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

The National Hurricane Center said Tropical Storm Sara formed in the Caribbean on Thursday, but its forecast path over Mexico’s Yucatan peninsula now has it falling apart by the time it

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.