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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Sør-Troms Thursday 03.01.2019

Danger level 3 - Considerable avalanche danger

Published:
Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Especially where the wind deposited slabs are thin or soft, a slab avalanche is easier to trigger here.

Avalanche problems

Wind drifted snow (slab avalanches)

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

Buried weak layer of new snow

Wet snow (slab avalanches)

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

Water pooling in/above snow layers
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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 2. January 2019

Den siste uka har det vært mildvær og regn og kaldt og snø om hverandre.
De siste dagene er det kommet 20-30 cm nysnø med kraftig vind. Der vinden har tatt ligger mildværsskaren i overflaten. Det ligger mest snø i øst- og sørvendte leformasjoner.

I Harstad ble det lørdag fortsatt observert kantkorn under et skarelag fra 400moh og opp. Skaren (og da kantkornlaget) er begrenset til ca 600moh som var øvre høyde på mildværet før jul som dannet skaren. Vi mottar gjerne observasjoner i regObs som bekrefter eller avkrefter disse lagene.

Mountain weather

Wednesday 2. January 2019

5 mm precipitation, up to 12 mm in the most exposed areas. Fresh breeze from northwest, changing to breeze from the southwest during the afternoon. -17 °C to -6 °C at 1100 m a.s.l. Cloudy.

Thursday 3. January 2019

20 mm precipitation, up to 30 mm in the most exposed areas. Moderate gale from southwest, changing to fresh breeze from the west during the evening. -11 °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

Nysnø og kraftig vind vil danne ustabile fokksnøflak i høyden. Disse flakene vil være lette å løse ut og det kan gå noen naturlig utløste skred.

I lavlandet er det fare for naturlig utløste våte skred.
Avalanche danger scale Important information for ski touring
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