CNN CNNI Simulcast February 26, 2015 08:20:00
Days. and avalanches typically occur spontaneously when you have a fresh coating of snow if its hef and wet enough could cause stress on the tops of the mountains. if youre getting perpendicular winds to the mountaintops youve got to have a significant slope. the mountains meet the category and criteria of 25 to about 55-degree angle. when thats in place, you certainly can waken the top slabs or layers of snow and ice causing avalanche, what we believe occurred in the region of northern afghanis...
Source: archive.org