Thunderstorms sweeping through Arkansas flipped an 18-wheeler and damaged homes in the north-central portion of the state.
The National Weather Service said four people were reported injured Wednesday evening after a tornado hit Van Buren County. Tornado damage was reported at Botkinburg, Mount Olive, and Scotland, with a tractor-trailer flipped over near Botkinburg.
John Robinson of the National Weather Service said 30 homes were damaged in Van Buren County and that five people were injured. Three were treated at a hospital and released.
Warm, humid air gave way to cooler air behind a front, and along the boundary a number of storms popped up. At one point Wednesday there was a 40-degree temperature difference between Pine Bluff in southeastern Arkansas and Fayetteville in the northwest.