Storm Prediction Center Fatal Tornado History
Data and Imagery Courtesy of Storm Prediction Center US Fatal Tornado History.
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Clouds A visible collection of tiny water droplets or, at colder temperatures, ice crystals floating in the air above the surface. Clouds come in many different sizes and shapes. Clouds can form at ground level, which is fog, at great heights in the atmosphere, and everywhere in between. Clouds offer important clues to understanding and forecasting the weather. |







