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Avalanche warning for region Svartisen Friday 29.12.2023

Danger level 3 - Considerable avalanche danger

Published:
Avoid areas with wind deposited snow. There are persistent weak layers in the snowpack, large avalanches can be triggered.

Avalanche problems

Persistent weak layer (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). Remote triggering is possible.

Buried weak layer of faceted snow near surface

Wind drifted snow (slab avalanches)

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

Poor bonding between layers in wind deposited snow
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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)

Thursday 28. December 2023

Tirsdag og onsdag kom det opp mot 40 cm nysnø. Mye av snøen lå fortsatt ubundet under tregrensa torsdag formiddag. Over tregrensa var det mye innblåst snø i leformasjoner, men også noe ubundet snø.

Kantkorn ved bakken finnes i hele regionen etter kuldeperiode i november og desember.
Det finnes også svake lag av kantkorn høyere i snøpakka. Observasjoner tyder på at dette laget har størst utbredelse nord i regionen, men liten eller ingen utbredelse sør i regionen.

Mountain weather

Thursday 28. December 2023

2 mm precipitation, up to 10 mm in the most exposed areas. Rain up to 100 m a.s.l Thursday night. Breeze from southeast. -18 °C to -5 °C at 1100 m a.s.l. Cloudy.

Friday 29. December 2023

Little to no precipitation. Strong breeze from southeast. -15 °C to -9 °C at 1100 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

Du kan lett løse ut skred der det ligger ferske fokksnøflak. Kraftig vind fra ny vindretning vil gi ustabil fokksnø i nye himmelretninger.
Fokksnøen har lagt seg over et ustabilt snødekke med vedvarende svake lag av kantkorn. Det kan derfor forbli lett å løse ut skred over lengre tid, og skred som løsner kan bli store. Observasjoner viser at kantkornlagene høyt i snødekket har størst utbredelse nord i regionen, for eksempel i Beiarn.
Avalanche danger scale Important information for ski touring
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