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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Hallingdal Wednesday 07.04.2021

Danger level 2 - Moderate avalanche danger

Published:
Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Naturally triggered avalanches can occur in sun exposed terrain. A persistent weak layer can be present in isolated features.

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

New snow (loose snow avalanches)

on a few steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Loose snow

Persistent weak layer (slab avalanches)

You can trigger avalanches on a few steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Buried weak layer of faceted snow beneath a crust
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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)

Tuesday 6. April 2021

Snødekket er noenlunde jevnt fordelt og siste periode preget av vind fra vestlig retning. Utsatt terreng er avblåst og snødekket er for det meste bærende med skare og hard fokksnø. I høyden ligger det vindtransportert snø av ulik hardhet i øst- og sørvendte leformasjoner.

Det finnes vedvarende svake lag av kantkorn i snødekket over skoggrensa. De aller fleste steder ligger kantkornlagene under tykk bærende snøoverflate.

Mountain weather

Tuesday 6. April 2021

2-6 mm precipitation. Moderate gale from northwest, changing to fresh breeze from the northwest during the evening. -11 °C to -6 °C at 1400 m a.s.l. Partly cloudy.

Wednesday 7. April 2021

Little to no precipitation. Fresh breeze from northwest. -12 °C to -4 °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

Vind fra nordvest fortsetter uten nevneverdig med nedbør. Nylig vindtransportert snø krever nå generelt større tilleggsbelastning for at skred skal kunne løsne.

I fjellsider med direkte solinnstråling kan løssnøskred og skavler løsne av seg selv.

I høyfjellet finnes vedvarende svake lag av kantkorn i snødekket. De aller fleste steder ligger de under bærende snøoverflate, men noen få steder på tynt snødekke kan trolig en enkelt skiløper påvirke kantkornlag.
Avalanche danger scale Important information for ski touring
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