CNN Anderson Cooper 360 February 14, 2014 01:10:00
Very menacing. what is thunder sleet? >> it is thunder and sleet happening at the same time. it happened at the university of richmond and southeast virginia today. sleet was coming down so hard that it actually -- think about this. you're wearing just leather shoes. you rub your feet on the polyester carpet and touch the doorknob. that's a shock. that's what was happening there. the shock of the sheer of the sleet up there freezing, bouncing off each other, made static electricity, made a lightning bolt although it didn't go to the ground it went cloud to cloud, not cloud to ground. you hear ...