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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Nordenskiöld Land Thursday 08.04.2021

Danger level 4 - High avalanche danger

Published:
Avoid and keep distance to all avalanche terrain due to a very unstable snow pack. Skier triggered large and even very large avalanches likely, naturally triggered very large avalanches possible.

Avalanche problems

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury a large truck or destroy several houses (size 4). Remote triggering is possible.

Buried weak layer of faceted snow near the ground

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 surface

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).

Poor bonding between layers in wind deposited snow
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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)

Wednesday 7. April 2021

Snøoverflaten er svært vindpreget og det er stor variasjon i snømengde i terrenget. På vindutsatte områder er det avblåst ned til gammel skare eller til bakken.

Det ligger flere aktive vedvarende svake lag av kantkorn i snødekket under fokksnø. Ved bakken finnes begerkrystaller. Disse lagene har gitt store skred de siste dagene, og er lett å påvirke nå.

Etter søndagens uvær har det blitt meldt om flere store skred som har løsnet i kantkornlag. Skredene var naturlig utløst under uværet og løst ut /fjernutløst med liten tilleggsbelastning i etterkant.

Midt på dagen onsdag ble det meldt om 15 cm nysnø i Longyearbyen.

Mountain weather

Wednesday 7. April 2021

6-10 mm precipitation. Moderate gale from northeast. -17 °C to -8 °C at 700 m a.s.l. Cloudy.

Thursday 8. April 2021

2-6 mm precipitation. Moderate gale from northeast, changing to fresh breeze from the east during renoon. -6 °C to -3 °C at 700 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

Løs snø i terrenget og vindtransport ventes å avta noe, men snødekket er svært ustabilt med flere vedvarende svake lag. I noen heng kan det være lett å løse ut svært store skred, fjernutløsning er sannsynlig. Naturlig utløste store og svært store skred kan fortsatt forekomme. Unngå og hold god avstand til skredterreng.
Avalanche danger scale Important information for ski touring
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