.2023

Danger level 2 - Moderate avalanche danger

Published:
Locally unstable conditions. Be careful in leeward areas with fresh, soft wind slabs as well as in areas where the snowpack is thin. A persistent weak layer can be triggered in these areas and avalanches can become large.

Avalanche problems

Wind drifted snow (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).

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

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)

Monday 20. March 2023

Snøoverflaten preges av snøfall og kraftig vind fra SØ, torsdag og fredag forrige uke. Snøoverflaten varierer mellom fokksnø av ulik hardhet. I skjermete formasjoner finnes myke flak og løsere snø. Skiftende vær og temperaturer gjennom helgen har gitt skare i lavere høyder og solsider.

Det finnes kantkorn i forbindelse med skarelag. Enkelte steder er skarelaget tykt og gjør at kantkorn under skarelag er vanskeligere å påvirke.

Mountain weather

Monday 20. March 2023

Little to no precipitation. Calm/light breeze from northwest. -10 °C to -3 °C at 1400 m a.s.l. Partly cloudy.

Tuesday 21. March 2023

6 mm precipitation, up to 22 mm in the most exposed areas. Rain up to 600 m a.s.l during the afternoon. Breeze from south. -16 °C to -3 °C at 1400 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

Det ventes en temperaturøkning og en del nysnø utover ettermiddagen helt vest i regionen mot Hardanger. Der vil det danne seg myke nysnøflak som kan være lett å løse ut enkelte steder, særlig der vinden har tatt mest.

Ellers skal det mye til for å løse ut skred i kantkornlaget lenger nede i snødekke. Vær forsiktig i områder der overliggende fokksnø er myk og tynn. Her kan det være mulig å løsne store skred.

Avalanche danger scale Important information for ski touring
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