An immense spring storm emerging from the Western U.S. was expected to form a 1,000-mile (1609 km) front of extreme weather from the Great Lakes to Texas on Friday, spawning blizzards, freezing rain,

Thunderstorms forecast across portions of Mississippi, Ohio and Tennessee valleys with tornadoes the most noteworthy threat

A​n intensifying spring storm will spread snow across parts of the Northern Plains and upper Midwest while also producing high winds in the Great Lakes and Northeast late this week. This storm will be a continuation of the same one that entered California on Tuesday.