Just got this news report about a skier who triggered two avalanches in Park City.  Before you start getting worked up, it should be noted that this skier was no slouch – the article quotes Utah Avalanche Center’s Drew Hardesty as calling the guy “a very experienced professional.”

What’s notable is that the slide occurred on a mellow gradient, only 15-20 degrees – normally too mellow for avalanche danger.  So riders be forewarned.

For visual reference, this joystick is mounted at a 20 degree angle: