When Lindsay Carter heard on the radio that a violent storm was approaching her rural Oklahoma neighborhood, she gathered her belongings and fled. When she returned, there was little left. Sunday's tornado that tore part of the roof from Carter's frame house -- one of few such homes in the Steelman Estates Mobile Home Park near Shawnee -- laid waste to many of her neighbors' places, and killed two people and injured several others. "Trees were all gone. I walked further down and all those houses were gone," she said of her return home to the neighborhood. The tornado was one of several that touched down Sunday in the nation's midsection, concentrating damage in central Oklahoma and Wichita, Kan. Two people were killed in or near the mobile home park, which is outside of Shawnee, a community about 35 miles southeast of Oklahoma City. At least 39 people throughout Oklahoma were injured, according to the state's emergency management director, Albert Ashwood. The National Weather Service was forecasting more of the same for the region -- including Oklahoma City and Tulsa -- Monday afternoon and evening, warning of the possibility of tornadoes and baseball-sized hail. Residents of Arkansas, Kansas and Missouri were also warned to watch for bad weather Monday.