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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Tromsø Thursday 26.01.2023

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh wind deposited snow. There is also a persistent weak layer deeper in the snowpack that can be remotely triggered and cause large avalanches.

Avalanche problems

Wind drifted snow (slab avalanches)

Avalanches may release spontaneously on some 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 a few 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 25. January 2023

Mildværet søndag fuktet snødekket høyt til fjells. Etter dette har det blitt kaldere og snøbyger med kraftig vind har ført til ferske fokksnøflak flere steder.
Over tregrensa var det før helgen mye avblåst og hardbanket snø, med bare rabber og endel stein. Under tregrensen har mildværet tæret godt på snødekket.

Det vedvarende svake kantkornlaget fra november/desember ligger stort sett nær bakken under svært hard snø og er vanskelig å påvirke de fleste steder.

Mandag og tirsdag har det løsnet enkelte store skred høyt til fjells i naboregionen Lyngen.

Mountain weather

Wednesday 25. January 2023

4-8 mm precipitation. Precipitation as snow. Breeze from west, changing to fresh breeze from the northwest during the afternoon. -6 °C to -1 °C at 700 m a.s.l. Cloudy.

Thursday 26. January 2023

8 mm precipitation, up to 14 mm in the most exposed areas. Precipitation as snow. Strong breeze from northwest, changing to strong breeze from the southwest during the evening. -6 °C to -1 °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

Pålandsvind og snøbyger fører til at pålagringen av fokksnøflak i leheng fortsetter. Der det har blåst inn mest snø kan enkelte middels store skred løsne av seg selv.
Det skal mer til å påvirke vedvarende svakt lag som finnes dypere i snødekket, men klarer man å påvirke dette laget (f.eks. ved at det løsner mindre skred i fokksnøen) kan skredene bli større.
Avalanche danger scale Important information for ski touring
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