Skiers, snowmobilers and hikers can set off an avalanche when a layer of snow collapses and starts to slide down the slope.

“As the avalanche finally slows down and just before it comes to rest, try and clear an air space in front of your mouth,” the center said. “This helps delay the buildup of carbon dioxide in the snow ...

At least 16 people have already died in avalanches this winter - and the season isn't over. Here's why the risk may be rising.

Avalanche deaths are mounting in the 2025-2026 season - and conditions may be getting worse.

Avalanche experts urge preparation as 2025–2026 fatality numbers climb toward record territory.

The avalanche came during a fierce winter storm that dumped heavy snowfall on the Sierra Nevada.