Avalanches can occur on short slopes as well as long ones. Leeward slopes are dangerous because wind-blown snow adds depth, creating hard, hollow sounding wind slabs. South-facing slopes are most dangerous in the spring. Following an old track does not necessarily mean a slope is safe. Down-slanting trees and brush are a good sign an avalanche has struck the slope before.
Snow falling at an inch or more per hour increases the risk of an avalanche.
Rapid changes in wind, temperature and snowfall can cause changes in the snowpack and may affect stability. If the snow cracks and the crack runs as you step on it, it could indicate a high risk of a slab avalanche, one of the most dangerous winter hazards. All rights reserved. The material on this site may not be reproduced, distributed, transmitted, cached, or otherwise used, except with the prior written permission of Nutricise. Inc. Please read our Privacy Policy .