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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Lyngen Saturday 09.12.2017

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh windloaded snow. Avoid lee areas where a persistent weak layer can be hidden in the snow pack. Avalanches are triggered most easily where the snow pack is thin, typically close to ridges and on convex formations.

Avalanche problems

Wind drifted snow (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3).

Poor bonding between layers in wind deposited snow

Persistent weak layer (slab avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury a car or destroy a small house (size 3). Remote triggering is possible.

Buried weak layer of faceted snow beneath a crust

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 8. December 2017

Det har vært snøbyger i regionen tidligere i uken og det har vært perioder med kraftig vind fra omkring V, og det har stedvis dannet seg fokksnøflak i leområder. Mange steder er det mye løs snø tilgjengelig for vindtransport. Lite nysnø i de siste dagene, men på fredagen var det vind opp i stormstyrke fra SØ og kraftig snøtransport. På vindutsatte plasser særlig over skoggrensen er snøoverflaten hardt.

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.

Fram til fredag gikk det noen naturlig utløste skred av størrelse 2-3.

Mountain weather

Friday 8. December 2017

3 mm precipitation, up to 8 mm in the most exposed areas. Strong gale from southeast. -13 °C to -7 °C at 1400 m a.s.l. Cloudy.

Saturday 9. December 2017

0-3 mm precipitation. Moderate gale from southeast. -11 °C to -6 °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

Vinden vil trolig fortsette å frakte noe snø, men skredfaren vil gradvis avta etter hvert som snøoverflaten blir hardere. Bærende flak vil beskytte vedvarende svake lag, men disse kan fortsatt trigges enkelte steder og evt. skred kan bli relativt store. Enkelte naturlig utløste skred kan også forekomme.
Avalanche danger scale Important information for ski touring
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