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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Sunday 22.12.2019

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh windloaded snow. Avoid lee areas where a persistent weak layer can be hidden in the snow pack. Avalanches are triggered most easily where the snow pack is thin, typically close to ridges and on convex formations.

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 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)

Saturday 21. December 2019

Snøfall siste dager har kommet med vind fra SØ med en mildværsgrense på ca 1000 moh. Snødekket er noenlunde jevnt fordelt over skoggrensa med vekslende hardhet. 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

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.

Sunday 22. December 2019

1-5 mm precipitation. Breeze from southeast. -5 °C to -1 °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

Varslet vær vil føre til avtagende skredfare, men vindtransportert snø fra de siste dagene trenger tid på å stabilisere seg og må betraktes som ustabile. Det skal noe mer til å påvirke fokksnøflakene, men skredene kan bli store, str. 3.

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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