A tropical storm watch remains in effect for Jamaica as Tropical Storm Melissa is moving very slowly across the Caribbean Sea south of Hispaniola. This means tropical storm conditions pose a possible threat to Jamaica within 48 hours.

Tropical Storm Melissa was moving slowly through the Caribbean Sea early Thursday, according to forecasters warning of "life-threatening flooding" for parts of Haiti, the Dominican Republic and Jamaic

Could a slow-moving storm over the Caribbean Sea’s hottest waters strengthen into one of the season’s most dangerous hurricanes? Meteorologists are scrambling to find out as Tropical Storm Melissa moves towards possible hurricane force by Friday,