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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Troms Saturday 05.02.2022

Danger level 3 - Considerable avalanche danger

Published:
Avoid avalanche terrain with newly deposited wind slabs. The wind slabs can be deposited on top of persistent weak layers, making it possible to trigger avalanches from a distance and making avalanches larger. The shallowest persistent weak layer is easiest to trigger, while the deepest can give very big avalanches.

Avalanche problems

Wind drifted snow (slab avalanches)

Avalanches may release spontaneously 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 new snow

Persistent weak layer (slab avalanches)

Avalanches may release spontaneously 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 above a crust

Persistent weak layer (slab avalanches)

You can trigger avalanches on a few steep slopes. Avalanches can get large enough to bury a large truck or destroy several houses (size 4).

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)

Friday 4. February 2022

Det skal vere sterk vind frå søraust, som vil påverke snøoverflata. Den vekslar mellom skare, fokksnø av varierande hardheit og ubunden snø, alt etter kvar vinden har, og kjem til, å ta.

Sidan det har vore så kaldt den siste tida har det utvikla seg kantkorn høgt i snødekket, mellom anna rundt skara frå siste mildvær (23. januar). Det finnast også eldre kantkornlag lenger ned i snødekket, men dei er vanskelegare å påverke.

Mountain weather

Friday 4. February 2022

3-6 mm precipitation. Precipitation as snow. Storm from southeast, changing to moderate gale from the southeast during the afternoon. -20 °C to -15 °C at 1100 m a.s.l. Cloudy.

Saturday 5. February 2022

Little to no precipitation. Moderate gale from southeast. -17 °C to -10 °C at 1100 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

Vinden held seg sterk, og skred kan vere svært lett å løyse ut skred i den ferske fokksnøen. Denne kan ligge over vedvarande svake lag, noko som gjer at skred både kan fjernutløysast og bli større enn om slike lag var fråverande. Eit og anna skred kan gå naturleg, men sannsynet for det minkar. Det er usikkert om vekta av nyinnlasta snø er stor nok til å påverke dei djupare vedvarande svake laga, men om det er det kan det gå svært store skred.
Avalanche danger scale Important information for ski touring
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