Tropical Storm Fiona Joins Earl, Danielle in Atlantic Ocean

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Hurricane Earl strengthened to a Category 4 storm on a track forecast to take it by the U.S. East Coast later this week. It was joined in the Atlantic by Tropical Storm Fiona, which formed 900 miles to its east.

Fiona becomes the third storm churning in the Atlantic. Earl, with maximum sustained winds of 135 miles (215 kilometers) per hour, presents the most immediate threat to the U.S. Danielle was downgraded to a tropical storm and is forecast to be absorbed by a weather front in the North Atlantic.