Tornado Alley 'about to wake up': Wall of storms threaten 18 states
Severe thunderstorms and tornadoes will threaten almost 1 million square miles of 18 states in coming days as tumultuous spring weather sweeps the nation.
Severe thunderstorms and tornadoes will threaten almost 1 million square miles of 18 states in coming days as tumultuous spring weather sweeps the nation.