At 552 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Muenster to near Sherman. Movement was south at 25 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Plano, McKinney, Frisco, Denton, Allen, Sherman, The Colony, Corinth, Gainesville, Highland Village, Lake Dallas, Sanger, Whitesboro, Lake Lewisville, Little Elm, Denison, Prosper, Anna, Fairview, and Princeton. This includes the following highways... Interstate 35 between mile markers 468 and 503. Interstate 35W between mile markers 77 and 85. Interstate 35E between mile markers 455 and 466.