It’s a point echoed by William Hughes, a director of SunGard Availability Services, which works with businesses on disaster planning. Hughes says that Katrina, the 2005 storm that almost wiped New Orleans off the map, has been a particular catalyst in reshaping attitudes about hurricanes. “Before Katrina, people had certain assumptions about the duration” of time an area would remain affected by a storm, he says.

After Katrina? “All those assumptions changed,” he adds.

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