Dual-pol radar captures image of debris Posted in Photo of the Month on May 23, 2013 by Susan Cobb. Dual-polarized radar from May 19, 2013 identified debris in the air (inside white circle) confirming a tornado was on the ground. Related Articles:Dual-pol debris ballsTornadoes producing damage on the ground detectible by…NOAA NSSL mobile dual-polarized Doppler radar captures IkePhased array radar captures evolution of a tornado at close…Share this: