…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR WESTERN GRAHAM AND EAST CENTRAL PINAL COUNTIES… At 547 PM MST, severe thunderstorms were located along a line extending from near Aravaipa Canyon Wilderness to 7 miles south of Dudleyville to 15 miles southwest of Winkelman to 13 miles southwest of Kearny, moving south at 20 mph.