THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN GRAYSON COUNTY IN NORTH CENTRAL TEXAS... NORTHEASTERN DENTON COUNTY IN NORTH CENTRAL TEXAS... SOUTHEASTERN COOKE COUNTY IN NORTH CENTRAL TEXAS... * UNTIL 945 PM CDT * AT 920 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR RAY ROBERTS PARK JOHNSON BRANCH...OR NEAR SANGER...MOVING EAST AT 25 MPH. HAZARD...TORNADO AND PING PONG BALL SIZE HAIL. SOURCE...RADAR INDICATED ROTATION. IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS LIKELY. * THIS DANGEROUS STORM WILL BE NEAR... RAY ROBERTS PARK JOHNSON BRANCH AND RAY ROBERTS PARK ISLE DU BOIS AROUND 930 PM CDT. PILOT POINT AROUND 940 PM CDT. OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE VALLEY VIEW AND TIOGA. THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 482 AND 492. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.