tukivyöry
Tukivyöry is a Finnish term that translates to "snow avalanche" or more specifically, a "slab avalanche." It refers to a type of avalanche that occurs when a cohesive layer of snow, known as a slab, breaks off from the underlying snowpack and slides down a slope. This cohesive layer can be formed by wind, which deposits snow in drifts and compacts it, or by temperature changes causing melt-freeze cycles.
Slab avalanches are often triggered by a relatively small disturbance, such as a skier, snowboarder, or even
The stability of the snowpack is a critical factor in the formation of tukivyöry. Avalanche professionals assess