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The National Hurricane Center (NHC) says Hurricane Michael is packing even more punch: It strengthened into a Category 4 storm early Wednesday, with maximum sustained winds of 130 mph.
Michael gained new strength over warm tropical waters amid a forecast that it would swiftly intensify into a major hurricane before striking Florida's northeast Gulf Coast
Just as the long holiday weekend marked summer's unofficial start in the U.S., Alberto gave the unofficial start of what forecasters recently predicted would be an active hurricane season.