Avalanche warning for region Finnmarkskysten Wednesday 17.03.2021

Danger level 3 - Considerable avalanche danger

Published:

The danger increases when the wind picks up. Avoid areas with wind deposited snow, typically behind ridges, ribs and in gullies. There is also weak snow layer deep in the snowpack in inner parts of the region. It is unlikely for a skier to trigger these layers, but if it happens avalanches will be large.

Avalanche problems

Wind drifted 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).

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). Remote triggering is possible.

Advice

Snow cover (in Norwegian)

Det er kommet litt nysnø de siste dagene. Mange steder er snøen vindpåvirket, eller det er avblåst til eldre skarelag, men i beskyttede formasjoner kan det finnes mindre områder med ubunden snø. Ute ved kysten er det generelt lite snø i terrenget.

Det finnes flere vedvarende svake lag av kantkorn i forbindelse med skarelag, og begerkrystaller langs bakken. Dette er trolig mest utbredt i indre strøk. Under ca. 200 moh. er det gamle snødekket gjennomfuktet etter mildværet i slutten av februar.

Mountain weather, 16.03.2021

2-4 mm precipitation. Strong breeze from northwest, changing to moderate gale from the northwest during the afternoon. -15 °C to -8 °C at 700 m a.s.l. Cloudy.

Mountain weather, 17.03.2021

6 mm precipitation, up to 12 mm in the most exposed areas. Gale from northwest, changing to gale from the north during the evening. -15 °C to -8 °C at 700 m a.s.l. Cloudy.

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