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Avalanche warning for region Vest-Telemark Wednesday 04.12.2019

Danger level 2 - Moderate avalanche danger

Published:
A persistant weak layer of facets is present in western areas. High temperatures gives higher risk of wet loose-snow avalanches and weakens the snowpack in steep terrain.

Avalanche problems

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

Persistent weak layer (slab avalanches)

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

Buried weak layer of faceted snow near the ground

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 4. December 2019

Kraftig vind har gitt bærende fokksnøflak i fjellet. Tirsdagens mildvær forventes å ha fuktet snøen et godt stykke ned i snøpakka. Det er mer snø enn normalt øst i regionen, generelt ca 50 cm og godt skiføre. I vestlige deler mindre snø.

Det er observert kantkorn og begerkrystaller i bunnen av snødekket vest i regionen, men disse regnes foreløpig ikke som aktivt skredproblem. I østre deler ingen vedvarende svake lag rapportert.

Tirsdag morgen har temperaturen steget til pluss tre grader på Haukeliseter.

Mountain weather

Tuesday 3. December 2019

1-5 mm precipitation. Fresh breeze from west, changing to moderate gale from the west during renoon. -3 °C to 4 °C at 1100 m a.s.l. Cloudy.

Wednesday 4. December 2019

1-3 mm precipitation. Fresh breeze from west, changing to moderate gale from the southwest during the afternoon. -1 °C to 2 °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

Fortsatt milde temperaturer og lite ny nedbør fører til at stabiliseringen i eldre fokksnø går raskere. Sålenge temperaturene er høye kan det være mulig å påvirke svake lag av kantkorn langs bakken i vestlige deler av regionen. Der det ligger løs ubunden snø vil det kunne gå enkelte naturlig utløste våte løssnøskred i bratt terreng.
Avalanche danger scale Important information for ski touring
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