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Avalanche warning for region Indre Troms Thursday 29.03.2018

Danger level 4 - High avalanche danger

Published:
High avalache danger. Heavy snowdrift is expected, this will most likely overload the persistent weak layers. Large naturally released avalanches are expected. Avoid avalanche terrain and run-out zones.

Avalanche problems

Persistent weak layer (slab avalanches)

You can very easily trigger avalanches on many 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

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

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 28. March 2018

Det har kommet en del snø i regionen den siste tiden, lokalt ligger det rundt 20-40 cm snø. Over tregrensa er snødekket mer preget av vind og det er ikke like mye løssnø her.

Tirsdag er det en vindøkning og det meldes om noe snøtransport i høyfjellet.

Det er observert flere lag med kantkorn rundt skarelag etter kuldeperioden februar-mars.

Tirsdag er det observert ferske flakskred, trolig i forbindelse med vindøkningen midt på dagen.

Det er fortsatt mye drønn fra snødekket som følge av kantkornlaget kollapser.

Mountain weather

Wednesday 28. March 2018

4-7 mm precipitation. Fresh breeze from west, changing to strong breeze from the west during the afternoon. -11 °C to -6 °C at 1100 m a.s.l. Cloudy.

Thursday 29. March 2018

3-6 mm precipitation. Strong breeze from northwest, changing to fresh breeze from the northwest during the evening. -13 °C to -6 °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

Økende vind kan frakte store mengder snø inn i leområder. Her kan de overlaste vedvarende svake lag og det kan gå store naturlig utløste skred.

Bygevær gjør at det lokalt kan komme mer snø enn varslet, men også mindre.

Skredfaren ventes kortvarig å øke til 4-stor.

Avalanche danger scale Important information for ski touring
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