Erin reached Category 5 status before weakening but has brought significant rain to the Virgin Islands and Puerto Rico.

It quickly powered up from a tropical storm to a Category 5 in a single day, the National Hurricane Center said.

Powerful Hurricane Erin has undergone a period of astonishingly rapid intensification — a phenomenon that has become far more common in recent years as the planet warms. It was a rare Category 5 for a time Saturday before becoming a Category 4,