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Avalanche warning for region Hardanger Saturday 04.01.2020

Danger level 3 - Considerable avalanche danger

Published:
Be careful in areas with fresh windloaded snow. Avoid lee areas where a persistent weak layer can be hidden in the snow pack. Avalanches are triggered most easily where the snow pack is thin, typically close to ridges and on convex formations.

Avalanche problems

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)

Friday 3. January 2020

Kraftig vind, mye nedbør og høye temperaturer de siste dagene preger snødekket. Opp til ca 1100 moh er det gamle snødekket isotermt og snøen ligger ujevnt fordelt med mye snø i leformasjoner og lite og hard snø på kuler og rygger. Under 1000 moh har det vært stor snøsmelting, elver er mange steder åpne og det er overvann på mange vann. Det er lite snø under 400-500 moh.

Det har vært observert svakt lag av kantkorn ved bakken tidligere, men det er usikkert hvordan tilstanden er etter de siste dagers kraftige mildvær.

Mountain weather

Friday 3. January 2020

30 mm precipitation, up to 45 mm in the most exposed areas. Gale from west. -9 °C to -1 °C at 1400 m a.s.l. Cloudy.

Saturday 4. January 2020

10 mm precipitation, up to 20 mm in the most exposed areas. Moderate gale from northwest, changing to fresh breeze from the northwest during renoon. -10 °C to -5 °C at 1400 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

Temperaturen synker. Fredagens fokksnøflak stabiliseres men vil fortsatt være ustabile noen steder og det vil fortsatt være mulig å løse ut skred opp til str 3, spesielt i leområder mot øst over 600-800 moh. Dreiende vind og noe ny nedbør som snø ventes også å gi noen nye fokksnøflak over mildværgresnen, nå i leheng mot Ø til S.
Avalanche danger scale Important information for ski touring
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