Winter storm to spread snow, ice and cold across US
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Thundersnow – a thunderstorm that produces snow instead of rain – is sometimes reported during winter storms in the U.S.
More than half of the United States is under some sort of winter weather watch or advisory, bringing frigid temperatures to the south of the country and heavy snow to the northeast.
A major winter storm was forecast to spread heavy snow, sleet and dangerous ice to tens of millions of Americans across two dozen states.
"Thundersnow" is rare, but could happen during heavy snow. Here's what it means.
New York Magazine on MSN
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