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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Indre Troms Monday 20.01.2020

Danger level 3 - Considerable avalanche danger

Published:
Avoid lee areas with wind deposited snow in the alpine, typically behind ridges, ribs and in gullies. Naturally triggered wet avalanches are expected below 500masl steep terrain.

Avalanche problems

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 above a crust

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

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
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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)

Sunday 19. January 2020

De siste dagene har det vært minusgrader, moderat vind og litt nedbør. I skogen ligger stedvis mye løs snø. Over tregrensen ligger fortsatt 10-20cm ubundet snø mange steder. Ellers er det fokksnøflak av varierende hardhet som preger bildet. Lavtrykket som kommer inn mandag vil endre mye på snødekket.

Kantkorn over og under skarelag over 500 moh er godt utviklet. Dette vil utvikles videre frem til natt til mandag når mildværet slår inn.

Observert overflaterim over 600moh lørdag.

Mountain weather

Sunday 19. January 2020

2-3 mm precipitation. Strong breeze from southeast, changing to strong breeze from the south during the evening. -14 °C to -5 °C at 1100 m a.s.l. Partly cloudy.

Monday 20. January 2020

15 mm precipitation, up to 30 mm in the most exposed areas. Moderate gale from southwest, changing to moderate gale from the west during the evening. -8 °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

Det kommer nytt lavtrykk med nedbør og temperaturstigning. Skredfaren øker i det været slår inn. Der nedbøren kommer som snø vil det legges opp fersk fokksnø i le for vinden. Dette kan føre til store naturlig utløste skred, spesielt der kantkornlaget er utviklet og pålagringen er størst.
Der nedbøren kommer som regn kan våte skred løsne av seg selv.
Avalanche danger scale Important information for ski touring
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