After a weekend of staggering strengthening, Hurricane Erin remained a major hurricane Monday on its path skirting away from the United States. And following behind in the Atlantic is another system the National Hurricane Center has given a medium chance of further development.

After rapidly intensifying into a Category 5 storm on Saturday, Hurricane Erin has since been downgraded to a Category 4 system with sustained winds of 130 mph. However, it is expected to intensify and grow in size over the next few days.

Hurricane Erin on Monday bulked back up, but then dropped back down, although still a major Category 3 storm as it moved near the Bahamas with an increasing wind field that prompted new tropical

Hurricane Erin has re-intensified into a category 4 major hurricane Sunday evening. Life threating surf and rip currents are likely across the East coast of the

Tropical storm conditions and coastal flooding are expected to appear in areas along the Outer Banks starting late Wednesday.

Hurricane Erin is forecast to remain well offshore but still bring hazardous currents and possible erosion like previous offshore hurricanes before it.

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,