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DOW Radar Truck in Storm

Photo: Doppler On Wheels (DOW) radar truck during storm

"The storm sky's like a chorale with thunderous organ music," says tornado chaser Anton Seimon. To get front-row seats, scientists take to the road to intercept storms. To measure wind speeds at close range, Doppler on Wheels (DOW) radar trucks wait for twisters.

Photograph by Carsten Peter