This is the aftermath of what appears to be freezing rain in Vladivostok Russia. Raindrops become supercooled whilst going through a sub-freezing layer of air hundreds of meters above the ground, freezing upon impact with any surface.

This is the aftermath of what appears to be freezing rain in Vladivostok Russia. Raindrops become supercooled whilst going through a sub-freezing layer of air hundreds of meters above the ground, freezing upon impact with any surface.