Freezing drizzle is a type of winter precipitation that consists of supercooled liquid droplets of water that fall from the atmosphere and freeze upon contact with surfaces. This phenomenon usually occurs when there is a layer of warmer air aloft above a surface layer of cold air. The supercooled droplets can create a thin layer of ice on roads, sidewalks, trees, and other surfaces, leading to potentially hazardous conditions such as ice accumulation.
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