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A hurricane-spawned tornado boom

Cyclones striking Gulf Coast in recent years have generated more twisters that those that hit the region in the mid-20th century

5:19pm, September 11, 2009

Hurricanes and tropical storms striking the Gulf Coast region since 1995 have spun off more twisters than those that hit during the mid-20th century, mostly because the more-recent storms have been broader and therefore have covered more area, a new study suggests.

Most tropical storms and hurricanes trigger tornado outbreaks upon striking land, says Judith A. Curry, an atmospheric scientist at the Georgia Institute of Technology in Atlanta. And even though most cyclone-spawned tornadoes are weak, they can cause significant death and destruction: The 117 tornadoes associated with Hurrican

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