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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Troms Thursday 23.02.2023

Danger level 2 - Moderate avalanche danger

Published:
New unstable wind slabs will form because of wind and snowfall. Avoid steep slopes with newly formed wind slabs. Old persistent weak layers can be triggered where the snowpack 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

Etter mildvær forrige uke med påfølgende kuldegrader består snøoverflaten nå av hard bærende skare. Over skoggrensen kan det ligge noen cm tørr løssnø over skaren. I enkelte områder finnes det tynne flak med fokksnø. På rabber og utsatte topper er det is eller avblåst.

Det finnes vedvarende svake lag av kantkorn mellom eldre mildværspåvirket snødekke og dypere skarelag. Dette er mest utbredt over 600-700 moh.

I naboregionene er det observert rimkrystaller og kantkorn nært overflaten. Kaldt og klart vær mandag til onsdag gjør at det ikke kan utelukes at disse lagene finnes også i Indre Troms.

Mountain weather

Wednesday 22. February 2023

Little to no precipitation. Fresh breeze from southeast, changing to strong breeze from the southeast during the afternoon. -23 °C to -10 °C at 1100 m a.s.l. Partly cloudy.

Thursday 23. February 2023

7 mm precipitation, up to 15 mm in the most exposed areas. Precipitation as snow. Strong breeze from south, changing to fresh breeze from the southwest during the afternoon. -13 °C to -5 °C at 1100 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

Nysnø og vind vil føre til snøtransport og danne ustabile flak med fokksnø i leområder. Vær opmerksom på at fokksnøen enkelte steder kan ha lagt seg over svake lag med rimkystaller eller overflatekantkorn. Flakene vil i så fall være mer ustabile enn ventet. Gjør nøye vurderinger.

Gamle vedvarende svake lag kan påvirkes der snødekket er tynt.
Avalanche danger scale Important information for ski touring
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