snowstorm
Snowstorms close schools and offices across a large swath of the U.S.
Several governors have issued states of emergency as 6 to 12 inches of snow are expected from Ohio to Washington, D.C.
Snow, ice and strong winds make for dangerous conditions in upper Midwest
The National Weather Service issued a winter storm warning for large areas of Minnesota, Wisconsin and the Dakotas, where some interstates were snow-covered and treacherous.
