A southward shift in Erin’s track has led to an increase in risk for the northern Caribbean Islands, though a direct hit in the United States is unlikely.

Tropical storm Erin is forecast to become the first major Atlantic hurricane of the year, and it could bring dangerous weather to the East. Here’s what to know. The first Atlantic hurricane of the year could be upon us.

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,