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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Tromsø Thursday 04.03.2021

Danger level 3 - Considerable avalanche danger

Published:
Snowshowers may cause large local differences and demanding conditions. Be sure you have enough knowledge and experience before travelling in steep terrain. Be extra careful in lee areas with wind deposited snow. There are still weak layers in the snowpack.

Avalanche problems

New snow (slab avalanches)

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

Buried weak layer of new 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 near surface
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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 3. March 2021

Søndag var det plussgrader og regn opp til ca 900 moh.
Mandag sank temperaturen, og det har de siste dagene vært snøbyger med vind fra omkring vest som legger nysnøen ujevt fordelt i terrenget. Onsdag er det observert 30-40 cm løs snø.

Før mildværet i helga var det et komplekst snødekke med vedvarende svake lag av kantkorn/begerkrystaller og store lokale variasjoner pga mye vind.

Det er usikkert hvordan mildværet har påvirket vedvarende svake lag, men de fleste steder under ca 600 moh har de nok blitt fuktig/våt.

Mountain weather

Wednesday 3. March 2021

5 mm precipitation, up to 15 mm in the most exposed areas. Breeze from west, changing to fresh breeze from the north during the afternoon. 10 °C to -2 °C at 700 m a.s.l. Cloudy.

Thursday 4. March 2021

5 mm precipitation, up to 15 mm in the most exposed areas. Fresh breeze from north. -11 °C to -5 °C at 700 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

Fortsatt snøbyger og perioder med vind vil danne ferske flak i leområder.
I høyden, der mildværet i helgen ikke har ødelagt vedvarende svake lag, kan disse fortsatt gi store skred. De fleste steder er overliggende snø hard, slik at det er vanskelig å påvirke svake lag. Men vær særlig varsom i overgang fra tynt til tykt snødekke.
Avalanche danger scale Important information for ski touring
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