Humberto , the eighth named storm to emerge this hurricane season, is currently swirling over waters just north of the Caribbean as a major hurricane. While forecasts as of Saturday predict Humberto won't ever touch land, there is a possibility it could interact with another system developing nearby in the western Atlantic.

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 storms merge and become entangled around a newly formed, common center.

How the process plays out depends on the characteristics of the storms involved, according to the National Weather Service . The forecasting agency describes the Fujiwhara effect on its websi

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