Harvey is no ordinary storm.
Those old enough to remember Hurricane Katrina in 2005 can recall chilling images of a city submerged. A storm surge washed across New Orleans, inflicting countless casualties and billions in property damage.
In Houston, it was not a surge of seawater that flooded the nation's 4th-largest city, but rather trillions of gallons of water from relentless rainbands rotating around a stationary storm.
We don't yet know exactly how Harvey will measure up, but comparisons don't matter much at this stage. People are in real trouble right now, and with emergency services strained, it's down to local residents to help each other out and save lives. Read more...
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