* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Maricopa County in south central Arizona... * WHEN...Until 730 PM MST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 434 PM MST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Gila Bend, Gila Bend Auxiliary Field, Bosque and Sonoran National Monument. - http://www.weather.gov/safety/flood