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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Wednesday 04.03.2020

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 easily 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)

Tuesday 3. March 2020

Under skoggrensen ligger det tørr ubunden snø. Høyere opp er snødekket stedvis mer vindpåvirket og det veksler mellom myke fokksnøflak og løssnø. Observasjon fra Hemsedal mandag sier at de ferskeste fokksnøflakene ligger i fjellsider vendt mot V-N. Stedvis ligger det svake lag med nysnø under fokksnøen men tester viser liten bruddforplantning i denne fokksnøen.
Det gamle, underliggende snødekket er i stor grad stabilt.

Det finnes kantkornlag høyt i snødekket under skare, og ved bakke.

20-30 cm nysnø og noe vind i helgen. Roligere forhold mandag. 0-5 cm nysnø siste døgn til tirsdag morgen.

Mountain weather

Tuesday 3. March 2020

2-5 mm precipitation. Fresh breeze from east. -11 °C to -5 °C at 1400 m a.s.l. Cloudy.

Wednesday 4. March 2020

5-7 mm precipitation. Breeze from east, changing to breeze from the northwest during the afternoon. -9 °C to -6 °C at 1400 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

Østavind og ventet snøfall kan føre til ferske fokksnøflak i leområder mot vest. Fokksnøflak fra helgen ventes å stabilisere seg. Det forventes at det vil være lett å utløse skred i den ferskeste fokksnøen, mens det trolig skal stor tilleggsbelastning til for å løse ut skred i eldre fokksnø.
Avalanche danger scale Important information for ski touring
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