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Avalanche warning for region Nord-Troms Friday 10.01.2020

Danger level 2 - Moderate avalanche danger

Published:
Be careful in areas with wind deposited snow. There is a persistent weak layer buried in the snow pack.

Avalanche problems

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

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)

Thursday 9. January 2020

Det er store variasjoner innad i regionen. Grensen for mildværet tirsdag og onsdag gjør at snøoverflaten er tørr vindpåvirket over ca. 500-600 moh. Under dette har snødekket vært vått og det har onsdag kveld dannet seg et tynt lag med smelte-fryse skare.

Det er observert lag med kantkorn over, under og mellom skarelag over 600 moh. Det finnes oftest i de øverste 50 cm av snødekket.

Fra ca. 600 moh. og høyere er det observert kraftig snøfokk onsdag kveld.

Mountain weather

Thursday 9. January 2020

10 mm precipitation, up to 20 mm in the most exposed areas. Moderate gale from southwest, changing to storm from the west during renoon. -9 °C to -3 °C at 1100 m a.s.l. Cloudy.

Friday 10. January 2020

2-5 mm precipitation. Strong breeze from west. -8 °C to -3 °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

Bygevær gir store lokale variasjoner. Torsdag er det meldt betydelige mengder nedbør i regionen. Fersk nysnø i fjellet i kombinasjon med kraftig vind gjør at det vil legge seg opp ny ustabil fokksnø i leområder. Skredfaren vil avta utover dagen. Forholdsvis mildt vær gjør at fokksnøen stabiliseres hurtig.

Det finnes flere vedvarende svake lag av kantkorn dypere i snødekket. Dette kan være mulig å løse ut enkelte steder der snødekket er tynt og avblåst.
Avalanche danger scale Important information for ski touring
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