Severe storms to hit large part of U.S. At least 23 U.S. states are under winter weather alerts, and a tornado watch has been issued for parts of the Southeast. 'From California to New York' »

Severe storms to hit large part of U.S. At least 23 U.S. states are under winter weather alerts, and a tornado watch has been issued for parts of the Southeast. 'From California to New York' »