Avalanche forecast for Helgeland Thursday 2021-02-25

Highest danger level per day:
4
High
Published:

Temperature increase and rain causes natural avalanches in old persistant weak layers. Avoid avalanche terrain.

Illustrasjon av ferdselsråd For emergency preparedness : Avalanches can become very large and reach avalanche-exposed roads and settlements. For outdoor activity : Avoid terrain steeper than 30 degrees and runout zones for avalanches.

Wet snow (slab avalanches)

Buried weak layer of faceted snow near surface

Read more about the avalanche problem
3 - Large
Spontaneous release
Widespread steep slopes
Likely

Persistent weak layer (slab avalanches)

Buried weak layer of faceted snow near surface

Read more about the avalanche problem
3 - Large
Spontaneous release
Specific steep slopes
Likely

What are avalanche problems?

Observations the last 3 days (map placed)

25 mm precipitation, up to 50 mm in the most exposed areas.
Moderate gale from southeast., change to strong breeze from the southwest during the afternoon.
-4 °C to 0 °C at 1100 m a.s.l.
Plus degrees up to 1000 m a.s.l. during renoon.
Cloudy.

For updated info, please visit yr.no
32 mm precipitation, up to 65 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 1000 m a.s.l. thursday night.
Cloudy.

For updated info, please visit yr.no

Observations the last 3 days

Helgeland / D1801(NFK11) Helgelandskysten 2018-2023

Snow

25.02.2021 kl. 09:27

66 masl

drift@svv (**)

Avalanche Activity

25. Feb 09:30 (+01:00) - 24. Feb 09:30 (+01:00) Slush avalanche 1 - Small. Spontaneous release SE. Between 500 masl and 400 masl Gjelder Fv76 Rafossen - Barstad,

ObsID: 257768

Helgeland / D1801(NFK11) Helgelandskysten 2018-2023

Snow

25.02.2021 kl. 09:27

29 masl

drift@svv (**)

Weather

Rain 4 °C Rafossen (500moh) kl 09:27 0 cm nysnø akkumulert siste 3 døgn.

Danger Sign

Much water in the snow regn på snø

Quick temperature change

ObsID: 257769

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.