...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR WESTERN OZARK...SOUTH CENTRAL DOUGLAS AND EAST CENTRAL TANEY COUNTIES... At 614 PM CST, a severe thunderstorm capable of producing a tornado was located 12 miles south of Ava, moving northeast at 25 mph. HAZARD...Tornado and half dollar 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... Bull Shoals Lake, Bryant Creek State Park, Theodosia, Wasola, Sundown, Thornfield, Noble, Squires, Brushyknob, and Long Run. 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. Tornadoes are extremely difficult to see and confirm at night. Do not wait to see or hear the tornado. TAKE COVER NOW!