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Avalanche warning for region Trollheimen Sunday 19.02.2023

Danger level 3 - Considerable avalanche danger

Published:
UPDATED 19.2 09:00: Unstable storm slabs after snowfall and snowdrift the last few days.

Avalanche problems

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).

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)

Sunday 19. February 2023

Det har snødd og blåst over ca. 600 moh sidan fredag ettermiddag. Opp til ca. 1300 moh ligg nysnøen på skare eller smelteomdanna overflate. Høgt til fjells ligg den på harde flak av vindtransportert snø. I låglandet, opp til ca. 700 moh, er heile den gamle snøpakka smelteomdanna.

Kantkornlag nederst i snødekket finst kun høgt til fjells i indre strøk. Laget er i ferd med å miste dei ugunstige eigenskapane.

I Innerdalen (405 moh) i Sunndal, var det laurdag morgon -2 °C. Det hadde kome 30 cm snø siste døgn. På Storhornet (1550 moh) i Oppdal blas det 14 m/s frå nord.

Mountain weather

Saturday 18. February 2023

20 mm precipitation, up to 40 mm in the most exposed areas. Rain up to 300 m a.s.l Saturday night. Moderate gale from northwest. -12 °C to -5 °C at 1400 m a.s.l. Cloudy.

Sunday 19. February 2023

8-10 mm precipitation. Rain up to 200 m a.s.l during the evening. Strong breeze from northwest, changing to fresh breeze from the west during the afternoon. -15 °C to -8 °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

OPPDATERT SØNDAG MORGON KL. 09:00: Det har kome mykje snø dei siste dagane. Ein skiløpar kan lett løyse ut store skred der det finst døgnferske fokksnøflak. Skred er lettast å løyse ut der desse flaka er mjuke. Eldre fokksnøflak fra tidlegare i helga, vil vere meir stabile og vanskelegare å løyse ut.
Avalanche danger scale Important information for ski touring
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