Erin strengthens to Category 5 hurricane
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It quickly powered up from a tropical storm to a Category 5 in a single day, the National Hurricane Center said.
Tropical Storm Erin -- which is forecast to strengthen into the first hurricane of the Atlantic season by Saturday morning -- won't have a direct impact on the U.S., but it will bring dangerous rip currents to the East Coast.
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.