* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. A portion of central Oklahoma, including the following counties, Canadian, Cleveland, Grady, McClain and Oklahoma. * WHEN. Until 245 PM CDT. * IMPACTS. Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS. - At 1138 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1.5 and 2.5 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include. Southwestern Oklahoma City, western Norman, Moore, Newcastle, Blanchard, Mustang, Tuttle, Amber, Bridge Creek, Pocasset and Middleberg. - http://www.weather.gov/safety/flood