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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Saturday 21.12.2019

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.

Avalanche problems

Wind drifted snow (slab avalanches)

You can very 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 or even kill you (size 2).

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)

Friday 20. December 2019

Snøfall siste dager er noenlunde jevnt fordelt over skoggrensa og overflaten er generelt myk. Over omlag 1000 moh er den gamle, underliggende snøen vindpåvirka med mest snø i V og N.

Det er observert svakt lag av kantkorn i snødekket og ved bakken.

Noen mindre tørre løssnøskred i bratt og glatt terreng observert i Vinje 20.12.

Mountain weather

Friday 20. December 2019

10 mm precipitation, up to 20 mm in the most exposed areas. Fresh breeze from east, changing to strong breeze from the east during the evening. -3 °C to 2 °C at 1100 m a.s.l. Cloudy.

Saturday 21. December 2019

6 mm precipitation, up to 12 mm in the most exposed areas. Strong breeze from southeast, changing to breeze from the southeast during the afternoon. -4 °C to 0 °C at 1100 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

Samlet nedbør fra de siste dagene og fremdeles sterk vind vil føre til pålagring av fersk ustabil fokksnø i leområder. Her vil en skiløper kunne løse ut store skred. Noe naturlig skredaktivitet må også forventes.

Ved bakken finnes det vedvarende svakt lag av kantkorn som kan påvirkes der snødekket er mykt og/eller tynt. Svakt lag ved bakken forventes ikke å ha stor evne til bruddforplanting og er ikke tilstede over hele regionen.
Avalanche danger scale Important information for ski touring
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