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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Lyngen Tuesday 12.12.2017

Danger level 2 - Moderate avalanche danger

Published:
There is a persistent weak layer buried in the snow pack, especially at tree line. Be careful in areas with wind deposited snow.

Avalanche problems

Persistent weak layer (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 faceted snow beneath a crust

Wind drifted snow (slab avalanches)

You can 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

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 11. December 2017

I helgen var det vind opp i storm styrke fra SØ og kraftig snøtransport. På vindutsatte plasser særlig over skoggrensen er snøoverflaten hardt, men med løsere snø under flakene. Mindre nysnø siden fredag kveld.

Det er observert lag med kantkorn under skarelag flere steder i regionen. De siste dagene er det observert drønn i snøen mange steder, vesentlig rundt tregrensa, men også noen høyere opp.

Ingen observert skredaktivitet de siste dagene.

Mountain weather

Monday 11. December 2017

No precipitation. Breeze from south. -11 °C to -6 °C at 1400 m a.s.l. Partly cloudy.

Tuesday 12. December 2017

No precipitation. Breeze from south, changing to strong breeze from the south Tuesday night. -13 °C to -6 °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

Fokksnøflakene som ble dannet med kraftig vind fra SØ i helgen ligger stedvis over et lag av kantkorn. Dette er mest framtrendene i overgangen til snaufjellet. I nord- til vestvendte heng er flakene fortsatt lett å løse ut. Vinden roer seg litt og ferske flak ventes å være lite utbredt og tynne på grunn av lite snø tilgjengelig for transport. Eldre fokksnøflak i andre himmelretninger ventes å ha stabilisert seg og er vanskelig å løse ut. Skredfaren vurderes til 2-moderat.
Avalanche danger scale Important information for ski touring
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