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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Ofoten Sunday 30.12.2018

Danger level 3 - Considerable avalanche danger

Published:
The snowpack is very unstable. Avoid areas with wind-deposited snow. It is also possible to trigger avalanches in a persistant weak layer in old snow found in bowls and gullies.

Avalanche problems

New 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).

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 near surface

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)

Saturday 29. December 2018

Tykkelsen på snødekket varierer mye. De siste dagene er det kommet 30-40 cm nysnø med kraftig vind i fjellet. Det ligger mest snø i Ø-vendte leformasjoner.

Ved kysten og i lavlandet opp til ca 500 moh er snøoverflaten våt grunnet kraftig regn de siste dagene.

Mildvær opp til 5-600moh før jul, og etterfølgende kulde gjorde at det dannet seg kantkorn under skare og rim oppå. Mildværet siste dagene har trolig ødelagt dette laget under 300 moh. Vi mottar gjerne observasjoner i regObs som bekrefter eller avkrefter disse lagene.

Det er ikke observert skredaktivitet de siste 3 døgn.

Mountain weather

Saturday 29. December 2018

20 mm precipitation, up to 30 mm in the most exposed areas. Moderate gale from southwest, changing to moderate gale from the northwest during the evening. -11 °C to -2 °C at 1400 m a.s.l. Cloudy.

Sunday 30. December 2018

8 mm precipitation, up to 15 mm in the most exposed areas. Fresh breeze from west, changing to moderate gale from the southwest during the evening. -13 °C to -9 °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

Det ventes roligere vær og skredfaren avtar, men det vil fremdeles være krevende forhold i fjellet. Det er i fjellet skredproblemene er størst da det er her det ligger mest snø.

Ferske fokksnøflak stabiliseres gradvis. Vær oppmerksom i høyden der fokksnø ligger oppå nedføyka overflaterim og/eller kantkorn.
Avalanche danger scale Important information for ski touring
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