reporting live in alexandria, i'm armando trull.. >> thanks a lot for that report. prewinter blizzard in the midwest delayed or cancelled 1,500 flights in chicago alone. as for reagan reports, the heavy snow collapsed the roof of the minnesota metro game forcing today's nfl game to be postponed and moved elsewhere. >> snow inside through the inflatable roof of the minnesota vikings stadium early sunday. and crashed on to the field. the roof couldn't hold the weight of 17 inches of snow that fell on minneapolis. workers spent the day clearing the roof, but the cleanup will likely take days. the nfl was forced to move the vikings giants game to monday night in another city, detroit. further east in chicago, teams cleared their field before the bears/patriots game. >> this is bear weather, so we're prepared. >> the blizzard blanketed the upper midwest. >> the arctic hound is howling and its bite is as bad out there. all the snow swirling around here. >> reporter: firefighters rushing to put out this fire in minneapolis got stuck in sno