Thunderhead over Tucson, Arizona Softball-sized hailstone - Amarillo, Texas Tornado - Central Kansas Lightning over Tucson, Arizona EF5 tornado damage from Joplin, MO Winter wonderland Tucson, Arizona warren-chase-truck Utility workers hit by massive storm surge from Hurricane Ike Tornado near Shamrock, Texas DSCF0503-ub-x Storm clouds at sunset over western Texas Lightning strikes a gasoline tank farm in Tucson, AZ. T03-BW SC-89-Photomatrix Lightning Over Tucson, Arizona