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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Lyngen Sunday 29.12.2019

Danger level 3 - Considerable avalanche danger

Published:
Strong winds, precipitation and high temperatures gives unstable snow conditions. Naturally released wet and dry slab avalanches are possible. A persistent weak layer is present in the region but is mainly very difficult to trigger.

Avalanche problems

Wet 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).

Water pooling in/above snow layers

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).

Poor bonding between layers in wind deposited 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 above 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)

Saturday 28. December 2019

Lørdag kom det litt nedbør i kombinasjon med vind i regionen som kan ha skapt fokksnøflak mange steder.

Under fokksnøflak finnes stedvis svake lag av kantkorn. Dette ligger vekselvis under, over og mellom porøse skarelag. Det er lite observert aktivitet i dette laget den siste tiden, og tester viser at de er vanskelig å påvirke. Det finnes også kantkorn dypere i snødekket, men under ca. 800 moh er det svært vanskelig å påvirke disse grunnet hard overliggende snø.

Mountain weather

Saturday 28. December 2019

5 mm precipitation, up to 10 mm in the most exposed areas. Gale from southwest. -7 °C to 1 °C at 1100 m a.s.l. Cloudy.

Sunday 29. December 2019

15 mm precipitation, up to 25 mm in the most exposed areas. Moderate gale from west, changing to fresh breeze from the west during the afternoon. -6 °C to 1 °C at 1100 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 først på dagen i kombinasjon med nedbør ventes å gi ustabil fokksnø i leområder i høyden, og naturlig utløste skred kan forekomme. Det ventes mildvær og regn opp til ca 600 moh første del av dagen, noe som kan gi naturlig utløste våte skred i lavlandet.

Vær oppmerksom på at eldre fokksnøflak noen få steder kan ligge over et vedvarende svakt lag av kantkorn. Det virker nå vanskelig å løse ut skred i dette laget, men evt skred kan bli store.
Avalanche danger scale Important information for ski touring
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