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Avalanche warning for region Jotunheimen Sunday 12.12.2021

Danger level 2 - Moderate avalanche danger

Published:
Be careful in areas with fresh wind deposited snow. There may be pockets with a persistent weak layer beneath the wind depposited snow.

Avalanche problems

Persistent weak layer (slab avalanches)

You can easily 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) Remote triggering is possible.

Buried weak layer of faceted snow near surface

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 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)

Saturday 11. December 2021

I fjellet er snøen vindpåvirka og varierende. Det ligger fokksnøflak som ble dannet onsdag i leheng mot nord og vest. Det er forstsatt lite snø i terrenger og snøen ligger stort sett i søkk og renneformasjoner. Under tregrensa er det knappt nok skføre. Det har kommet minst nysnø i Breheimen sist uke.

Det er observert flere lag med kantkorn i snødekket, samt begerkrystaller og kantkorn ved bakken. Observasjon fra onsdag forteller at kantkorn under siste fokksnø er lett å påvirke, mens dypere lag er mindre aktive.

De siste dagene har det kommet noe nysnø med lite vind. 10-15 cm i Øvre Valdres og mindre enn 10 cm nord i regionen.

Mountain weather

Saturday 11. December 2021

Little to no precipitation. Breeze from southeast. -20 °C to -9 °C at 1800 m a.s.l. Cloudy.

Sunday 12. December 2021

2-5 mm precipitation. Rain up to 700 m a.s.l during the evening. Breeze from southwest. -12 °C to -5 °C at 1800 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

Det er ikke ventet nok nysnø i fjellet til å gi nye skredproblem. Under fokksnøen ligger det flere steder kantkorn, men det er usikkert om lagene er aktive vedvarende svake lag. Skytende sprekker og drønn er tydelige faretegn.
Temperaturstigning mot kvelden ventes ikke å påvirke skredproblemet før mandag.
Avalanche danger scale Important information for ski touring
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