…SIGNIFICANT WEATHER ADVISORY FOR DENTON…COLLIN AND GRAYSON COUNTIES UNTIL 1230 PM CDT… At 1140 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from the Red River near Denison to Flower Mound. Movement was east at 45 mph. Dime size hail and wind gusts up to 50 mph will be possible with