Avalanche forecast for Heiane Sunday 2020-01-26

2
Moderate
Published:

Be careful in areas with wind-deposited snow, it may be resting on a slippery crust surface.

Illustrasjon av ferdselsråd Aviod terrain steeper than 30 degrees with new snow during and after the snowfall until the new snow has stabilized.
Illustrasjon av ferdselsråd Avoid terrain traps.

New snow (slab avalanches)

Buried weak layer of new snow

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

What are avalanche problems?

Observations the last 3 days (map placed)

8 mm precipitation, up to 18 mm in the most exposed areas.
Strong breeze from southwest.
-3 °C to 1 °C at 1100 m a.s.l.
Plus degrees up to 1200 m a.s.l. during the afternoon.
Cloudy.

For updated info, please visit yr.no
4 mm precipitation, up to 15 mm in the most exposed areas.
Fresh breeze from south.
-2 °C to 1 °C at 1100 m a.s.l.
Plus degrees up to 1000 m a.s.l.
Cloudy.

For updated info, please visit yr.no

Observations the last 3 days

Heiane / SIRDAL

Snow

25.01.2020 kl. 11:00

829 masl

Sirdal Ski Patrulje Will (Unknown)

Image Of Avalanche Activity
Image 1 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will
Image Of Avalanche Activity
Image 2 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will
Image Of Avalanche Activity
Image 3 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will
Image Of Avalanche Activity
Image 4 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will

Avalanche Activity

25. Jan. During the day Wet slab avalanche One (1). 1 - Small. Spontaneous release Specific steep slopes. S This location seems to consistently avalanche most seasons but this seems to be the first this winter at this location. Caused by the rapid warming of the snow pack, rain precipitation and water running down the bedrock. Full depth release. No run out but a substantial debris pile of wet snow with some blue ice. Glide cracks had been showing in previous days. Large crown wall. Size of slab is around 25m x 15m. Perhaps not a 'small' avalanche but not quite a 'medium' avalanche. Weather leading up to event has been winds from NNE over previous days transporting snow and fluctuations of freezing level from snow to rain with a rapid warming and change to SW winds in the early hours of 25/1/20. Another large slab on the same face but towards the east is developing large glide cracks.

ObsID: 209751

Heiane / SIRDAL

Snow

25.01.2020 kl. 11:00

829 masl

Sirdal Ski Patrulje Will (Unknown)

Image Of Avalanche Activity
Image 1 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will
Image Of Avalanche Activity
Image 2 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will
Image Of Avalanche Activity
Image 3 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will
Image Of Avalanche Activity
Image 4 of 4 Of:  Avalanche Activity Copyright:  Sirdal Ski Patrulje Will

Avalanche Activity

25. Jan. During the day Wet slab avalanche One (1). 1 - Small. Spontaneous release Specific steep slopes. S This location seems to consistently avalanche most seasons but this seems to be the first this winter at this location. Caused by the rapid warming of the snow pack, rain precipitation and water running down the bedrock. Full depth release. No run out but a substantial debris pile of wet snow with some blue ice. Glide cracks had been showing in previous days. Large crown wall. Size of slab is around 25m x 15m. Perhaps not a 'small' avalanche but not quite a 'medium' avalanche. Weather leading up to event has been winds from NNE over previous days transporting snow and fluctuations of freezing level from snow to rain with a rapid warming and change to SW winds in the early hours of 25/1/20. Another large slab on the same face but towards the east is developing large glide cracks.

ObsID: 209752

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.

For slope angle maps, download the app Varsom Regobs on App Store | Google Play or see our slope angle map at senorge.no ("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.