Two tropical systems near the Carolinas could interact in a rare “dance” that might steer dangerous storm away from the coast. The phenomenon, called the Fujiwhara Effect, occurs when storms get within 800-900 miles of each other and begin orbiting around a central point.

Crews have been preparing for a weather system forecast to hit South Carolina as a hurricane early next week. South Carolina's governor urged residents to stay alert. North Carolina's

In the eastern Atlantic, the center of post-tropical cyclone Gabrielle moved away from the Azores. A hurricane warning for the entire Portuguese archipelago was discontinued. On Friday afternoon, the storm was about 245 miles east-northeast of Lajes Air Base in the Azores. The hurricane center stopped issuing advisories for the system.