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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Tromsø Friday 04.01.2019

Danger level 3 - Considerable avalanche danger

Published:
Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies above the tree line.

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

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 15-30cm med nysnø som er tilgjengelig for vindtransport. Over tregrensa er snøen påvirket av vind fra varierende retning, stedvis er det dannet hard fokksnø og det kan være avblåst og skare på enkelte rygger. Torsdag er det mildvær og snøoverflaten i lavlandet vil bli våt.

Torsdag morgen er det observert vindkast rundt 15 m/s og snøfokk i Tromsø.

Mountain weather

Thursday 3. January 2019

20 mm precipitation, up to 25 mm in the most exposed areas. Moderate gale from southwest, changing to fresh breeze from the west during the evening. -10 °C to 1 °C at 700 m a.s.l. Cloudy.

Friday 4. January 2019

1-5 mm precipitation. Breeze from northwest. -6 °C to 0 °C at 700 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

Mildværet og den kraftige vinden på torsdag ventes å danne ferske ustabile fokksnøflak i leformasjoner rundt NØ retning. Disse vil begynne å stabilisere seg når uværet har passert, og skredfaren vil avta til faregrad 2 - moderat utover dagen. Under mildværgrensen vil snødekket trolig være uten spenninger og stabilt.
Avalanche danger scale Important information for ski touring
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