* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern Mendocino County in northwestern California... * WHEN...Until 1115 AM PST Wednesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS... - At 920 PM PST, Doppler radar indicated heavy rain. Flooding is already occurring in the warned area. Between 2 and 3 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Mainly rural areas of Southwestern Mendocino County. - http://www.weather.gov/safety/flood