* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Riverside County in southern California... San Bernardino County in southern California...
* WHEN...Until 800 AM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways.
* ADDITIONAL DETAILS... - At 553 AM PDT, Doppler radar and automated rain gauges 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... Riverside, San Bernardino, Fontana, Moreno Valley, Corona, Rialto, Chino, Redlands and Lake Elsinore. - https://www.weather.gov/safety/flood