As Hurricane Ian rips by means of Florida as some of the highly effective storms ever recorded within the U.S., CoreLogic, a knowledge analytics supplier, estimates that 7.2 million single- and multifamily residences with a mixed complete reconstruction worth of $1.6 trillion are throughout the average and excessive flash flood danger bands, as forecasted by the Nationwide Hurricane Heart.
Frenzied residents and companies have boarded up their houses and outlets, packed their belongings and evacuated to greater floor as they brace for a catastrophic impression.
“This forecast doesn’t point out each single house inside these bands will flood, nor that any flooded house will maintain 100% injury as much as its full reconstruction worth,” mentioned Jon Schneyer, senior disaster response supervisor at CoreLogic. “This estimate accounts for flash flooding solely and excludes houses which are in danger to river and coastal flooding.”
He defined, “Many have used Hurricane Charley in 2004 as a historic analog for Hurricane Ian, however regardless of comparable energy and landfall location, the 2 storms are very completely different. First, Hurricane Ian is way bigger, with a wind subject that’s greater than double that of Hurricane Charley. Second, Hurricane Ian is transferring ahead extra slowly. Charley made landfall at greater than twice the velocity of Ian. Each elements have important impacts on not solely the variety of houses that may expertise hurricane-force winds throughout Florida, however these elements will enormously amplify the storm surge and precipitation-induced inland flooding.”
Schneyer mentioned Hurricane Ian’s impression on Florida residents seems to be a worst-case situation, combining probably the most harmful parts of three notorious landfalling hurricanes: Andrew (1992), Katrina (2004) and Irma (2017).
“Hurricane Ian made landfall in a densely populated space with main hurricane-force winds and is predicted to stay at hurricane standing—with windspeeds over 74 mph—for hours impacting 1000’s of houses throughout all the state,” mentioned Schneyer. “Storm surge depths of as much as 18 toes above the bottom floor might flood 1000’s of houses. Lastly, fixed and sometimes torrential downpours will inundate the comparatively flat state of Florida for a number of days after landfall. As of immediately, five-day rainfall depths of as much as 20 inches are anticipated throughout parts of the state.”