A sprawling winter storm has triggered official National Weather Service (NWS) warnings across a wide stretch of the country, bringing heavy snowfall totals of up to 17 inches.

Nearly half of the U.S. population was under a winter storm watch or warning Friday as a major system moved from the Rockies through the Ohio and Tennessee River valleys, and eventually into the Mid-A...

The weather service describes, “Heavy snow and sleet expected. Total snow accumulations between 7 and 10 inches. Winds gusting as high as 40 mph.”