Want to find a working gas station, an open restaurant or someplace with air-conditioning in East Texas after Hurricane Beryl knocked out power to millions on Monday? Users on Houston-area Facebook pages and group chats have suggested checking Whataburger’s online map to see which locations of the homegrown fast-food chain are operating. She looked at the map and headed where “there was a pretty decent concentration of Whataburgers” open. Craig Fugate, a head of the Federal Emergency Management Agency under President Barack Obama, once said: “If you get there and the Waffle House is closed? That’s where you go to work.” The concept is known as the “Waffle House index,” and has even been studied by academics — really.

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Persons: Hurricane Beryl, Jais Curry, Craig Fugate, Barack Obama, — Organizations: Federal Emergency Management Agency, Waffle, CenterPoint Energy Locations: East Texas, Hurricane, Houston