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Avalanche warning for region Sør-Troms Wednesday 28.12.2022

Danger level 3 - Considerable avalanche danger

Published:
A short storm cycle could bring strong winds and precipitation. Unstable wind slabs could rapidly form. The slabs could fail on either old persistent weak layers or within the new snow.

Avalanche problems

Persistent weak layer (slab avalanches)

Avalanches may release spontaneously 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 surface hoar

Wind drifted snow (slab avalanches)

You can very 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
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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)

Tuesday 27. December 2022

Natt til tirsdag har det vært mildt i lavlandet.

Dagene før jul har det vært kraftig bygevær i regionen. Dette har ført til lokalt store mengder snø og vind i fjellet.

Under skoggrensen har det mange steder vært godt skiføre, med mye ubunden snø.
Over skoggrensen er det mange steder bærende fokksnø.

Lokalt kan det fortsatt ligge igjen svake lag av overflaterim i snødekket fra midten av desember. I grensetraktene mot Indre Troms kan det være svake lag av kantkorn fra kuldeperioden i november.

Det er meldt om flere store drønn i regionen.

Mountain weather

Tuesday 27. December 2022

Little to no precipitation. Fresh breeze from southeast, changing to strong breeze from the southeast during the evening. -8 °C to 0 °C at 700 m a.s.l. Cloudy.

Wednesday 28. December 2022

4-8 mm precipitation. Rain up to 100 m a.s.l during renoon. Fresh breeze from southeast, changing to strong breeze from the northwest during renoon. -13 °C to -3 °C at 700 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

Kortvarig, kraftig vind fra nordvest kan gi stor snøtransport og rask danning av ustabile fokksnøflak. Flakene kan kollaps enten på vedvarende svake lag av rim eller innad i den nye snøen.

På kvelden kan det blir en ny vindøkning fra sør-sørvest, men uten nedbør av betydning.
Avalanche danger scale Important information for ski touring
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