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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Saturday 23.01.2021

Danger level 3 - Considerable avalanche danger

Published:
Conditions are challenging. Be sure you have enough knowledge and experience before travelling in steep terrain. Be extra careful in lee areas with wind deposited snow. There are still weak layers in the snowpack.

Avalanche problems

New 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).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

You can easily 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.

Buried weak layer of faceted snow near surface

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 22. January 2021

Siste døgnet har sterk vind fra sør og nysnø gitt ferske fokksnøflak i mange fjellsider.
Det vil være varierende hardhet og tykkelse på flakene etter hvor vindutsatt terrenget er.
På skjermede steder kan det ligge mye løssnø. Under nysnøen ligger det hardere flak med eldre fokksnø.

Det er tidligere observert vedvarende svake lag av kantkorn under den gamle fokksnøen mange steder i regionen. Dette laget varierer i tykkelse, slik at evnen til bruddforplanting varierer. Hovedinntrykket er at kantkornlaget mange steder er tykt og har dermed begrenset evne til bruddforplantning.

Fredag ble det observert str. 2 skred nær Hemsedal.

Fredag kl. 13 målte Hemsedal skisenter (1344 moh.) SØ stiv kuling.

Mountain weather

Friday 22. January 2021

10 mm precipitation, up to 16 mm in the most exposed areas. Strong breeze from southeast, changing to breeze from the south during the afternoon. -8 °C to -3 °C at 1400 m a.s.l. Cloudy.

Saturday 23. January 2021

0 mm precipitation, up to 5 mm in the most exposed areas. Strong breeze from southwest, changing to fresh breeze from the southwest during the afternoon. -9 °C to -5 °C at 1400 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

Mye nedbør som snø den siste tiden og kraftig vind fra ulike retninger har lagt opp myke og hardere flak av fokksnø over skoggrensen og i åpne partier i skogen. Det er vil fremdeles være lett for en skikjører å løse ut skred i de ferske fokksnøflakene.

Det kan enkelte steder være mulig å påvirke vedvarende svake lag der flakene er tynne/myke, men generelt skal det stor tilleggsbelastning til. Trygge veivalg og kunnskap om å tolke skredterreng er viktig.
Avalanche danger scale Important information for ski touring
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