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Avalanche warning for region Jotunheimen Friday 04.12.2020

Danger level 2 - Moderate avalanche danger

Published:
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.

Avalanche problems

Wind drifted snow (slab avalanches)

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

Buried weak layer of new snow

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 3. December 2020

Natt til torsdag har det kome opp 10 - 15 cm nysnø. Underliggande snøpakke består av finkorna snø, og smelteformer mot bakken. Lengst nord i regionen er det tynt snødekke, men likevel ein del lagdeling i snøen. Det er mest snø i austvendte fjellsider. Under tregrensa er det lite snø.

Før snøfallet torsdag vart det observert rimdanning på snøoverflata. Somme stader finst det også nedsnødd overflaterim. Utbreiinga av dette er usikker. På Valdresflya (1390 moh) vert det målt frisk bris frå SØ torsdag formiddag.

Mountain weather

Thursday 3. December 2020

10 mm precipitation, up to 20 mm in the most exposed areas. Moderate gale from southeast. -12 °C to -6 °C at 1800 m a.s.l. Cloudy.

Friday 4. December 2020

1-3 mm precipitation. Fresh breeze from southeast. -12 °C to -8 °C at 1800 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

Fokksnøen som vart danna torsdag vil stabilisere seg. Skredproblemet vil i hovudsak vere gjeldande der fokksnøen la seg i terreng som var snødekt frå før. Litt nysnø er for lite til å auke skredproblema noko vesentleg.
Avalanche danger scale Important information for ski touring
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