TAKE COVER NOW! Move to a storm shelter, safe room 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.

TOROUN The National Weather Service in Norman has issued a * Tornado Warning for... Southwestern Ellis County in northwestern Oklahoma... Northwestern Roger Mills County in western Oklahoma... * Until 545 PM CDT. * At 509 PM CDT, a severe thunderstorm capable of producing a tornado was located 6 miles northeast of Lake Marvin, moving northeast at 35 mph. HAZARD...Tornado and golf 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. * Locations impacted include... Arnett.