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Avalanche warning for region Indre Troms Thursday 05.12.2019

Danger level 3 - Considerable avalanche danger

Published:
As the intensity of the rain decreases and the temperatures drop the concern now focused on recently loaded slopes in the alpine. Persistent weak layers may also be triggered in some altitudes. At lower elevation the snow pack is wet.

Avalanche problems

Wind drifted 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).

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 beneath 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)

Wednesday 4. December 2019

Snødekket er preget av mildværet og mye regn onsdag. I lavlandet er snøen trolig gjennomfuktet og våt til bakken. Snøoverflaten ventes å være påvirket av fukt helt opp mot 900 moh.

Onsdag ble det observert flere flakskred i Tamokdalen rundt 800 moh høyde. Et skred hadde gått ned til bakken.

Mountain weather

Wednesday 4. December 2019

15 mm precipitation, up to 30 mm in the most exposed areas. Strong breeze from west, changing to gale from the southwest during the afternoon. -2 °C to 2 °C at 1100 m a.s.l. Cloudy.

Thursday 5. December 2019

3-6 mm precipitation. Strong breeze from southwest, changing to breeze from the southwest during renoon. -9 °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

De største påkjenningene fra mildværet er trolig forbi og temperaturen vil synke utover dagen. Snøgrensen vil krype nedover og det kan danne seg nye fokksnøflak i høyden. Disse vil trolig raskt stabiliserer seg pga. milde temperaturer og mye fukt i snøen. Der snødekket er gjennomfuktet ventes raskt stabile forhold, men våte skred i lavlandet først på dagen kan ikke utelukkes. Dypt i snødekket kan det finnes vedvarende svake lag av kantkorn i snødekket som kan gi store skred, men det er usikkert hvor lett det er å påvirke disse.
Avalanche danger scale Important information for ski touring
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