…SIGNIFICANT WEATHER ADVISORY FOR ROCKWALL…HUNT…NORTHWESTERN RAINS…EASTERN COLLIN AND SOUTHERN FANNIN COUNTIES UNTIL 500 PM CDT… At 404 PM CDT, Doppler radar was tracking a strong thunderstorm near Caddo Mills, or near Greenville, moving east at 20 mph. Nickel size hail and winds of up to 40 mph will be possible with