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Mammatus Clouds | by coyote1944
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Mammatus Clouds

Despite popular misconception, mammatus clouds are not a sign that a tornado is about to form. While associated with thunderstorms, mammatus clouds are not necessarily an indicator of severe weather. Mammatus result from the sinking of moist air into dry air. They are in essence upside-down clouds. The sharp boundary of mammatus is much like the sharp boundary of a rising cumulonimbus cloud before an anvil has formed. - Grace Muller, AccuWeather.com

Tulsa, OK

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Uploaded on April 29, 2020