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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Thursday 01.04.2021

Danger level 2 - Moderate avalanche danger

Published:
A persistent weak layer of facets may be present in higher elevations. Wet loose avalanches are likely in steep sun-exposed terrain.

Avalanche problems

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 near surface

Wet snow (loose snow avalanches)

You can easily trigger avalanches 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)

Wednesday 31. March 2021

Mildvær og regn de siste dagene har fuktet snødekket. Pga. lavere temperaturer har det nå blitt dannet skare i overflaten i høyden. I lavereliggende terreng er snøpakken gjennomfuktet, og snøoverflaten er fortsatt fuktig.

Kantkornlag i snødekket, dannet under tidligere kuldeperioder, kan fortsatt være et problem høyt til fjells.

Mountain weather

Wednesday 31. March 2021

6-10 mm precipitation. Calm/light breeze from north. -6 °C to 3 °C at 1100 m a.s.l. Cloudy.

Thursday 1. April 2021

No precipitation. Breeze from north, changing to fresh breeze from the northwest during the afternoon. -7 °C to 4 °C at 1100 m a.s.l. Clear skies.

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

Høyt til fjells kan det fortsatt finnes kantkornlag i snødekket. Generelt skal det stor belastning til for å løse ut skred i kantkornlaget. Enkelte steder der snødekket er tynt i høyden kan det likevel være mulig for en enkelt skiløper å løse ut skred. Dersom skred først løsner kan de bli store.

Fuktig snødekke vil fryse til i klarværet over natten, men tine igjen der solen tar utover dagen. I solvendt terreng vil stabiliteten i snødekket svekkes, og skredfaren øker utover dagen.
Avalanche danger scale Important information for ski touring
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