Miami ? Hurricane Julia has intensified in the open Atlantic and Tropical Storm Karl in the northwestern Caribbean is on a path toward the Yucatan Peninsula.

Forecasters late Tuesday said Karl had maximum sustained winds of about 45 mph and is located about 185 miles east of Chetumal, Mexico. The U.S. National Hurricane Center in Miami says the strengthening storm’s center could be over the Yucatan today.

Mexico’s government has issued a tropical storm warning for the peninsula from Chetumal northward to Cabo Catoche. Parts of Belize are under a tropical storm watch.

Meanwhile, Julia had maximum winds near 105 mph. Also far from land over the Atlantic, Hurricane Igor’s top winds increased to 155 mph.