Texans affected by Hurricane Beryl have found a novel way to stay up to date on one aspect of the storm’s damage. The Washington Post reports that a map of open Whataburger fast food locations in Houston has emerged as a shorthand for the extent of ongoing power outages caused by the storm.

Hurricane Beryl swept ashore as a Category 1 storm with heavy rains and powerful winds, and knocking out power to more than 1 million homes and businesses as fast-rising waters caused street flooding