The northeastern US is digging out from a winter storm that dumped a foot or more of snow along the New York-to-Boston corridor, forcing the cancellation of schools in cities big and small and grounding thousands of flights. The storm came a day after temperatures soared to 17 Celsius (63F), giving millions of people a taste of spring. These photos, taken 24 hours apart, show what a difference a day makes. Move your mouse or finger over each image to compare the two images.

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A view of the Manhattan skyline from Brooklyn on 8 February 2017, and the same view a day later (Photos: Spencer Platt/Getty Images)
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Pedestrians and cyclists make their way across the Brooklyn Bridge on 8 February and 9 February 2017 (Photos: Drew Angerer/Getty Images)
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Buskers perform in Washington Square Park on 8 February, and people make their way through the snow in the park a day later (Photos: Drew Angerer/Getty Images)
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People pose next to the Charging Bull sculpture in the Financial District on 8 and 9 February 2017 (Photos: Drew Angerer/Getty Images)
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Pedestrians walk by the New York Stock Exchange (NYSE) in Manhattan on an unseasonably warm afternoon on 8 February, and on a snowy day 24 hours later (Photos: Spencer Platt/Getty Images)
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A man soaks up the sun on a park bench in Manhattan on 8 February. The same bench is covered in snow a day later (Photos: Spencer Platt/Getty Images)
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Cyclists ride along Brooklyn Bridge Park on 8 and 9 February 2017 (Photos: Drew Angerer/Getty Images)

A New York City doorman died while shovelling snow as he slipped and fell down a flight of stairs, crashing into a window that cut his neck, police reported.

Some areas experienced "thunder snow," violent bursts of weather featuring both snow and lightning. Nearly two-thirds of the flights into or out of the three major New York-area airports were cancelled, as were 69 per cent of those at Boston Logan International Airport, according to Flightaware.com. Nationwide, about 4,000 flights were cancelled and 5,700 delayed.

The storm's winds reached as far south as Virginia, where a truck driver died after his tractor-trailer was blown off the Chesapeake Bay Bridge-Tunnel, Tom Anderson, the facility's deputy director, said in a phone interview.

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