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Avalanche warning for region Indre Troms Friday 04.01.2019

Danger level 3 - Considerable avalanche danger

Published:
Very difficult conditions. Heavy snowfall, rising temperatures and strong winds have dumped large amounts of new snow in the region. Avoid recently loaded slopes in the alpine as wind slabs are easy to trigger. A persistent weak layer is active in the snowpack and can be remotely triggered. Be conservative.

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).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on a few 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 the ground
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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 3. January 2019

I løpet av de siste dagene har det kommet ca. 15-35 cm med snø i fjellet. Under 500 moh ligger snøen oppå et tynt skarelag etter mildvær forrige fredag. Over tregrensa er snøen påvirket av vind fra varierende retning, stedvis er det dannet harde fokksnøflak.

Etter en lengre periode med kulde før jul er det blitt dannet begynnende kantkornlag i snødekket, disse er observert både ved bakken og i midten av snødekket fra ca. 400 moh og oppover.

Torsdag ettermiddag/kveld gikk det et stort skred på Blåbærfjellet, samt at det rapporteres om flere små skred.

Mountain weather

Thursday 3. January 2019

15 mm precipitation, up to 20 mm in the most exposed areas. Strong breeze from south, changing to moderate gale from the west during the evening. -14 °C to -3 °C at 1100 m a.s.l. Cloudy.

Friday 4. January 2019

1-5 mm precipitation. Moderate gale from west, changing to breeze from the northwest during renoon. -9 °C to -4 °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

Uværet torsdag ventes å ha lagt ifra seg store nysnømengder og omfordelt snøen over skoggrensen. Fokksnøen vil være lett å løse ut de første dagene og mengdene tilsier at skred kan bli store. Det ventes noe snøtransport på formiddagen.
Mest trolig er det vedvarende svake laget av kantkorn aktivt i snødekket og kan fjernutløses.

Svært konservativ tilnærming til terrenget anbefales.
Avalanche danger scale Important information for ski touring
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