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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Sogn Sunday 31.03.2019

Danger level 2 - Moderate avalanche danger

Published:
Be careful in areas with windslabs. A persistent weak layer of facets may be triggered, especially where the snow cover is thin.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on a few 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

Glide avalanches

Not given on a few steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Wet snow/melting near the ground

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)

Saturday 30. March 2019

I østvendte leområder i høyden ligger det fersk vindtransportert snø. Vindutsatte områder har is, bart og skareføre. Fra ca 1000 moh og lavere har varme og fukt omdanna den gamle snøen til grovkorna snø.

Det finnes svakt lag av kantkorn i det gamle snødekket under skare og begynnende kantkorndannelse over skare. Kantkorn i det gamle snødekket har den siste tid vært aktivt og kan påvirkes i hovedsak ved stor tilleggsbelastning.

Mandag løsnet et svært stort skred str 4 på kantkornlag under skare i NV vendt terreng sør for Vanndalsvatnet i Jostedal. Flere store våte skred observert 29.03.


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Mountain weather

Saturday 30. March 2019

10 mm precipitation, up to 20 mm in the most exposed areas. Strong breeze from west, changing to fresh breeze from the northwest during the afternoon. -12 °C to -2 °C at 1400 m a.s.l. Cloudy.

Sunday 31. March 2019

3-6 mm precipitation. Strong breeze from northwest, changing to breeze from the west during the afternoon. -13 °C to -7 °C at 1400 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

Lavere temperatur og ubetydelig nedbørsmengde fører til stabilisering av snødekket og lavere skaredfaren. Vindtransportert snø i høyden må imidlertid fremdeles tas hensyn til og det vil fremdeles være mulig å løse ut skred. Kantkornlag har vist seg aktive i regionen og det er mulig å fjernutløse skred, spesielt på tynt snødekke. Faren for våte skred avtar, men faren for glideskred opprettholdes. Hold avstand til synlige sigesprekker.
Avalanche danger scale Important information for ski touring
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