NEW : Nashville flooding prompts many rescues , forcing trains off track . Most of 21 states are under some type of flood watch or warning system . `` Everything in this living room was soaked , as it all came in through the door , '' resident Andy Anderson told the station . Southeast Kansas and southern Missouri have an extreme flooding risk . More than 2 inches of rain may fall quickly in Ohio , West Virginia and Kentucky .
NEW : Nashville flooding prompts many rescues , forcing trains off track . Most of 21 states are under some type of flood watch or warning system . Southeast Kansas and southern Missouri have an extreme flooding risk . More than 2 inches of rain may fall quickly in Ohio , West Virginia and Kentucky .