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Avalanche warning for region Voss Friday 20.12.2019

Danger level 3 - Considerable avalanche danger

Published:
Wind and fresh snow may give instable conditions in some slopes. Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Especially where the wind deposited slabs are thin or soft, a slab avalanche is easier to trigger here. Avoid especially convex terrain.

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 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 the ground
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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 19. December 2019

Snøoverflata ber preg av kraftig vind frå søraust som har blese mykje snø inn i nordvestlege leheng siste døgnet. Snødekket ber generelt preg av å vere vindherja, med mykje snø i typiske leformasjonar. I låglandet er snødekket i stor grad påvirka av varme og fuktigheit.

Det finst eit svakt lag kantkorn og stadvis begerkrystallar ved bakken, og der er observasjonar på at laget kan vere aktivt, Spesielt i område med tynnare snødekke (50-80 cm). Her er laget betre utvikla og enklare å påvirke.

Den er onsdag observert drønn i snøen aust for Skreieggi (Voss).

Mountain weather

Thursday 19. December 2019

15 mm precipitation, up to 30 mm in the most exposed areas. Moderate gale from southeast, changing to fresh breeze from the southeast during the evening. -5 °C to 0 °C at 1100 m a.s.l. Cloudy.

Friday 20. December 2019

5 mm precipitation, up to 15 mm in the most exposed areas. Strong breeze from southeast. -1 °C to 5 °C at 1100 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

Pågåande kraftig vind og ny nedbør vil gje snøtransport til nordvestlege vestlege leområder i høgda. Her vil ein få auka pålagring og ferske fokksnøflak.

Stadvis kan det ligge flak på vedvarande svake lag og desse skreda kan verte store.

Avalanche danger scale Important information for ski touring
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