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 continued to strengthen Thursday on its trek across the Atlantic. The storm is located about 890 miles east of the northern Leeward Islands and is moving westward at approximately 17 mph,