In this aerial view from Sunday, Dec. 12, 2021, homes and businesses are reduced to rubble after a tornado ripped through the area two days prior in Mayfield, Kentucky.
(Scott Olson/Getty Images)
The National Weather Service issues tens of thousands of weather warnings each year for severe thunderstorms, flooding, high winds, winter storms, tropical storms, coastal impacts and extremes in temperature. Which areas of the country are warned most?