Massive “Roll Cloud”

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In February, a rare and beautiful “roll cloud” was photographed low in the sky above the Atlantic Ocean near Brazil. Roll clouds are often born out of a storm’s downdraft. Sinking cold air causes warm, moist air near the ocean’s surface to rise, and when the air reaches higher altitudes, the moisture in it condenses to form a cloud. Winds from the storm then roll the cloud into a tube.

Crash

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