Blaine Webb helps a SEPTA employee shovel out a bus from the snow March 14, 2017 in Spring City, Pennsylvania.
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How strong a blizzard's impact may be
Snow storms are often referred to as blizzards, but that's not accurate. CNN's Derek Van Dam explains which weather conditions must occur before a snow storm can be called a blizzard.
01:20 - Source: CNN
Winter weather 15 videos
Blaine Webb helps a SEPTA employee shovel out a bus from the snow March 14, 2017 in Spring City, Pennsylvania.
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How strong a blizzard's impact may be
01:20
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not do in snow 1
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What NOT to do in a snowstorm
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nor'easter explainer orig nws_00002211.jpg
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What is a nor'easter?
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bomb cyclon radar
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Just what exactly is a 'bomb cyclone'?
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Winter weather 1
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This is what subzero temperatures look like
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Braving winter travel_00005605.jpg
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Travel tips for winter weather
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In this photo taken on Sunday, Jan. 14, 2018, Anastasia Gruzdeva poses for selfie as the Temperature dropped to about -50 degrees (-58 degrees Fahrenheit) in Yakutsk, Russia. Temperatures in the remote, diamond-rich Russian region of Yakutia have dropped to near-record lows, plunging to -67 degrees Centigrade (-88.6 degrees Fahrenheit) in some areas. (sakhalife.ru photo via AP)
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It's so cold here that eyelashes are freezing
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title: duration: 00:00:00 site: author: published: intervention: yes description:
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It snowed in one of the world's hottest places
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Plane Nor'easter
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Plane aborts landing amid ferocious winds
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So just how cold is it?
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freezing rain sleet snow orig_00000810.jpg
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What's the difference between freezing rain and sleet?
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People walk through Times Square during a winter storm, February 9, 2017 in New York / AFP / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
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This is what thundersnow sounds like
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Is this storm really a blizzard?
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lake-effect snow orig_00000000.jpg
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What is lake-effect snow?
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Giant panda's heartwarming snow day
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