In just over 24 hours, the storm surged from a Category 1 hurricane with 75 mph winds to a Category 5 with near-160 mph winds ...

After exploding in strength at a historic rate this weekend, Hurricane Erin is now a sprawling Category 4 storm churning in ...

Rapid intensification, or RI, happens when a tropical system’s sustained winds increase by about 35 mph (30 knots) within a ...