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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Svartisen Wednesday 08.04.2020

Danger level 4 - High avalanche danger

Published:
Naturally triggered avalanches are likely. Increasing danger due to warm temperatures and rain. At higher elevations, large wind slabs can be easily triggered or release spontaneously. Avalanches could step-down and trigger the old deep-persistent weak layer.

Avalanche problems

Wet snow (slab avalanches)

on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Water pooling in/above snow layers

Wind drifted snow (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 new 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 above a crust
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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)

Tuesday 7. April 2020

Det var mildt med plussgrader til 1200 moh på mandag og tirsdag. Her er snøoverflaten fuktig. Det ligger mye løs snø i terrenget. I høyden er den tilgjengelig for vindtransport. Under nysnøen ligger det vindpåvirket snø av ulik hardhet.

Det er flere kantkornlag i snødekket. Kantkornene har blitt større og mer tydelig de siste dager, men ligger under bærende lag.

De siste dagene har det ikke blitt observert nevneverdig skredaktivitet.

Mountain weather

Tuesday 7. April 2020

18 mm precipitation, up to 35 mm in the most exposed areas. Strong breeze from southwest, changing to gale from the southwest during the evening. -4 °C to 1 °C at 1100 m a.s.l. Cloudy.

Wednesday 8. April 2020

35 mm precipitation, up to 50 mm in the most exposed areas. Gale from southwest. -6 °C to -1 °C at 1100 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

Det ventes kraftig vind og mye nedbør. Under skoggrensen ventes det naturlig utløste våte skred der snødekket blir gjennomfuktet av regnet.
Over skoggrensen vil vind og store nysnømengder føre til rask pålagring av betydelige mengder fokksnø til leområder. Flakene vil være lett å løse ut og det ventes noen naturlig utløste store skred.
Skred som løsner grunnet regn og pålagring av fokksnø kan påvirke kantkornet snø dypere i snødekket og skredene kan da øke i omfang.
Avalanche danger scale Important information for ski touring
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