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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Thursday 31.12.2020

Danger level 2 - Moderate avalanche danger

Published:
Avoid leeward slopes if you notice alarm signals like shooting cracks and collapsing snow. Wind deposited snow are covering persistent week layer.

Avalanche problems

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on some 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 above a crust

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

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 30. December 2020

Over tregrensa er snødekket vindpakka, men framleis mjukt i leområder. I skogen er det mykje laussnø. På vindutsette stader i høgfjellet er snødekket tynt og det er avblåst ned til gammal skare.

Det finst kantkorn i forbindelse med skarelag nede i snødekket. Det vert også observert nedsnødd overflaterim.

Måndag vart ein skikøyrar teken av skred ved Hemsedal skisenter, det vart også fjernutløyst eit skred i Hemsedal. Søndag løyste folk ut eit skred ved Geilo.

Det har blitt meldt om drønn i snødekket i Hemsedal kvar dag frå søndag til onsdag. Flest rapportar om dette rundt tregrensa.

Mountain weather

Wednesday 30. December 2020

4-6 mm precipitation. Fresh breeze from east, changing to calm/light breeze from the east during the afternoon. -8 °C to -4 °C at 1400 m a.s.l. Cloudy.

Thursday 31. December 2020

Little to no precipitation. Breeze from north. -11 °C to -8 °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

Det er mogeleg å påverke vedvarande svake lag av kantkorn, og somme stadar rim. Det har vore mest aktivitet i desse laga rundt tregrensa. Fokksnøen frå måndag stabiliserar seg, men det er framleis mogeleg å løyse ut skred i denne.
Roleg vêr gjer at det ikkje vert danna nye skredproblem.
Avalanche danger scale Important information for ski touring
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