We were indeed fortunate that Hurricane Irene tracked away from the Potomac River last week. Instead, Irene tracked up the Hudson River and caused severe damage from 8 to 13 inches of rain in the Hudson Valley and in Vermont.
Hurricane Isabel tracked up the James River in 2003 and dumped 8 to 12 inches of rain onto Richmond, which also caused severe flood damage.
Question has to be asked: What would happen if 8-12 inches of rain fell on Arlington in 24 hours? Next question: Why is the County Board so fired up about paving over Arlington without any comprehensive analysis of what would happen here if a hurricane like Irene and Isabel tracked up the Potomac?