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Avalanche warning for region Jotunheimen Wednesday 10.03.2021

Danger level 3 - Considerable avalanche danger

Published:
Complex situation with persistant weak layers. Avalanches are triggered most easily where the snow pack is thin, typically close to ridges and on convex formations. Remote triggering from less steep terrain is possible.

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 beneath a crust

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).

Poor bonding between layers in wind deposited 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)

Tuesday 9. March 2021

I høyfjellet består snøoverflaten stort sett av vindpakket snø og skarelag. Det gamle snødekket har vært gjennomvått opp til 1100 moh. Lavere temperatur gjør nå at dette nå har frosset til.

Det finnes flere kantkornlag i snødekket i høyfjellet.

I helgen ble det registrert flere store naturlige utløste skred i Vang og Lom, som trolig løsnet på vedvarende svakt lag. Bl.a. et ved Eidsbugarden og et ved Tyinstølen.

Tirsdag meldes det om steder med moderat snøfokk ved Lom.

Mountain weather

Tuesday 9. March 2021

Little to no precipitation. Strong breeze from northwest, changing to breeze from the south during renoon. -13 °C to -7 °C at 1800 m a.s.l. Partly cloudy.

Wednesday 10. March 2021

4 mm precipitation, up to 10 mm in the most exposed areas. Fresh breeze from southeast, changing to gale from the southeast during renoon. -14 °C to -10 °C at 1800 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

Vind og nysnø vil danne ferske fokksnøflak, som kan være lett å løse ut.

I høyden finnes det vedvarende svake lag med kantkorn som kan gi store skred.
Avalanche danger scale Important information for ski touring
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