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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Sogn Friday 17.02.2023

Danger level 3 - Considerable avalanche danger

Published:
The danger increases when the wind picks up. Avoid areas with wind deposited snow, typically behind ridges, ribs and in gullies.
  • The danger is greatest from Friday evening

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

Persistent weak layer (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). Remote triggering is possible.

Buried weak layer of faceted snow beneath 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.

Snow cover (in Norwegian)

Thursday 16. February 2023

Snøoverflata er smelteomdanna opp til ca 1100 moh. I høgfjellet er det vindpakka mjuk snø.

I høgfjellet over 1100-1200 moh viser tidlegare observasjonar at kantkornlaget ved bakken framleis er intakt, men det ligg no under hard og berande snø.
Høgare i snøen under eit skarelag, har det utvikla seg eit anna kantkornlag. Dette gjeld også frå ca 1100-1200 moh og oppover.

Måndag vart det observert nokre glideskred i Jostedal.

Mountain weather

Thursday 16. February 2023

10 mm precipitation, up to 20 mm in the most exposed areas. Rain up to 800 m a.s.l Thursday night. Fresh breeze from west. -7 °C to -2 °C at 1400 m a.s.l. Cloudy.

Friday 17. February 2023

25 mm precipitation, up to 40 mm in the most exposed areas. Rain up to 900 m a.s.l during the afternoon. Fresh breeze from south, changing to moderate gale from the northwest during the evening. -8 °C to -2 °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

Sterk vind om kvelden vil blåse nysnøen som kjem torsdag og fredag inn i leområder og danne fersk fokksnø. Observasjonar tyder på at det har vore danna vedvarande svakt lag av kantkorn høgt i snødekket dei siste dagane som fokksnøen vil legge seg på. Dette gjer at det kan ta lang tid før ferske flak stabilserer seg. Medan snøtransporten er på det kraftigaste, kan enkelte skred løysne naturleg.

I låglandet vil det kome nedbør som regn, men snødekket her har allereie vore gjennom kraftig mildver, og det ventast at det tåler dette regnveret godt.

I høgfjellet finst det kantkorn ved bakken, men dette ligg under hard og bærande snø og er vanskeleg å påverke.
Avalanche danger scale Important information for ski touring
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