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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Nord-Troms Saturday 04.01.2020

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh wind deposited snow. Old persistent weak layers exist in the snow cover, and can be triggered where the snow cover is thin.

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 above a crust

Wind drifted snow (slab avalanches)

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

Buried weak layer of new 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)

Friday 3. January 2020

Torsdag var det forbigåande mildvær opp til ca. 900 moh, samt nedbør og sterk vind. Dette har påverka snødekket og har gitt tynn regnskare under mildværsgrensa som i ettertid har kome snø på. I fjellet er snøen vindpåverka.

Det er observert lag med kantkorn over, under og mellom skarelag over 600 moh. Det finnast oftast i dei øvste 50 cm av snødekket.

Fredag hadde det gått eit stort flakskred på kantkorn frå Gillanvarri.

Mountain weather

Friday 3. January 2020

2 mm precipitation, up to 8 mm in the most exposed areas. Strong breeze from southwest, changing to strong breeze from the west during the evening. -11 °C to -1 °C at 1100 m a.s.l. Partly cloudy.

Saturday 4. January 2020

10 mm precipitation, up to 18 mm in the most exposed areas. Gale from northwest, changing to fresh breeze from the northwest during the evening. -13 °C to -6 °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 finnast allereie fokksnøflak i fjellet, og nye vil bli danna når vinden dreier mot NV og gir mykje nedbør og vind. Det kan då vere mogleg å løyse ut flakskred i mange himmelretningar. Det er i tillegg vedvarande svake lag av kantkorn som kan påverkast der snødekke er tynt og mjukt. Skred kan gå naturleg både i fokksnøen og på kantkornlag som følgje av auka last av snø.
Avalanche danger scale Important information for ski touring
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