The storm’s rapid intensification has prompted increased emergency measures in North Carolina, and the Outer Banks — a popular summer vacation spot — are now under a state of emergency.

Hurricane Erin, currently a Category 3 hurricane, is moving west-northwest and is expected to turn north on Monday and Tuesday.

Residents along the North Carolina coast were warned there is a risk of strong winds associated with the outer rainbands of Erin around the middle of the week, as well as a threat for significant coa...