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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Jotunheimen Thursday 13.04.2023

Danger level 3 - Considerable avalanche danger

Published:
The danger increases when the wind picks up. Avoid areas with wind deposited snow, typically behind ridges, ribs and in gullies. Naturally triggered avalanches can occure.

Avalanche problems

Wind drifted snow (slab avalanches)

Avalanches may release spontaneously 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 near surface

Wet snow (loose snow avalanches)

Avalanches may release spontaneously on some 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
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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)

Wednesday 12. April 2023

Mandag - tirsdag kom det 10-20 mm nedbør, som regn under ca 800 moh. Mest nedbør sør og øst i regionen. Kraftig vind fra mandag ettermiddag. Det var mange observasjoner på overflaterim før nedbøren startet på mandag.

Det finnes lommer med nedføyket kantkorn og rim enkelte steder. Snødekket begynner å få preg av våren, men lagdelingen er fortsatt intakt i høyden og i skyggesider.

Mountain weather

Wednesday 12. April 2023

3-7 mm precipitation. Rain up to 800 m a.s.l. Strong breeze from southeast. -7 °C to -2 °C at 1800 m a.s.l. Cloudy.

Thursday 13. April 2023

25 mm precipitation, up to 30 mm in the most exposed areas. Rain up to 1000 m a.s.l. Moderate gale from southeast. -6 °C to -1 °C at 1800 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

Mye nedbør og kraftig vind gir fare for naturlig utløste skred i fjellet. Mest utsatt er leheng mot nord og vestlige retninger. Middels store skred er mest aktuelt, men utsatte leheng som har store henteområder for snøen kan også gi store skred.

I skyggesider i høyden kan det fortsatt finnes nedføyket kantkorn eller rim dypere i snødekket som kan påvirkes med stor belastning. Skred her kan bli store.

Der nedbøren kommer som regn kan det gå løssnøskred i bratt terreng.

Skredfaren vil være høyest i Øst-Jotunheimen, hvor det ventes mest nedbør.
Avalanche danger scale Important information for ski touring
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