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Where it is steep enough, avalanches can occur. This applies whether you are traveling in a region with daily updated avalanche warnings or in areas outside of such a region. Yesterday, skiers triggered an avalanche in Gålå, which is outside one of our usual warning regions, we read on the website varsom.no.
Not all places in the country have daily updates avalanche warnings, but that doesn't mean there can't be avalanches there. Where it's steep enough and snow, avalanches may loosen up. This applies to both the region affected by the warning and mountain skiing in Rondane, off-piste skiing in ski resorts or snowshoeing in Lierne.
Both last week and this week there have been reports of skiers triggering avalanches both in and outside warning areas, such as Gala i Alvdal.
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Use steepness/steepness maps
– We want to remind people that they must be aware of the terrain they are traveling on. Where it is steep enough, avalanches can occur, says Ingrid Skrede, avalanche forecast manager on duty.
A good tip is to use steepness maps in Varsom application when planning your trip. You can then create a route outside the avalanche area. Maps of steep slopes are available, among others, in the Varsom application, in SeNorge, Regobs.no ut.no.
“Avoid avalanche terrain unless you can argue why it is safe,” Skrede said.
Remember that you can trigger an avalanche even if you are in terrain milder than 30 degrees.
Pay close attention to the tree line
If you're traveling, share what you see and hear with others. This is especially important if you are traveling in regions where there is no daily light updated warnings avalanche. Your observations can help others make safer choices in the winter mountains. Based on the observations we received from the part southern Norway, it appears that areas around tree lines may be particularly sensitive.
– Around the tree line, the snow on the surface is often so soft that it can be influenced. Simultaneously snow binds into sheets that can be released in the form of avalanches. This makes the areas around the treeline extremely sensitive, Skrede concludes.
The key to recognizing areas of avalanche loosening is the ability to recognize terrain with a slope greater than 30 degrees.
30 degrees is about as steep as the route to ski jumping. If you ski, 30⁰ is so steep you can't go straight up the hill.
Don't trust your eyes. Always use a steepness gauge. You can try downloading steepness measurement app for your phone (look for clinometer). A difference of 5 degrees allows you to distinguish safe terrain from avalanche terrain. The consequences of missing the eye target can quickly become fatal.
Read more about how to measure steepness. HERE.
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Source: Varsom, Photo: pixabay
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