Tropical Storm Melissa is moving slowly through the Caribbean Sea on Wednesday, meaning portions of Haiti, the Dominican Republic and Jamaica were expected to see major flooding.

Tropical Storm Melissa has begun churning in the Caribbean and is moving toward Haiti. At 2 p.m., Melissa was about 300 miles south of Port-au-Prince.

Tropical Storm Melissa was churning in the Caribbean early Wednesday, according to forecasters warning Hispaniola to expect heavy rains and flooding over the next few days.