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Avalanche warning for region Svartisen Saturday 09.12.2017

Danger level 3 - Considerable avalanche danger

Published:
Locally unstable conditions due to wind slabs in lee areas. A weak layer of facets or surface hoar may also be triggered where the snow cover is thin.

Avalanche problems

Wind drifted 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).

Poor bonding between layers in wind deposited snow

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 near surface
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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 8. December 2017

Vind opp i storm styrke har flyttet på det meste av snø i fjellet. Overflaten veksler mellom hard fokksnø og avblåste partier.

Det observerte kantkornlaget ligger nå begravd under fokksnø eller er avdekket der det er avblåst.

Ikke observert naturlig utløste skred de siste dagene.

Det kom store mengder snø onsdag og torsdag etterfulgt av svært kraftig vind fra øst (fra nordøst sør i regionen). Betydelig snøtransport.

Mountain weather

Friday 8. December 2017

1 mm precipitation, up to 8 mm in the most exposed areas. Strong gale from southeast. -10 °C to -4 °C at 1100 m a.s.l. Cloudy.

Saturday 9. December 2017

2 mm precipitation, up to 10 mm in the most exposed areas. Moderate gale from southeast. -7 °C to -3 °C at 1100 m a.s.l.

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

Vinden avtar noe men fortsatt kuling og litt nedbør vil gi snøtransport og ustabile flak kan finnes i leformasjoner. Størst skredfare der nedbøren treffer. Kantkornlag vil mange steder ligge under hard fokksnø men kan trigges der snødekket er tynt eller mykt.

Skredfaren ventes å være 3-betydelig men er minkende.
Avalanche danger scale Important information for ski touring
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