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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Jotunheimen Saturday 08.04.2023

Danger level 2 - Moderate avalanche danger

Published:
Be careful in shaded areas where a persistent weak layer that can result in large avalanches when triggered. Sun exposed steep slopes will become more unstable as the day progresses.

Avalanche problems

Wind drifted snow (slab avalanches)

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

Poor bonding between layers in wind deposited snow

Wet snow (loose snow avalanches)

You can easily trigger avalanches 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

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)

Friday 7. April 2023

Snøoverflaten varierer mellom fokksnø med varierende hardhet og ubunden snø. I skjermede formasjoner ligger det en god del ubunden snø, opp mot 30 cm. Det er nå store temperatursvingninger og overflaten blir til skare om natten og mykner opp utover dagen. Spesielt i sørvendt terreng.

Det finnes lommer med nedføyket kantkorn og rim enkelte steder. Her har det blitt observert drønn og skytende sprekker de siste dagene.
Det finnes et vedvarende svakt lag av kantkorn under skarelag nede i snødekket. Laget anses som vanskelig å påvirke.

Mountain weather

Friday 7. April 2023

No precipitation. Calm/light breeze from east. -17 °C to -4 °C at 1800 m a.s.l. Partly cloudy.

Saturday 8. April 2023

No precipitation. Calm/light breeze from southwest. -17 °C to -2 °C at 1800 m a.s.l. Clear skies.

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

Bratte nord- til vestvendte heng i høyden anses som mest ustabile. Her kan flakene ligge på lommer av kantkorn eller rim. Rolig vær gir siste dagers fokksnø ellers tid til å stabilisere seg.

I solvendte sider kan det være lett å løse ut mindre løssnøskred. Enkelte naturlig utløste skred kan også forekomme, spesielt under bratte klipper.

Svake lag med kantkornet snø kan enkelte steder være mulig å påvirke og føre til store skred.


Avalanche danger scale Important information for ski touring
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