FLOOD ADVISORY IN EFFECT UNTIL 230 PM MST/230 PM PDT/ THIS AFTERNOON. * WHAT. Flooding caused by excessive rainfall is expected. * WHERE. Portions of southwest Arizona and southeast California, including the following counties, in southwest Arizona, Yuma. In southeast California, Imperial. * WHEN. Until 230 PM MST /230 PM PDT/. * IMPACTS. Minor flooding in low-lying and poor drainage areas. Water over roadways. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS. - At 1032 AM MST /1032 AM PDT/, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 0.5 inches of rain have 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. Yuma, Somerton, Fortuna Foothills, Araby, Winterhaven, Blaisdell and Andrade. - http://www.weather.gov/safety/flood