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A winter storm that contributed to at least seven deaths in the Midwest pummeled the mid-Atlantic region for a second day Sunday, bringing with it an icy mix that knocked out power, cancelled flights, and contributed to hundreds of car accidents.

Virginia State Police said they responded to more than 300 traffic crashes and helped nearly 200 disabled vehicles in Virginia from midnight to late Sunday afternoon.

The storm knocked out power to nearly 200,000 people in Virginia and North Carolina at its height Sunday, according to PowerOutage.us.

Here is a plot showing snowfall amounts for the storm affecting the Mid Atlantic states, centered on the Washington DC area pic.twitter.com/6ddxETttQN — NWS WPC (@NWSWPC) January 14, 2019

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In North Carolina, Gov. Roy Cooper declared a state of emergency Sunday to help utility crews restore electricity more quickly after power lines fell because of freezing rain, ice and toppled trees. The state's western mountains and foothills were hardest-hit along with the western Piedmont region and nearly 1,000 state transportation workers were called out to clear ice and snow.

The National Weather Service reported nearly a half-inch of ice in some sections of western North Carolina, leading to fallen trees and power lines but other areas of the state got mostly a cold rain or freezing precipitation.

Meanwhile, the storm caused headaches for travelers into and out of airports in the region, including more than 250 flight cancellations Sunday at the three main airports serving the nation's capital. Washington's Dulles International Airport tweeted that the Federal Aviation Administration had implemented a ground stop there on Sunday evening, impacting both inbound and outbound flights.

The ongoing #winter storm in the Mid-Atlantic brought heavy #snow from Colorado to Delaware, with over 20 inches of snow recorded in Missouri. Find the latest storm summary from WPC here: https://t.co/2iFgBJVxfa pic.twitter.com/XEB6BvP8Gz — NWS WPC (@NWSWPC) January 14, 2019

For air travelers, the Dullest airport authority subsequently tweeted tips for flying on a snow day, including frequently checking for airline flight changes and packing "patience, a good dose of snow humor & a packet of hot chocolate."

By late Sunday afternoon, the Washington, D.C. metro area, northern Virginia and parts of Maryland had total snowfall accumulations ranging from five to eight inches. Central Virginia, including Richmond, had much smaller accumulations — as little as one inch — but the snow was followed by hours of sleet and freezing rain.

Time lapse photo of #snurlough at my townhouse near Stadium Armory metro in Southeast DC, beginning 5 PM Saturday through 10 PM Sunday. Measured about 9.5 inches total. Absolutely delighted! DC snow lovers can't ask for anything more! pic.twitter.com/tOq4BrgPaD — John Ten Hoeve (@John10Hoeve) January 14, 2019

Most public school systems in northern Virginia and Prince George's County schools in suburban Maryland said classes were cancelled Monday.

The storm also was affected parts of Maryland. In Baltimore, a man was fatally shot as he shoveled snow early Sunday morning. Police said a 43-year-old man was outside shoveling at 4:40 a.m. when an unidentified suspect shot him in the head and shoulder. The victim died at a hospital.

My first DC snowball fight | Highlights from the first snow day of 2019: (CC: @capitalweather & everyone who contributed to the fun) pic.twitter.com/zgHWN0VXpP — Jess (@jessicaxan) January 13, 2019

Meanwhile, Illinois was trying to dig out from under heavy snowfall in some areas.

Springfield's State Journal-Register reports the state capital broke a 55-year record for daily snowfall on Saturday. It cited the National Weather Service as saying the 8.4 inches of snow that day in Springfield broke the previous record for a Jan. 12 in 1964 of 6.6 inches. Some 11.5 inches of snow fell on Springfield over three days.