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Hurricane Sandy started the way many hurricanes do, as a tropical wave. This wave move over the Caribbean Sea. It gained strength as it fed off the moisture that evaporated from the warm water and organized into a tropical depression on October 22, 2012. A few hours later that depresion strengthened into Tropical Storm Sandy. Continuing to feed on the moisture, Sandy strengthened into a hurricane shortly before landfall in Jamaica on October 24, and continued to strengthen before striking Cuba early on October 25.

Later, though, as Sandy moved up the U.S. east coast and started becoming post-tropical something unusual happened. Sandy started to combine with a cold front that had come in from the east. Because of this, Sandy actually reintensified and grew to an enormous size where it normally would have weakened. By the time of landfall in the U.S. Sandy was no longer a true hurricane, but a very intense post-tropical cyclone.

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12y ago

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