4:59 p.m.: One-inch hail is reported in Parker by National Weather Service spotters. 4:55 p.m.: Inbound flights to Denver International Airport are being held at their airport of origin until 5:30 p.m. Mountain Time because of stormy weather here, according to FligtAware.com. DIA is under a severe thunderstorm watch. 4:43 p.m.: A severe thunderstorm warning is posted by the National Weather Service for Aurora, Centennial and DIA until 5:30 p.m.