Five dead as huge winter storm grips swathe of US
Seven US states declared emergencies owing to the polar vortex of icy air that usually circles the North Pole.
Winter weather live updates: Freezing conditions put 31 million under cold alerts
The cold snap will continue for most into Wednesday.
How much snow fell from Monday’s storm in D.C. and how the storm unfolded
Monday’s winter storm brought 6 to 10 inches of snow to the D.C. metro area, with storm impacts felt from Virginia to Maryland. Read more on the snow totals.