Thunderstorms build to the north of the Rapid-scan Doppler on Wheels portable radar, built by NCAR and collaborators, as it scans the skies of the Texas Panhandle on May 15, 2003. DOW documented several tornadoes later that day.DI01132, Research Equipment, tornado, tornadoes, thunderstorms, Texas Panhandle, May 15, 2003, Doppler on Wheels, portable, radar
