Tropical Storm Erin is now the fifth named storm in the Atlantic this season as it formed on Monday off the western coast of Africa.

Tropical Storm Erin formed in the eastern Atlantic Ocean on Monday, forecasters said. The storm could strengthen to become the Atlantic's first hurricane of the season.

Tropical Storm Erin formed in the eastern tropical Atlantic on Monday morning and is forecast to grow into a major hurricane by the weekend, according to the National Hurricane Center. As of the NHC’s 2 p.