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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Tuesday 12.01.2021

Danger level 3 - Considerable avalanche danger

Published:
Complicated situation with persistent weak layers in the snow pack, wind and fresh snow. Avalanches may be released both naturally and remotely.

Avalanche problems

Persistent weak layer (slab 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 near surface

New snow (slab avalanches)

on some 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)

Monday 11. January 2021

Det har kommet 20-30 cm snø i ytre deler siden lørdag. I skogen er det mye løssnø og over skoggrensen er snødekket fortsatt mykt.

Klarvær og stor utstråling fra snødekket etter nyttår gav kantkorn og rim i overflaten stort sett overalt. Dette ligger nå under helgens snø men det er usikkert hvor mye som er ødelagt av vinden og hvor potent lagene er.

Mountain weather

Monday 11. January 2021

Little to no precipitation. Breeze from southwest. -16 °C to -10 °C at 1400 m a.s.l. Partly cloudy.

Tuesday 12. January 2021

8-12 mm precipitation. Strong breeze from northwest. -22 °C to -10 °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

Nysnø og kraftig vind fra nordvest vil gi ustabile nysnøflak i leheng. Der fokksnøflak legger seg på vedvarende svake lag med kantkorn eller rim vil de være veldig lette å løse ut. Disse ligger i hovedsak i øst og sørøst-vendte heng. Naturlig utløste skred er sannsynlig der fokksnøflak legger seg over vedvarende svake lag. Skredfaren vil oppleves lavere i områder med mindre snø.
Avalanche danger scale Important information for ski touring
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