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Ski touring in Norway - important information | Varsom.no

Avalanche warning for region Vest-Telemark Tuesday 31.12.2019

Danger level 2 - Moderate avalanche danger

Published:
Locally unstable avalanche conditions in the alpine. Be careful of recently loaded storm slabs. A persistent weak layer of facets may be triggered, especially where the snow cover is thin.

Avalanche problems

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

Persistent weak layer (slab avalanches)

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

Buried weak layer of surface hoar

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)

Monday 30. December 2019

Snødekket bærer preg av mildvær og nedbør som kom på søndag.
Plussgradene gikk opp til ca 1400-1500 moh, men det varierer hvor dypt regnet har påvirket snøen. Temperaturen har sunket gradvis siste 9 timer og det gir skare mange steder i regionen. Høyt til fjells har nedbøren kommet som snø. Sterk vestlig vind har gitt ferske fokksnøflak i lesider mot Ø og NØ.

Det er tidligere observert nedsnødd rim ved Rauland, men der mildværet har virket er nok dette brutt ned.

Mountain weather

Monday 30. December 2019

5 mm precipitation, up to 21 mm in the most exposed areas. Moderate gale from west. -3 °C to 5 °C at 1100 m a.s.l. Partly cloudy.

Tuesday 31. December 2019

Little to no precipitation. Moderate gale from northwest. -6 °C to 0 °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

Over ca 1400-1500 moh vil ferske fokksnøflak være det dominerende skredproblemet. Svakt lag med nedsnødd rim vil være lite påvirket av mildværet og kan dermed være et problem der snødekket er tynt/mykt. Lenger ned i terrenget vil fokksnø ligge på varierende grad av regnskare som vil gi varierende grad av feste for den ferske fokksnøen.
Avalanche danger scale Important information for ski touring
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