Avalanche forecast for Vest-Telemark Wednesday 2019-03-13

3
Considerable
Published:

Avoid terrain traps and big steep slopes. Wait until the fresh snow has stabilized.

Illustrasjon av ferdselsråd Avoid steep (more than 30 degrees) areas with fresh wind deposited snow, especially convex terrain. An avalanche is easier to trigger where wind slabs are thin or soft. Look for areas where the wind recently has deposited snow, typically behind ridges, ribs and in gullies. Remember that local wind effects will cause variation in where the wind slabs occur.

Wind drifted snow (slab avalanches)

Buried weak layer of new snow

Read more about the avalanche problem
2 - Medium
Low additional load
Widespread steep slopes
Possible

What are avalanche problems?

Observations the last 3 days (map placed)

18 mm precipitation, up to 25 mm in the most exposed areas.
Fresh breeze from southeast., change to moderate gale from the southeast during renoon.
-12 °C to -4 °C at 1100 m a.s.l.
Plus degrees up to 200 m a.s.l. during the evening.
Cloudy.

For updated info, please visit yr.no
6 mm precipitation.
Fresh breeze from southeast., change to breeze from the north wednesday night.
-13 °C to -2 °C at 1100 m a.s.l.
Plus degrees up to 400 m a.s.l. during the evening.
Partly cloudy.

For updated info, please visit yr.no
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The bulletin does not include a detailed text about the avalanche conditions. This is only given in Norwegian. Translate it using google translate if you like. The text result will be informative, and most likely amusing

For planning your trip and recognizing avalanche terrain, use maps.

Norway has 1:50 000 maps for the whole country. Maps can be bought at bookstores and sports shops, or printed from the net.

Visit www.ut.no for topographic maps online. For slope angle maps, see NGI slope angel maps ("helning" means slope angle).

Modelled snowpack and historic and current weather information can be found on the webpage senorge.no. This site uses information from the weather stations and interpolate values from the stations for gridded maps.

Detailed weather forecast can be found online at www.yr.no or www.storm.no. Yr.no is also in English, but the weather in text format is only given in Norwegian.