* 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 afternoon 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 from Wednesday afternoon through Thursday evening. 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