The nation's capital was at a standstill Tuesday evening as snow continued falling at a rate of about an inch an hour — while commuters across the Northeast struggled to get home through blizzard-like conditions.
The wintry wallop brought as much as a foot of snow and another blast of arctic air, snarling traffic, closing schools and shutting down the federal government.
(Read more: Thousands of flights canceled (again) by snowstorm)
Initially forecast to be a modest blurt of cold weather, the system has intensified, unleashing wind-driven snow and frosty air on the Northeast Tuesday night into Wednesday.
In D.C., most offices of the government were shut down Tuesday — although the Supreme Court justices did show up for work — and officials were asking residents to stay off the roads.