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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Thursday 23.02.2023

Danger level 2 - Moderate avalanche danger

Published:
Use caution in steep terrain with wind deposited snow. Persistent weak layers may also be triggered where the snow cover is thin.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily 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 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 beneath a crust
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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 22. February 2023

Snøoverflata er for det meste hard etter kraftig vind i høgfjellet. I formasjoner godt skjermet for vær fra vest-nordvest kan det ligge mykere snø. I lavlandet har det vært mildvær og gjenfrysning av snøoverflaten.

Vedvarende svake lag av kantkorn finnes både rundt skarelag og ved bakken. Det er observert et kantkornlag under fokksnø høgt i snødekket og rim, men det er ikke et skredproblem ennå.

Mountain weather

Wednesday 22. February 2023

4-8 mm precipitation. Rain up to 700 m a.s.l during renoon. Fresh breeze from southeast. -7 °C to -3 °C at 1400 m a.s.l. Cloudy.

Thursday 23. February 2023

2-3 mm precipitation. Precipitation as snow. Fresh breeze from northwest, changing to breeze from the west during the afternoon. -12 °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

Det vil være lett å løse ut middels store skred i ferske fokksnøflak. Årsaken er vind fra NV, som lokalt blir kraftig, og som flytter snø inn i leområder mot SØ. Eldre fokksnø har stort sett stabilisert seg.

Det skal mye til for å påvirke vedvarende svakt lag ved bakken, men vær forsiktig i områder med tynt snødekke.
Avalanche danger scale Important information for ski touring
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