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 is tracking west over the open Atlantic Ocean on Tuesday and forecasters expect it to become the first hurricane of the Atlantic season this week.

Forecasters say Erin will likely become a hurricane in a couple of days, but it's still too early to determine what sort of impacts the storm could have, if any, on the U.S. East Coast.