
Heat Wave to Shift East After Posing Dangerous Conditions in the Plains
More than 15 million people in the Northern and Central Plains were under heat alerts on Sunday, the National Weather Service said.
NYTimes.com
In geography, a plain is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands.
More than 15 million people in the Northern and Central Plains were under heat alerts on Sunday, the National Weather Service said.