Multiple lightning bolts against purple skies from a thunderstom strikes the Rincon Mountains on the easide ofTucson, AZ during the summer 'monsoon' season. Downtown Tucson is in the foreground. A time exposure recorded numerous bolts from a highly energized, intense thunderstorm as it crossed the city. Original photograph was made on 35mm Kodachrome film, ISO 64 with Canon T-90, 35mm-105mm zoom lens @ f/8 with an approximate 5 minute exposure. Slide was digiitzed by Kent Wood, the photographer, on an Epson 4870 scanner.