Erin is the fifth named storm to develop during the Atlantic hurricane season, which started just over two months ago. Last week, Tropical Storm Dexter formed in the western Atlantic but didn't pose a threat to land. In early July, Tropical Storm Chantal made landfall on the Carolina coast, bringing deadly flooding to the region.

Hurricane forecasters continued to track a tropical wave off the coast of Africa Sunday morning as Hurricane Erin weakened to a Category 3 storm following an eyewall replacement cycle.

A Gulf disturbance has a low chance of becoming a tropical storm, but it could bring rain, high surf and deadly rip currents to the Texas coast.

Officials in the northern Caribbean are warning of heavy rains and dangerous swells as Tropical Storm Erin approaches the region.

Extreme rainfall in New Zealand from future cyclones could rise by up to 35%. New high-resolution modeling predicts that rainfall from tropical cyclones will significantly increase under global warming.