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Avalanche warning for region Indre Troms Thursday 19.03.2020

Danger level 3 - Considerable avalanche danger

Published:
Conditions are challenging. Be sure you have enough knowledge and experience before travelling in steep terrain. Be extra careful in lee areas with wind deposited snow. There are persistent weak layers in the snowpack.

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

New 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
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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)

Wednesday 18. March 2020

Vind og en del nedbør siste dager har bidratt til at fjellet domineres av et snødekke med fokksnøflak av varierende hardhet og tykkelse. Vindutsatte partier kan være avblåst til mildværsskaren eller være helt avblåste.

Det rapporteres om et tydelig kantkornlag som ligger mellom et tynt skarelag, men oppå gammel smelteomvandlet snø. Dette svake laget varierer noe i regionen og hvor potent det er. I sentrale deler av regionen meldes det at laget nå er potent og utgjør et skredproblem.

Mountain weather

Wednesday 18. March 2020

6 mm precipitation, up to 14 mm in the most exposed areas. Strong breeze from west, changing to breeze from the northwest during the evening. -9 °C to -3 °C at 1100 m a.s.l. Cloudy.

Thursday 19. March 2020

3-6 mm precipitation. Fresh breeze from northwest. -15 °C to -8 °C at 1100 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

Nordlig liten kuling vil flytte på snø og danne ustabile nysnøflak i leheng. Det er verdt å merke seg at et vedvarende svakt lag av kantkorn finnes i snødekket og nysnøflakene kan ligge oppå dette vedvarende svake laget.

Vær oppmerksom på at et mindre flakskred fort kan trigge dypere i snødekket og gi overraskende store skred i det vedvarende svake laget.
Avalanche danger scale Important information for ski touring
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