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.

Tropical Storm Erin is expected to intensify to hurricane status later today and could bring rough surf and rip currents to the Jersey Shore by next week.

Tropical Storm Erin is not expected to directly hit Georgia, but dangerous rip currents are coming. Here's more.

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.

A tropical disturbance along the Gulf could develop into a depression before moving into South Texas and northeastern Mexico Friday evening. Any development into a depression would likely be "short-lived," the National Weather Service said.

Tropical Storm Erin is approaching Puerto Rico and the Virgin Islands, bringing heavy rains that could cause flooding and landslides.

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.