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Avalanche warning for region Jotunheimen Tuesday 07.01.2020

Danger level 3 - Considerable avalanche danger

Published:
Increasing avalanche danger due to fresh wind deposited snow, especially in the western part of the region. Wind slabs may be resting on persistant weak layers, and can be triggered by a skier.

Avalanche problems

Wind drifted snow (slab avalanches)

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

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
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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)

Monday 6. January 2020

Snøoverflaten er variert med fokksnø av ulik hardhet og skare, og snødekket har en kompleks oppbygning i deler av regionen etter svært skiftende vær. Mest snø i østvendt terreng.

Det finnes begerkrystaller ved bakken og kantkorn under skarelaget som ble dannet av mildværet i slutten av desember. Det finnes også lokalt nedsnødd overflaterim over et skarelag. Det varierer hvor lett det er å utløse skred i disse lagene. Utbredelsen av rimet er begrenset.

Lørdag ettermiddag ble det observert enkelte skred i brattheng og noen skavelbrudd i Vang. I tillegg ble det observert noen sprekkdannelser i fokksnøen.

Mountain weather

Monday 6. January 2020

4 mm precipitation, up to 10 mm in the most exposed areas. Fresh breeze from southwest, changing to moderate gale from the southwest during renoon. -5 °C to 1 °C at 1800 m a.s.l. Cloudy.

Tuesday 7. January 2020

10 mm precipitation, up to 30 mm in the most exposed areas. Strong breeze from southwest, changing to gale from the southwest during the afternoon. -7 °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

Nysnø og vind gir ustabil fokksnø i mange heng, spesielt vest i regionen. Stedvis kan en skiløper påvirke vedvarende svake lag, særlig i sentrale og nordlige deler av regionen. Skred som løsner ved bakken kan bli store. Stigende temperatur kan forbigående gi våte skred under mildværsgrensen sent på dagen.
Avalanche danger scale Important information for ski touring
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