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Avalanche warning for region Tromsø Tuesday 02.03.2021

Danger level 3 - Considerable avalanche danger

Published:
Conditions are dangerous. Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Be aware of a persistant weak layer buried by windslabs.

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

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)

Monday 1. March 2021

Mildværet de siste dagene har fått virke godt snødekket. Opp til ca 350 moh er snødekket gjennomfuktet og til tider råtten. Søndag var det regn opp til ca 1000 moh.

Før helgen var det ujevn fordeling av snøen i terrenget på grunn av kraftig vind.

Før mildværet var det vedvarende svake lag av kantkorn og begerkrystaller i snødekket.

Det har gått flere middels store og store naturlig utløste skred på disse lagene flere steder i regionen.

Mandag passerte et polart lavtrykk, snøbyger til havnivå og kraftig vind fra V-NV.

Mountain weather

Monday 1. March 2021

12 mm precipitation, up to 20 mm in the most exposed areas. Moderate gale from west, changing to strong breeze from the northwest during the afternoon. -4 °C to 0 °C at 700 m a.s.l. Cloudy.

Tuesday 2. March 2021

8 mm precipitation, up to 15 mm in the most exposed areas. Strong breeze from west. -7 °C to -2 °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 påfyll av litt nysnø og vind vil danne fersk fokksnø i høyden. I høyden hvor mildværet ikke har fuktet snødekket vil det fortsatt være vedvarende svake lag i snødekket som kan gi store skred.
Avalanche danger scale Important information for ski touring
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