Avalanche Disaster

"It sounded like someone dropped a bomb on us," recalls Australian Andy Stafford of the avalanche he encountered while making an adventure film in the Alps. This video, shot from a helicopter above, captures the incredible size and power of the slide. Luckily, they all survived.

Not everyone is so lucky—even in "safe" places like resorts. Last year a perfect storm of bad conditions killed three skiers inbounds, the most avalanche fatalities on ski runs in 30 years. Will climate change bring more slides to a ski area near you? Read our cover story to find out.