Erin formed in the eastern Atlantic Ocean on Monday and is strengthening as it moves westward. The NHC said there is still uncertainty about what impact it could have on states like Florida on the U.S. East Coast, as well as the Bahamas and Bermuda.

Tropical Storm Erin is expected to strengthen, but will the storm be a direct hit to Delaware and the East Coast? See models, the latest updates here.

TAMPA, Fla. (WFLA)— Tropical Storm Erin is expected to become a hurricane by Friday, the National Hurricane Center said. Erin is moving westward at approximately 17 mph and will continue this motion today before transitioning to a west-northwestward motion tonight and into the weekend.