FloodZoneMap.org

Thunderstorms with locally heavy rainfall developed across the higher terrain areas to the east of Phoenix during the evening hours on August 24th. Some of the stronger storms produced locally heavy rain rates in excess of 3 inches per hour, which led to some episodes of flash flooding between the towns of Superior and Globe. As an example of the heavy rain, a trained spotter in Apache Junction measured 1.2 inches of rain within a 20 minute period for a rain rate of 3.6 inches per hour. At 1925M