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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Sogn Friday 06.03.2020

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. Possible wet loose snow slides in sun exposed slopes.

Avalanche problems

Wind drifted snow (slab avalanches)

You can 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

Wet snow (loose snow avalanches)

You can easily trigger avalanches on a few steep slopes. Avalanches are relatively harmless to people, but can knock you off balance. Can be dangerous close to terrain traps. (size 1)

Loose 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)

Thursday 5. March 2020

Vind i helgen ga ferske fokksnøflak flere steder. Siste par døgn har vinden vært relativt rolig og det er kommet tørr ubunden nysnø mange steder. Særlig i dalene rundt Jostedalen er det observert mye tørr nysnø. Det underliggende snødekket består stort sett av fokksnø over smelteformer og skarelag. Mye vind og snø hittil i vinter gjør at skavler mange steder er store. De ferskeste nysnøflakene ligger i vestvendt terreng.

Det siste døgnet har det kommet noen få cm snø ved lite vind. Onsdag observasjon på at myke flak sprekker noe opp (Luster).

Mountain weather

Thursday 5. March 2020

Little to no precipitation. Breeze from west. -11 °C to -6 °C at 1400 m a.s.l. Partly cloudy.

Friday 6. March 2020

No precipitation. Breeze from south. -12 °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

Lite vind og lite eller ingen nedbør vil føre til stabilisering av snødekket. Vær forsiktig i områder hvor det ligger ganske ferske og myke/tynne fokksnøflak/nysnøflak. Her vil det være lettest å løse ut skred. I solvendte hellinger kan soloppvarming gi mindre, våte løssnøskred om ettermiddagen.
Nattekulde og store temperaturgradienter kan gi dannelse av overflaterim og trigge vekst av kantkorn litt ned i snødekket.
Avalanche danger scale Important information for ski touring
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