This Frazil Ice video was reposted by Yosemite on Facebook, first uploaded in 2010, so you may have seen it. It is still fun to watch.
Quote:
Summertime visitors to Yosemite National Park miss many of the unique events of winter and early spring. Frazil ice flows are dramatic natural events that occur in the waterfalls of Yosemite Valley during March and April.
