A powerful winter storm of historic proportions that the National Weather Service (NWS) warned could bring life-threatening conditions has prompted multiple states to announce emergency measures, with over 240 million people under some kind of weather warnings or advisories.
The latest bulletin from the NWS' Weather Prediction Center, issued at around 3 a.m. on Dec. 23, warned of a “historic winter storm” that was poised to produce widespread disruption to big portions of the country.