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Avalanche warning for region Helgeland Tuesday 12.04.2022

Danger level 3 - Considerable avalanche danger

Published:
The situation is tricky, conservative terrain choices are recommended. Old persistent weak layers can be triggered and produce large avalanches. If the sun peeks out for prolonged periods, wet loose avalanches could occur.

Avalanche problems

Persistent weak layer (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). Remote triggering is possible.

Buried weak layer of faceted snow above a crust

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)

Monday 11. April 2022

Under tregrensen og i vindskjermede områder består snøoverflaten i hovedsak av løssnø. I leområder på fjellet ligger det vindtransportert snø av varierende fasthet. Vindutsatte områder på fjellet er det blåst ned på gammel skare.

Ytre strøk mindre ustabile forhold.

Det er observert kantkornlag innad i fokksnøen høyt i snødekket og ned mot den gamle skaren.

Det meldes om en god del flakskred som har løsnet de siste dagene ved Mosjøen.

Mountain weather

Monday 11. April 2022

2-4 mm precipitation. Rain up to 300 m a.s.l during the afternoon. Breeze from east, changing to breeze from the northwest during the afternoon. -16 °C to -3 °C at 1100 m a.s.l. Partly cloudy.

Tuesday 12. April 2022

Little to no precipitation. Breeze from south. -8 °C to -2 °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

Situasjonen ventes å være krevende med flere ulike skredproblem. Konservative turvalg anbefales.

Det mest alvorlige problemet er knyttet til svake lag av kantkorn. Det er lett løse ut store skred, også fra avstand (fjernutløsning). Problemet er mest utbredt i indre strøk.

Fokksnøflakene som ble dannet søndag ventes å stabilisere seg raskt. Men det kan være mulig å løse ut skred noen steder.

Skulle sola titte frem i lengre periode kan det løsne våte skred i bratte solhellinger.



Avalanche danger scale Important information for ski touring
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