* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Southwestern Riverside County in southern California... Northeastern San Diego County in southwestern California...
* WHEN...Until 300 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible.
* ADDITIONAL DETAILS... - At 120 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Mainly rural areas of Southwestern Riverside and Northeastern San Diego Counties. - https://www.weather.gov/safety/flood