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.

Tropical Storm Erin is brewing in the Atlantic as we enter the peak of the Atlantic hurricane season. The storm is expected to become the first major hurricane of the 2025 season. But, what makes a tropical storm become a hurricane,

Hurricane Erin rapidly strengthened into a Category 5 storm. It is not expected to make a direct hit on the U.S. but will create dangerous surf.