Tropical Storm Dolly has formed in the western Caribbean sea.
The National Hurricane center has issued a tropical storm warning for the Yucatan peninsula from the Border of Campeche, Mexico.
At 11:45 a.m. EDT, the center of the storm was about 270 miles east of Chetumal, Mexico and 230 miles southeast of Cozumel. Maxium sustained winds are about 45 mph.
Dolly is moving toward the northeast at 17 mph, and forecasters expect it to continue moving in this direction for the next two days.
This is the fourth tropical storm of the Atlantic hurricane season, which runs through Nov. 30