Shelf Cloud. Gurley, Nebraska 06/06/10
Mamatus Clouds at Sunset. Healy, Kansas 06/15/11	Monsoon Thunderstorm. Rancho Santa Fe, California 09/05/09	Thunderstorm. Avignon, France 06/18/14	Altocumulus Clouds. Parkland, Florida 03/01/05	Supercell Thunderstorm with Green Sky. Broadwater, Nebraska 06/09/10