A strengthening Hurricane Matthew is on course to batter the Florida, Georgia and South Carolina coasts, where it could cause $15 billion in U.S. losses.

Hermine is weakening as it moves farther inland across Floridas Panhandle and southeastern Georgia, after largely sparing energy assets in the Gulf of Mexico.

The new tool will let forecasters target potentially life and property threatening downpours street by street, giving people more time to get out of harms way.

The Atlantic basin will see the most named storms since the 2012 season, with five to eight of those strengthening into hurricanes by Nov. 30, NOAA predicts.

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.