As severe weather brewed in the Texas panhandle late in the afternoon of May 16,  NOAA National Weather Service forecasters alerted residents in parts of western Oklahoma about the potential for large hail and damaging tornadoes that evening, particularly in the area around Elk City.Ninety minutes later, a dangerous, rain-wrapped EF-2 tornado struck the small town: It killed one, injured eight, and destroyed about 200 homes and more than 30 businesses.