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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Troms Sunday 17.04.2022

Danger level 3 - Considerable avalanche danger

Published:
Large avalanches are likely. High temperatures and rain is weakening the snowpack. Old persistent weak layers can collapse. Wind slabs can be triggered in the high alpine. The forecast is uncertain. Avoid avalanches terrain.

Avalanche problems

Wet snow (slab avalanches)

Avalanches may release spontaneously on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Buried weak layer of faceted snow near surface

Wet snow (loose snow avalanches)

Avalanches may release spontaneously on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Loose snow

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
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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 16. April 2022

Lørdag er det mildt i regionen og noe nedbør som regn i fjellet.

Snøoverfalten ventes å være fuktig/våt høyt til fjells.

Før mildværet var det ujevn fordeling av fokksnø i terrenget og store lokale forskjeller i skiføret.

Over mildværsskaren fra mars ligger det et svakt lag av kantkorn. Det svake laget er flere steder dekt av fokksnøflak av ulik hardhet og har forårsaket flere skred den siste tiden.

Det er ikke rapportert om skredaktivitet siste døgnet.

Tidligere i uken gikk det flere flakskred på kantkornlaget.

Mountain weather

Saturday 16. April 2022

1-3 mm precipitation. Rain up to 800 m a.s.l during the afternoon. Strong breeze from southwest. -5 °C to 0 °C at 1100 m a.s.l. Cloudy.

Sunday 17. April 2022

1-4 mm precipitation. Rain up to 1100 m a.s.l during renoon. Fresh breeze from west. -2 °C to 2 °C at 1100 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

Store naturlig utløste skred ventes over skoggrensen. Unngå skredterreng.

Stigende temperaturer og regn vil svekke de svake lagene av kantkorn.

Over mildværsgrensen kan det danne seg små, ustabile fokksnøflak.

Varslet er noe usikkert siden det er vanskelig å anslå hvor stor påvirkningskraft mildværet har på det svake laget.
Avalanche danger scale Important information for ski touring
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