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August 30, 2011

Hurricanes move like leaves in a stream

FROM TODAY'S PRINT EDITIONS:

Irene hits NYCChuck Grene, in Westminster, writes: “When the hurricane [Irene] was over North Carolina, it was traveling 15 mph. But when it got to New York, it was going 28 mph. What forces determine the speed of a hurricane?” Hurricanes move with the air currents around them. In the tropics, Atlantic storms drift westward in the gentle trade winds, usually around 15 mph. But as they curve north, they hit mid-latitude (west-to-east) winds. They may stall or loop in weak currents, then accelerate in strong ones. The fastest forward speed ever recorded for an Atlantic hurricane was the Long Island Express, in 1938, which went ashore at 60 to 70 mph.

(PHOTO: Spencer Platt, Getty Images)

 

Posted by Frank Roylance at 12:00 AM | | Comments (0)
        

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About Frank Roylance
This site is the Maryland Weather archive. The current Maryland Weather blog can be found here.
Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1992, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page. Frank also answers readers’ weather queries for the newspaper and the blog. Frank Roylance retired in October 2011. Maryland Weather is now being updated by members of The Baltimore Sun staff
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