This NOAA satellite image taken Saturday, Jan. 22, 2011 at 1:45 a.m. EST shows clouds over the Tennessee Valley and Ohio Valley associated a few areas of snow. Cold air is entrenched over the ... more 
This NOAA satellite image taken Saturday, Jan. 22, 2011 at 1:45 a.m. EST shows clouds over the Tennessee Valley and Ohio Valley associated a few areas of snow. Cold air is entrenched over the Northeast and Upper Midwest as subzero temperatures are likely into the morning. (AP PHOTO/WEATHER UNDERGROUND) less 
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Associated Press
Sat, Jan 22, 2011 3:27 AM EST