MOTHERS DAY GREEN TORNADO 1. 3 mile wide EF3, Supercell Lightning barrage

May 11th 2014. Beaver Crossing Nebraska. A large supercell spawning multiple tornadoes including this 1. 3 mile wide EF3. For licensing contact You often hear stories about storm clouds turning green before a tornado touches down. The explanation is the same type of thunderstorms responsible for the majority of violent tornadoes also may produce copious amounts of hail. These thick hail downdrafts or hail cores often have a blueish turquoise glow. Makes sense doesn t it that an icy wa