Melissa, Category 5 and National Hurricane Center
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Melissa has strengthened into a Category 5 hurricane and is expected to be the strongest ever to hit the island.
According to the National Hurricane Center's 2 p.m. Saturday advisory, Tropical Storm Melissa is in the Caribbean Sea, 160 miles southeast of Kingston Jamaica and 235 miles southwest of Port Au Prince Haiti. The system is moving to the west-northwest at 1 mph, with maximum sustained winds of 70 mph.