It wasn’t a whodunnit. Last year’s unprecedented rainfall and flooding in Houston were the proximate result of Hurricane Harvey, a massive storm born northeast of Venezuela and reborn in the Gulf of Mexico, where it rapidly intensified, made landfall over Houston, and then stayed—parked, as it were, for five days. LEARN MORE The WIRED Guide to Climate Change Harvey was, however, something of a whydunnit.

Learn about your ad choices: dovetail.prx.org/ad-choices