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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Sør-Troms Tuesday 13.03.2018

Danger level 2 - Moderate avalanche danger

Published:
Be careful in terrain where you find fresh wind deposited snow. Weak layers beneath the new snow can be triggered by a skier.

Avalanche problems

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).

Buried weak layer of new snow

Persistent weak layer (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). 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)

Monday 12. March 2018

Det har kommet 5-10 cm nysnø søndag-mandag. Det gamle snødekket var hardt, kompakt og isete i høyden, med noen harde fokksnøflak i leformasjoner.

Det finnes flere vedvarende svake lag av kantkorn nede i snødekket. De svake lagene er de fleste steder beskyttet av hard overliggende snø, eller de ligger under tynn skare uten flak over. Men i Lavangen ble det onsdag observert svakt lag av kantkorn som gikk lett til brudd i stabilitetstest under 20 cm fokksnø.

Fredag meldt inn et lite skred på Rundkollen, Salangen, NV-vendt side. Innblåst snø over et svakt lag med løs snø. Sannysnligvis naturlig utløst.

Mountain weather

Monday 12. March 2018

Little to no precipitation. Fresh breeze from southwest, changing to breeze from the east during the evening. -17 °C to -7 °C at 1100 m a.s.l. Partly cloudy.

Tuesday 13. March 2018

No precipitation. Fresh breeze from northeast. -17 °C to -9 °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

Nysnø søndag og mandag med vind fra S ga ferske nysnøflak i leformasjoner mot nord. I dag vil vind fra NØ kunne gi fokksnøflak også i sørlige himmelretninger. Vær obs på at stedvis kan fokksnøflak legge seg over glatt skare, svake lag av nedføyket nysnø eller kantkorn, og kan derfor være lett å løse ut.
Avalanche danger scale Important information for ski touring
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