In The Aftermath of Harvey

On September 9, 1921, the remnants of a hurricane first swept through Tampico, Mexico, and then came into South Texas. It stalled when it hit a low-pressure system and dumped a record amount of rainfall from San Antonio to Williamson County, which is just north of Austin. The tiny community of Thrall, 25 miles east of Round Rock, sustained 39.7 inches of rain in 36 hours. More than 150 people died in Williamson County alone during that deluge. That rainfall record stood for nearly a century, until this week. It is not quite official, but there is little doubt a new record was set in the Houston...

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