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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Jotunheimen Sunday 05.01.2020

Danger level 3 - Considerable avalanche danger

Published:
Conditions are dangerous. Unstable conditions due to wind slabs in lee areas. Persistent weak layers may also be triggered where the snow cover 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 a car or destroy a small house (size 3).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow near the ground

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 surface hoar
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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 4. January 2020

Vind og snø den siste tiden har lagt opp en del fokksnø i østvendte heng. I andre himmelretninger består snøverflaten av avblåst skare opp til ca. 1000 moh etter mildvær tidligere i uka, og vindpåvirket snø over denne høyden.

Det finnes kantkorn ved bakken og kantkorn under skarelaget som ble dannet av mildværet for noen dager siden. Det finnes også stedvis nedsnødd overflaterim.

Lørdag formiddag meldes det om moderat snøfokk og 10 cm nysnø i Bøverdalen.

Mountain weather

Saturday 4. January 2020

6-10 mm precipitation. Gale from northwest, changing to strong breeze from the northwest during the afternoon. -13 °C to -7 °C at 1800 m a.s.l. Partly cloudy.

Sunday 5. January 2020

10 mm precipitation, up to 35 mm in the most exposed areas. Strong breeze from southwest, changing to gale from the west during the afternoon. -11 °C to -2 °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

Vind og nedbør vil gi ferske fokksnøflak og fokksnøflakene fra lørdag kan også fortsatt være ustabile. I de vestlige delene av regionen hvor det kommer mest snø, kan det gå naturlig utløste skred. Over 1000 moh ligger det stedvis et svakt lag med nedsnødd rim nede i snøpakka. Lavere ned i terrenget kan det være mulig å påvirke kantkorn under det siste skarelaget og ved bakken. Disse svake lagene kan være et problem der snødekket er tynt/mykt.
Avalanche danger scale Important information for ski touring
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