Approximately 88 billion gallons:
… Read the restA complex of slow-moving thunderstorms dropped tornadoes and extreme rainfall across Broward County in Florida this week, causing historic flooding that forced residents to abandon vehicles and scramble to higher ground.
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The excessive rainfall, which fell at rates briefly topping six inches per hour, was a product of slow-moving thunderstorms anchored atop a stalled frontal boundary. The initially unanticipated deluge stemmed from the natural randomness of the atmosphere, but it fits into a pattern of a warmer, wetter world with higher rainfall rates.
Statistically, the episode easily qualifies as a thousand-year rain event — or one that would have a 0.1 percent chance or less of occurring in any given year.
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