Severe Alert: Strong to severe thunderstorms possible Monday and Tuesday WLKY LouisvilleMajor storm to sweep United States with severe weather, snow, flooding The Washington PostMonster April storm to threaten much of U.S. with severe weather AxiosApril To Begin With Severe Weather, Tornado Threat | Weather.com The Weather ChannelMassive thunderstorms, tornadoes expected across the US impacting 50 million Americans New York Post