A new system has emerged in the eastern tropical Atlantic, heading westward toward the Leeward Islands as Hurricane Erin continues to spin.

The first area has been under the eyes of the National Hurricane Center for a few days as it emerged off Africa’s west coast.

FOX Weather Meteorologist Craig Herrera tracks the next system that has a medium chance of tropical development behind Hurricane Erin in the Atlantic Ocean's Main Development Region.

“Some gradual development of this system is possible during hte middle to latter portion of thw eeek while the system moves westward to west-northwestward at 15 to 20 mph across teh eastern and central tropical Atlantic,” the hurricane center said.

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 on Saturday before weakening,