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Avalanche warning for region Hardanger Thursday 19.12.2019

Danger level 4 - High avalanche danger

Published:
An increase in wind will lead to a large amount of wind transported snow. Avoid all avalanche terrain. Naturally triggered avalanches likely.

Avalanche problems

Wind drifted snow (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).

Buried weak layer of new snow

Persistent weak layer (slab avalanches)

You can 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 faceted snow near the ground

Wet snow (loose snow avalanches)

You can easily trigger avalanches on some steep slopes. Avalanches can get large enough to bury or even kill you (size 2).

Loose 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. December 2019

Det ligg mykje ubunden snø i overflata etter nedbør under rolege vindforhold siste dagane. Det er bare nært havnivå at nedbør har kommet som regn. Snødekket under ber generelt preg av kraftig vind siste perioden med avblesne ryggar og mykje snø i typiske leformasjonar. I låglandet er snødekket i stor grad påvirka av varme og fuktigheit.

Det var Laurdag observert vedvarande svakt lag av kantkorn langs bakken på 1100 moh.
Varme og fuktigheit førre veke har truleg øydelagt kantkornlaget opp til 1000 moh.

Det er onsdag observert 30 cm laussnø nær Brekkestølheia (Sauda). 45 ubunden laus tørrsnø ved Hovlandsnuten (Sauda).

Mountain weather

Wednesday 18. December 2019

2 mm precipitation, up to 8 mm in the most exposed areas. Breeze from west. -10 °C to -4 °C at 1400 m a.s.l. Cloudy.

Thursday 19. December 2019

20 mm precipitation, up to 30 mm in the most exposed areas. Gale from southeast, changing to moderate gale from the southeast during the afternoon. -10 °C to -3 °C at 1400 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

Kraftig vind, ubunden snø og mykje ny nedbør vil gje stor snøtransport inn i nordvestlege leområder. Her vil ein få oppbygging av fokksnøflak.
Stor pålagring og stigande temperatur vil òg kunne påvirke vedvarande svake lag djupare i snødekket. Skred i desse laga kan verte store.

Der nedbøren kjem som regn på snødekket kan ein forvente våte laussnøskred.
Avalanche danger scale Important information for ski touring
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