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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Wednesday 06.12.2017

Danger level 3 - Considerable avalanche danger

Published:
Conditions are challenging. Be sure you have enough knowledge and experience before travelling in steep terrain. Be extra careful in lee areas with wind deposited snow. There are still weak layers in the snowpack.

Avalanche problems

New snow (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).

Buried weak layer of new snow

New snow (loose snow avalanches)

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

Loose snow

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)

Tuesday 5. December 2017

Mykje fuktig nysnø i låglandet. Laus og lett vindpåvirka snø over mildværsgrensa, som tirsdag går ca på 200moh.

Rundt skarelag nede i snødekket er kantkorndannelse i gang.

Snøgrensa er tirsdag ved havnivå, betydelig meir snø i ytre og høgare fjellstrøk.

Mountain weather

Tuesday 5. December 2017

15 mm precipitation, up to 30 mm in the most exposed areas. Strong breeze from northwest, changing to breeze from the west during renoon. -9 °C to -1 °C at 1400 m a.s.l. Cloudy.

Wednesday 6. December 2017

5-8 mm precipitation. Breeze from southeast. -12 °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

Dei store snømengdene siste dagane treng tid til å stabilisere seg. Enkelte stader kan nysnømengdene løse ut svakare kantkornlag djupt i snødekket, og skred kan bli str 3, middels. I høgda er nysnøflak skredproblemet, i låglandet kan det gå naturlig utløste våte skred. Faregraden blir vurdert til 3-betydelig.
Avalanche danger scale Important information for ski touring
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