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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Lyngen Thursday 03.01.2019

Danger level 3 - Considerable avalanche danger

Published:
Be careful in lee areas with wind deposited snow, typically behind ridges, ribs and in gullies. Persistent weak layers may be present in the snow cover, these are easiest to trigger where the snow cover is thin. Wet avalanches are expected under 500 meters above sea level.

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).

Buried weak layer of new snow

Wet snow (slab avalanches)

You can very 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

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 2. January 2019

I helgen kom det ca. 15-25 cm med snø i fjellet. Under 600 moh ligger snøen oppå et tynt skarelag etter mildvær forrige fredag. Over tregrensa er snøen påvirket av vind fra varierende retning, stedvis helt avblåst på rygger.

Lengre ned i snødekket finnes det skarelag opp til ca. 600-700 moh, og etter en lengre periode med kulde før jul ble det observert begynnende kantkorn rundt dette skarelaget. Foreløpig er det ikke nok utviklet til å utgjøre et tydelig skredproblem.

Onsdag morgen er det observert rundt 15 cm nysnø.

Mountain weather

Wednesday 2. January 2019

3-6 mm precipitation. Fresh breeze from north, changing to breeze from the southwest during the evening. -19 °C to -9 °C at 1400 m a.s.l. Cloudy.

Thursday 3. January 2019

20 mm precipitation, up to 25 mm in the most exposed areas. Moderate gale from south, changing to strong breeze from the west during the evening. -14 °C to -3 °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

Kraftig vind fra sørvest vil danne store ustabile fokksnøflak i leheng mot NØ, disse flakene vil være lette å løse ut. Fra tidligere er det gamle fokksnøflak også i de andre himmelretningene, men det antas at disse nå trenger større tilleggsbelastning for å utløses. Under ca. 500 moh blir det overgang til regn og det kan gå noen middels store våte flakskred.
Avalanche danger scale Important information for ski touring
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