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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Trollheimen Monday 18.01.2021

Danger level 2 - Moderate avalanche danger

Published:
Avoid leeward slopes, wind deposited snow are covering persistent weak layer. Beware of danger signs like shooting cracks and whumpf-sounds.

Avalanche problems

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow near surface

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).

Poor bonding between layers in wind deposited 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)

Sunday 17. January 2021

I skogen er det mjuk snø og godt skiføre. Over tregrensa varierer det mellom mjuke og harde flak, skare og mjuk snø i skjerma formasjonar. Mykje vind har gitt snøtransport til sør og søraustlege leområder. Ryggar og utsette formasjonar er delvis avblesne.

Klårvær og stor utstråling fra snødekket etter nyttår gav kantkorn og rim i overflata stort sett overalt. Det ligg no nedføyka kantkorn i store deler av regionen, ofte over skarelag.

Det er observert drønn fra kantkornlag mange stadar i regionen.

Mountain weather

Sunday 17. January 2021

Little to no precipitation. Fresh breeze from southeast, changing to breeze from the southwest during renoon. -14 °C to -4 °C at 1400 m a.s.l. Partly cloudy.

Monday 18. January 2021

Little to no precipitation. Fresh breeze from south. -16 °C to -6 °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

Det er vedvarande svake lag i snødekket, og det kan vere vanskeleg å forutsjå kvar desse er. Skredproblemet er hovedsakleg i sør- og austvendte heng.

Vind frå sør vil legge opp ferske fokksnøflak i nordlege leheng.

Ein lyt vere merksam fareteikn som drønn og skytande sprekkar og ein anbefalar konservative vegval.

Tynt snødekke og mykje oppstikkande stein gjer at sjølv mindre skred kan gjere stor fysisk skade.
Avalanche danger scale Important information for ski touring
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