Massive thunderstorms, tornadoes expected across the US impacting 50 million Americans New York Post Widespread multiday severe weather threat kicks off April in central, eastern US Fox Weather April’s Weather Can Include Tornadoes, Snow, Flood | Weather.com The Weather ChannelApril will bring severe storms, snow and flooding as a wide-reaching storm crosses the US CNNChance of severe storms in St. Louis Monday St. Louis Post-Dispatch