The National Hurricane Center expects the storm to strengthen over the next several days and says it could become a hurricane by late Thursday.

The National Hurricane Center expects tropical Storm Erin - which is powering across the eastern Atlantic Ocean - to intensify, potentially becoming a major hurricane as early as this weekend

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.