Erin is expected to become a hurricane Friday, Aug. 15 and a major hurricane by Sunday morning. What Florida can expect from the storm.

Tropical Storm Erin officially formed in the eastern Atlantic on Monday morning, just west of the Cabo Verde islands. This system is expected to continue moving west to west-northwest at 15 to 20 mph across the eastern and central tropical Atlantic.

Tropical Storm Erin continues its westward path across the Atlantic, expected to become a hurricane Aug. 15, and a major hurricane by Sunday morning.