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Avalanche warning for region Tromsø Friday 23.12.2022

Danger level 2 - Moderate avalanche danger

Published:
Be aware of a persistent weak layer in the snowpack and areas with wind-deposited snow.

Avalanche problems

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow near surface

Wind drifted snow (slab avalanches)

You can trigger avalanches on some 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
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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)

Thursday 22. December 2022

I forrige uke kom det en del nysnø i regionen. Mengdene varierte, men enkelte steder fikk opp mot 30-40 cm. Snøen kom med en del vind i fjellet, slik at det ble dannet nye fokksnøflak over det gamle og generelt tynne snødekket. Denne fokksnøen har i stor grad stabilisert seg nå. Under tregrensa er det løs, ubunden snø mange steder. I høyden er det delvis avblåst og hardt.

I november og tidlig i desember var det mye klarvær. Da ble det dannet rim og kantkorn nær/på toppen av snødekket. Dette ligger nå som vedvarende svake lag under fokksnøflak. Det er observert mye drønn i disse lagene flere steder i regionen.

Der er registrert et automatisk detektert naturlig utløst skred på vestsiden av Grøtfjorden.

Mountain weather

Thursday 22. December 2022

5 mm precipitation, up to 12 mm in the most exposed areas. Precipitation as snow. Breeze from southwest, changing to strong breeze from the southwest during the evening. -8 °C to -2 °C at 700 m a.s.l. Cloudy.

Friday 23. December 2022

1-4 mm precipitation. Precipitation as snow. Breeze from southeast, changing to breeze from the northwest during the evening. -20 °C to -5 °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

Vedvarende svake lag av overflaterim og kantkorn i snødekket er dekket av sist snøfall. Disse skaper ustabile forhold. Fjernutløsning vil være mulig.

Det varsles ubetydelige mengder nedbør, rolige vindforhold og lav temperatur. Dermed vil skredforholdene forbli uendret.
Avalanche danger scale Important information for ski touring
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