In a worst-case scenario for the U.S., a major hurricane could hit Florida's Gulf coast, but forecasters say it would have to clear several hurdles.

The National Hurricane Center is reporting a high chance of a tropical depression forming over the next 48 hours, tracking across the Caribbean Sea. All eyes are on the Caribbean, where a developing tropical depression could potentially turn into the next hurricane to hit Florida,

A shift in Tropical Depression 19's track has significantly impacted meteorologists' predictions about its potential to form into Hurricane Sara.