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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Nord-Trøndelag Monday 07.03.2022

Danger level 4 - High avalanche danger

Published:
Large amounts of rain will weaken the snowpack considerably. Keep good distance to avalanche terrain and run out zones for avalanches.

Avalanche problems

Wind drifted 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 new snow

Wet snow (loose snow avalanches)

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

Loose snow

Wet snow (slab avalanches)

Avalanches may release spontaneously 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 above a crust
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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.

Mountain weather

Monday 7. March 2022

25 mm precipitation, up to 70 mm in the most exposed areas. Rain up to 800 m a.s.l during the afternoon. Strong breeze from west. -4 °C to 0 °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

Lokalt store nedsbørsmengde, stigende temperatur og sterk vind skaper omfattende ustabile forhold, spesielt lengst nord i varslingsregion. Under mildværsgrensen vil regn svekke bindinger i nysnøen og det vil føre til mange små og middels store skred i alle eksposisjoner. Opp i fjellene hvor nedbøren kommer som snø vil det dannes ustabile flak med fokksnø som kan løsne av seg selv.

I nabo regionen Helgeland er det observert vedvarende svake lag med kantkorn dypere i snødekke, det er god grunn til å mistenke at dette laget finnes i Nord-Trøndelag også. Ved mye regn er det mulig at det kan påvirkes og svært store skred kan ikke utelukkes.

Varselet er basert på et enklere datagrunnlag enn regionale varsler og utgis kun for faregrad 4 og 5.
Avalanche danger scale Important information for ski touring
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