US Weather: "Killer" Winter Storm Seen From Space; U.S. Blanked - by Christine Dell'Amore

You could call it Snowpocalypse 2011—one of the biggest and worst winter storms since the 1950s has walloped at least 30 U.S. states, according to NASA.

Snow, sleet, freezing rain, and just plain old rain have fallen as part of a massive system that stretches from Texas, through the Rockies, and into New England. (Explore an interactive map of the United States.)

NASA satellites have been monitoring the storm's clouds and movement every 15 minutes, beaming back pictures of much of the U.S. blanketed in white.

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