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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Jotunheimen Saturday 21.12.2019

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh windloaded snow! Avoid lee areas where a persistent weak layer can be hidden in the snow pack. Avalanches are triggered most easily where the snow pack is thin, typically close to ridges and on convex formations.

Avalanche problems

Wind drifted snow (slab avalanches)

You can very easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Buried weak layer of new snow

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 near surface
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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)

Friday 20. December 2019

Det har kommet mellom 5-15 cm snø i regionen siste døgn fram til fredag klokken 12:00. Det er varierende hardhet på nysnøen, men det meste kan relativt lett flyttes på av vind. Sterk vind tidlegere i vinter har skapt fokksnøflak i leområder i fjellet.

Det finst vedvarande svake lag av kantkorn og rim i snødekket og kantkorn ved bakken.

Mountain weather

Friday 20. December 2019

4 mm precipitation, up to 10 mm in the most exposed areas. Fresh breeze from southeast, changing to strong breeze from the southeast during the evening. -7 °C to -1 °C at 1800 m a.s.l. Cloudy.

Saturday 21. December 2019

6 mm precipitation, up to 12 mm in the most exposed areas. Moderate gale from southeast, changing to fresh breeze from the southeast during the afternoon. -8 °C to -2 °C at 1800 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

Sterk vind og nedbør vil føre til pålagring av fersk fokksnø i leområder. Den vil i hovedsak legge seg i samme hengretninger som den har gjort de siste dagene og det kan ligge store mengder i leområder nå. Skred kan også løsne naturlig når vinden er på det sterkeste.

Det finnes vedvarende svake lag både ved bakken og høyere i snødekket som det er mulig å løse ut skred på.
Avalanche danger scale Important information for ski touring
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