Winter storms hit U.S.

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    Linda Jones walks her daughters Sophie and Zoe to school as a blizzard dropped snow over Boulder, Colo., Wednesday Dec. 19, 2012. A storm that has dumped more than a foot of snow in the Rocky Mountains is heading east and is forecast to bring the first major winter storm of the season to the central plains and Midwest. (AP Photo/Brennan Linsley)

    A winter storm system that blew

    through Christmas Day with Gulf Coast tornadoes and snow in the nation's

    midsection headed for the Northeast, spreading blizzard conditions that slowed holiday travel all week. The death toll rose to six with car accidents on snow and highways.