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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Saturday 08.12.2018

Danger level 2 - Moderate avalanche danger

Published:
Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Especially where the wind deposited slabs are thin or soft, a slab avalanche is easier to trigger here. Decreasing avalanche hazard during the day.

Avalanche problems

Wind drifted snow (slab avalanches)

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

Buried weak layer of new 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)

Friday 7. December 2018

Nysnøen strekk seg no ned mot fjordnivå. Det er varierande mengde med mest nysnø i ytre og nordlige strok av regionen. Omlag 10-20 cm i Oppdalsfjella, og 20- 30 cm i Sunndalsfjella. Dette er første større snøfall sidan midt i oktober. Nysnøen ligg stort sett på ein bar bakke med barfrost frå siste kuldeperiode. Over 1000 moh er det enkelte fonner av gammelsnøen frå oktober. Denne gammelsnøen er smelteomvandla og hard, og ligg spredt i forsenkingar og små botnar i terrenget.

Ikkje observert skredaktivitet

Observasjonar fredag viser tildels mykje laus snø tilgjengeleg for vinden.

Mountain weather

Friday 7. December 2018

1-3 mm precipitation. Fresh breeze from south, changing to strong breeze from the southeast during the afternoon. -9 °C to -3 °C at 1400 m a.s.l. Cloudy.

Saturday 8. December 2018

4-6 mm precipitation. Fresh breeze from southeast, changing to breeze from the southeast during renoon. -8 °C to -4 °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

Kraftig vind fredag har lagt opp fokksnøflak i leområdene. Det er ventelig i le for dei største henteområda at fokksnøflaka er store nok til å gi skred av små eller middels storleik. Vær derfor varsom i slike områder. Fokksnøen treng tid til å stabilisere seg.
Avalanche danger scale Important information for ski touring
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