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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Sogn Tuesday 11.04.2023

Danger level 2 - Moderate avalanche danger

Published:
Locally unstable conditions. A skier may trigger avalanches in the fresh wind slabs. Persistent weak layers deeper in the snow in general are hard to trigger, but can result in large avalanches.

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

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

Wet snow (loose snow avalanches)

Avalanches may release spontaneously 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)

Monday 10. April 2023

Det har stort sett vært rolig og klart vær i helgen. Mandag og tirsdag kom det opp mot 10 cm nysnø i høyden. Regn under ca 800-1000 moh.
I solvendte sider er det skare på overflaten som mykner opp når temperaturen stiger utover dagen eller det regner. I nordvendte sider er snøen tør i høyden.

Det er observert kantkorn og rim i overflaten flere steder, mest i skyggesider i høyden. Dette skyldes stor døgnlig variasjon i temperaturen den siste tiden.

Det finnes også et godt utviklet kantkornlag dypere i snødekket rundet skarelag. Dette har det tidligere gått flere skred på. Siste observasjoner tyder på at dette laget nå er mindre aktivt, men må tas hensyn til.

Mountain weather

Monday 10. April 2023

6 mm precipitation, up to 12 mm in the most exposed areas. Rain up to 800 m a.s.l during the afternoon. Fresh breeze from southeast, changing to gale from the southeast during the afternoon. -7 °C to -1 °C at 1400 m a.s.l. Cloudy.

Tuesday 11. April 2023

7 mm precipitation, up to 20 mm in the most exposed areas. Rain up to 800 m a.s.l. Moderate gale from southeast, changing to breeze from the southeast during the afternoon. -4 °C to 1 °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

Kraftig vind fram til formiddagen kombinert med nysnø kan danne ferske ustabile flak i fjellet. Fokksnøflakene kan være lette å løse ut.
Det finnes et vedvarende svakt lag i snødekket i skyggesider som nå er vanskelig å påvirke, men kan gi store skred ved utløsning.

Der nedbøren kommer som regn kan det gå små løssnøskred i bratt terreng. Vær også oppmerksom på glideskred og skavlbrudd når temperaturen øker utover dagen.
Avalanche danger scale Important information for ski touring
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