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.

Tropical Storm Melissa is likely to form in the Caribbean in the next 48 hours, according to the National Hurricane Center.

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.