Palm trees damaged by Hurricane Maria Palm trees damaged by Hurricane Maria stand in Marigot, Dominica, on Monday, May 7, 2018. After the storm devastated Dominica last September, the government pledged to rebuild it into the world's first "fully climate-resilient" nation. (Photo: Alejandro Cegarra/Bloomberg)

(Bloomberg) – With four storms already in the books, the Atlantic is expected to produce a total of nine to 13 named storms during the six-month hurricane season that ends Nov. 30, the National Oceanic and Atmospheric Administration said.

Numbers lower than predicted in May

That's down from the 10 to 16 systems of tropical-storm strength or greater the agency that oversees the National Weather Service called for in May. Of the total announced Thursday, four to seven could become hurricanes, with only one, or perhaps even none, becoming a major system with winds of 111 miles per hour or more. A storm is named when winds reach at least 39 mph.

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