Then there needs to be a trigger. A snowpack may be seemingly stable until a snowmobile or skier disturbs it enough that the snow starts to move. Strong winds or rock falls may also cause an avalanche ...

Avalanches, masses of snow moving down a slope, happen most often in the wilderness. The National Avalanche Center says watching for forecasts, bringing the proper gear and getting training to ...

Snow doesn’t melt based only on the air temperature — other factors like sun, wind, humidity and ground warmth play a role. Solar radiation and surface heat can cause melting even when thermometers ...

Here's what to know about the potential risk factors for a roof collapse due to snow buildup, according to FEMA.