That's an unlikely outcome, said CBS News meteorologist Nikki Nolan. But if such a collision does occur, it could produce what's called the Fujiwhara effect, a rare phenomenon in which two different ...

Two tropical systems near the Carolinas could interact in a rare “dance” that might steer dangerous storm away from the coast ...

An unusual interaction of two tropical storm systems — maybe even a rare dance — could happen soon in the Caribbean. If it does, it would lessen the mess and maybe even shield the Carolina coast from ...