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Avalanche warning for region Vest-Telemark Saturday 31.03.2018

Danger level 2 - Moderate avalanche danger

Published:
Persistent weak layers and wind deposited snow are a problem at high elevations. Wet avalanches can release in steep terrain in lower areas because of sun and high temperatures.

Avalanche problems

Persistent weak layer (slab avalanches)

You can 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 faceted snow above a crust

Wind drifted snow (slab avalanches)

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

Poor bonding between layers in wind deposited snow

Wet snow (loose snow avalanches)

You can very 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)

Friday 30. March 2018

Snøoverflaten er stort sett vindpåvirket med myk eller hard fokksnø, samt skare. Solen har begynt å påvirke snøen og danne skarelag i solhellingene når det fryser til på natten.

Det finnes flere vedvarende svake lag nede i snødekket.

Kantkorn kan utvikles i toppen av snødekket, og bør følges med på.

Mountain weather

Friday 30. March 2018

No precipitation. Breeze from east. -18 °C to -9 °C at 1400 m a.s.l. Partly cloudy.

Saturday 31. March 2018

No precipitation. Calm/light breeze from southeast. -17 °C to -8 °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

Lite vind og kaldt vær gir liten endring i skredfaren.

Det finnes svake lag av kantkorn nede i snødekket som kan påvirkes der snødekket er tynt eller mykt. Skred som løsner i vedvarende svake lag kan bli str 3 (middels store) lengst vest i regionen.

Fokksnøen vil langsomt stabilisere seg, men pga lave temperaturer tar dette tid.

Små, våte løssnøskred kan utløses i bratte, solvendte hellinger om ettermiddagen.
Avalanche danger scale Important information for ski touring
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