An enormous storm is battering a vast swath of the US and Canada, knocking out power to more than 1.4 million homes and businesses, grounding thousands of flights and dashing hopes for delivery of last-minute holiday gifts.
Its speedy march across the continent is causing violent temperature swings. New York City was 55F (13C) at dawn. By 10 p.m., it’s forecast to be around 10.
Yesterday, it was a nice, warm 0C here in Ontario. Tonight, it'll feel like -26C thanks to the wind chill.