Tropical Storm Earl will continue to weaken as it crosses Belize after coming ashore early Thursday with drenching rains and hurricane-strength winds.

Tropical Storm Earl, forecast to grow into a hurricane, may just graze Mexicos oil-rich Bay of Campeche as it heads west toward the Honduras Bay Islands before making landfall in Belize within the next 24 hours.

Some of the most devastating hurricanes have formed in this part of the Atlantic, between the Caribbean Sea and the Cape Verde Islands.

La Nias conditions can decrease wind shear across the tropical Atlantic allowing more hurricanes to form.

Colorado State University edged up its seasonal Atlantic hurricane forecast to 15, three more than in an average year.

Tropical Storm Colin moved out to sea early Tuesday after knocking out power to thousands, prompting Florida Governor Rick Scott to declare a state of emergency.

A disorganized Tropical Storm Colin in the Gulf of Mexico is forecast to cross Florida overnight threatening evacuations in the states northern and central regions.

The second tropical storm in about a week may be threatening Florida by Monday if conditions keep deteriorating in the western Caribbean Sea.