The storm has already prompted evacuation orders on North Carolina's Outer Banks and warnings about dangerous rip currents and swells along the East Coast.

Tropical storm conditions and coastal flooding are expected to appear in areas along the Outer Banks starting late Wednesday.

Two more tropical systems trail Hurricane Erin, which is following a projected course that brushes past the East Coast without making landfall.

While Tropical Rainstorm Erin continues to generate rough surf and coastal hazards, AccuWeather meteorologists are monitoring additional tropical waves near the region where Erin initially formed earlier this month.

Hurricane Erin on Monday bulked back up, but then dropped back down, although still a major Category 3 storm as it moved near the Bahamas with an increasing wind field that prompted new tropical

While Erin is expected to take a northward turn in the Atlantic, a new system off the coast of Africa has the National Hurricane Center's attention.