FFWOUN The National Weather Service in Norman has extended the * Flash Flood Warning for. Southwestern Caddo County in southwestern Oklahoma. Northern Comanche County in southwestern Oklahoma. Eastern Kiowa County in southwestern Oklahoma. * Until 1100 AM CDT. * At 828 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Elgin, Apache, Medicine Park, Roosevelt, Gotebo, Cooperton, Meers, Lake Lawtonka, Boone, Fort Sill, Lake Ellsworth, Tom Steed Reservoir, Wichita Mountains Wildlife Refuge, Doris Campground, The Visitor Center and Mount Scott.