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Avalanche warning for region Jotunheimen Friday 10.01.2020

Danger level 2 - Moderate avalanche danger

Published:
Demanding conditions due to wind deposited snow and persistent weak layers. Remote triggering is possible. Careful route planning recommended.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on some 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 a few 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

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 9. January 2020

Snødekket er variert etter svært skiftende vær, med mye vind og nedbør som både regn og snø, og store svingninger i temperatur. Snøoverflaten består stort sett av fokksnø med varierende hardhet eller skare. Det er mest snø i østvendte formasjoner.

Det finnes begerkrystaller ved bakken og kantkorn under skarelaget som ble dannet av mildværet i slutten av desember. Stedvis finnes nedsnødd overflaterim over et skarelag. Det varierer hvor lett det er å løse ut skred i disse lagene. Tirsdag melder observatør om kantkorndannelse under tynn skare i toppen av snødekket ved Tyin.

Ved Tyin ble det tirsdag rapportert om et lite tørt flakskred over mildværsgrensen, og flere små våte løssnøskred under mildværsgrensen.

Kraftig vind og mye vindtransport onsdag.

Mountain weather

Thursday 9. January 2020

4-8 mm precipitation. Gale from west, changing to breeze from the south during the afternoon. -10 °C to -6 °C at 1800 m a.s.l. Partly cloudy.

Friday 10. January 2020

No precipitation. Breeze from north, changing to strong breeze from the southwest during the evening. -12 °C to -7 °C at 1800 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

Fokksnø vil gradvis stabiliseres, men det er mulig for en skiløper å løse ut fokksnøflak i noen bratte heng. Det skal stedvis liten tilleggsbelastning til for å løse ut skred i vedvarende svake lag, skredene kan bli store. Fjernutløsning mulig, konservative rutevalg anbefales.
Avalanche danger scale Important information for ski touring
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