Ice covered thistle (DI01569), Photo by Carlye Calvin
A thistle seed head covered in ice during an ice storm in Boulder, Colorado. Ice storms are characterized by glaze. Glaze occurs when rain or drizzle that has been supercooled falls on cold surfaces and immediately freezes. Objects become coated with a layer of ice that can snap branches and power lines and cause havoc on the roads.
copyright University Corporation for Atmospheric Research, Photo by Carlye Calvin
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