SEE ALSO: Rare clouds make a wave over Montreal Frost flowers can form on thin layers of ice on cold, calm days with no winds. The temperature at the ice surface must be warmer than the air ...

"Frost flowers," or ice crystals that form on water in certain conditions, were spotted in abundance on Lake Harriet — a rare occurrence that's typically only seen on sea ice. The "blooms" were ...

The unusual structures, known as hair ice and frost flowers, are the result of how wacky water can get when frozen in just the right way, and if you keep your eyes peeled we know just where you ...