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Avalanche warning for region Sunnmøre Friday 10.02.2023

Danger level 3 - Considerable avalanche danger

Published:
Big avalanches can release by themselves or be easy to trigger. Wind and storm slabs are the main problem at the beginning of the day, but wet snow can also become a problem as the temperatures rises later in the day.

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 (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).

Water pooling in/above snow layers

Wet snow (loose snow avalanches)

Avalanches may release spontaneously on some steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

Loose 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)

Thursday 9. February 2023

Snøvêr og sterk vind torsdag og utover fredagen vil gi stor snøtransport og ei vindpåverka snøoverflate i høgda. Mange stadar er det truleg hard fokksnø, men stadvis kan denne vere lettare bunden. På dei mest vindutsette stadane vil det truleg bli avblåst til bakken eller skare.

Utover dagen vil det bli mildare, og regn vil raskt gjere snøen våt under mildvêrsgrensa, som er meldt opptil 1200 moh om kvelden.

Djupare i snødekket er det observert kantkornlag rundt gamal mildvêrsskare. Desse har gitt utslag i stabilitetstestar, men det er ikkje kjent at det har ført til skred. Laget kan moglegens påverkast nokre få stadar.

Mountain weather

Thursday 9. February 2023

25 mm precipitation, up to 35 mm in the most exposed areas. Rain up to 400 m a.s.l Thursday night. Gale from south, changing to strong gale from the west during the evening. -10 °C to -2 °C at 1400 m a.s.l. Partly cloudy.

Friday 10. February 2023

25 mm precipitation, up to 50 mm in the most exposed areas. Rain up to 1200 m a.s.l during the evening. Strong breeze from west, changing to strong breeze from the southwest during the afternoon. -12 °C to -3 °C at 1400 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 skred kan losne av seg sjølv eller vere lette å løyse ut. På starten av dagen er skredfara i hovudsak knytt til ustabil fokksnø sidan det lokalt er mykje nysnø og sterk vind. Når det blir mildare utover ettermiddagen og kvelden vil det også kunne gå våte skred, sidan mykje regn vil svekke bindingane i nysnøen under mildvêrsgrensa.

Vedvarande svake lag kan moglegens påverkast av vêr eller ferdsel nokre få stadar.
Avalanche danger scale Important information for ski touring
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