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,

Erin's intensification in the Atlantic brought the storm to a catastrophic Category 5 hurricane on Saturday, but it is now showing signs of weakening. It rapidly intensified into a major hurricane from 2 a.

Arlene Corsino Baez, who lives in Caguas, Puerto Rico, shared how she is feeling anxious about the storm after surviving Maria in 2017

Over the weekend, northern portions of the Leeward Islands, the Virgin Islands, and Puerto Rico are expected to receive tropical rain ranging from 2 to 4 inches, with isolated totals up to 6 inches. Flash flooding, landslides and mudslides will be the main concerns over the next several days.