* WHAT...Flash flooding caused by excessive rainfall continues to be possible.
* WHERE...A portion of south central Arizona, including the following areas, Aguila Valley, Apache Junction/Gold Canyon, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, East Valley, Fountain Hills/East Mesa, North Phoenix/Glendale, Northwest Pinal County, Northwest Valley, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, Southeast Valley/Queen Creek, Tonopah Desert and West Pinal County.
* WHEN...From Wednesday evening through Thursday afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - A strong weather system affecting the region will bring widespread showers and thunderstorms, particularly from Wednesday evening through Thursday afternoon. Moderate to heavy rainfall with localized rainfall rates upwards of 1 to 2 inches per hour will be possible at times. - http://www.weather.gov/safety/flood