* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A Small Portion of Central San Diego County in southwestern California...
* WHEN...Until 400 PM PDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS... - At 311 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... Hwy S2 Between Hwy 79 And Hwy 78, Ranchita, Hwy S22 Between Ranchita And Borrego Springs and Santa Ysabel Indian Reservation. - https://www.weather.gov/safety/flood