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Avalanche warning for region Vest-Telemark Friday 23.12.2022

Danger level 2 - Moderate avalanche danger

Published:
Avoid areas with fresh wind deposited snow. There could be buried surface hoar under the the wind slabs.

Avalanche problems

Persistent weak layer (slab avalanches)

You can trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Buried weak layer of faceted snow above a crust

Wind drifted snow (slab avalanches)

You can trigger avalanches on some steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

Poor bonding between layers in wind deposited 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)

Thursday 22. December 2022

Det ligger fokksnøflak i fjellet etter vindøkning sist helg. På skjermede steder finnes lommer med upåvirket tørr snø. I skogen er snøen generelt ubundet.

Snøprofiler har vist at det finnes kantkorn og nedsnødd rim i snødekket. Observerte drønn i løpet av sist uke skyldes nok kollaps i vedvarende svake lag.
Observasjon fra Valle lørdag på ca 1000moh indikerer at det kan være mulig å påvirke svakt lag nede i snødekket.

På Haukeli er nå snødybden 80 cm, 5 cm nysnø siste døgn.

Mountain weather

Thursday 22. December 2022

7-10 mm precipitation. Rain up to 700 m a.s.l during the afternoon. Breeze from southwest, changing to breeze from the northwest during the evening. -8 °C to -1 °C at 1100 m a.s.l. Cloudy.

Friday 23. December 2022

No precipitation. Breeze from northwest. -18 °C to -5 °C at 1100 m a.s.l. Clear skies.

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 finnes ustabile flak med fokksnø. Disse kan løsne på svakt lag innad i fokksnøen. Vær oppmerksom der fokksnøen er myk og/eller tynn. Her er det lettere å påvirke svake lag med kantkorn/rim nede i snødekket.

Avalanche danger scale Important information for ski touring
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