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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Tromsø Friday 05.01.2024

Danger level 2 - Moderate avalanche danger

Published:
Wind deposited snow could rest on a persistent weak layer of facets. In some areas an avalanche can be triggered by snowmobiles. Small, unstable slabs of fresh snow can form in leward slopes during the day.

Avalanche problems

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow near surface

Wind drifted snow (slab avalanches)

You can very easily trigger avalanches on a few steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

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 4. January 2024

Snødekket er variert etter en tid uten nedbør. I skogen er det en del løssnø og mjuk snø. Over skoggrensa er snødekket mer vindpåvirka med varierende hardhet i overflata.

Det er et vedvarende svakt lag av kantkorn langs bakken med stor utbredelse. Et anna svakt lag med kantkorn høyare i snødekket virker å ha mer variert utbredelse.

Observatører framhever at laga er tilstede, men de gir lite faretegn. Været siste tida gir gode forhold for utvikling av kantkornlaga, samt overflaterim.

Mountain weather

Thursday 4. January 2024

No precipitation. Breeze from southwest. -23 °C to -7 °C at 700 m a.s.l. Clear skies.

Friday 5. January 2024

5-7 mm precipitation. Precipitation as snow. Fresh breeze from southwest, changing to breeze from the northeast during the afternoon. -14 °C to -4 °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

Der det kommer nysnø med vind vil det dannes små, ustabile nysnøflak i overflaten. Skiftende vindretninger kan danne nysnøflak i mange ulike himmelretninger. Det gamle snødekket virker generelt stabilt med lite faretegn og skredaktivitet den siste tiden, men det er flere svake lag av kantkorn i snødekket. Det kan ikke utelukkes at disse lagene kan gi skred i enkelte heng ved stor tilleggsbelastning. Disse lagene er generelt vanskelig å påvirke, men trolig lettest i skoggrensa, der snødekket er mindre vindpåvirket og mykere.
Avalanche danger scale Important information for ski touring
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