A 33-year-old woman who was reported missing after flash flooding near the Grand Canyon in Arizona has been found dead, according to federal officials. More than 100 others had earlier been evacuated. The incident happened at 1:30 p.m. on Thursday when a flash flood struck Havasu Creek at Grand Canyon National Park, about half a mile (800 meters) above the Colorado River confluence. Chenoa Nickerson, from Gilbert, Arizona, was not wearing a life jacket when she was swept into the creek. More than 100 others, including her husband, were rescued and airlifted to safety. Nickerson and her husband…