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What causes thundersnow, one of weather’s rarest spectacles, which could hit parts of eastern US
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A massive winter storm reached the US Atlantic Coast on Jan 25, bringing heavy snow and ice, straining electric grids and grounding thousands of flights.
PHOTO: ERIC LEE/NYTIMES
Camille Baker
NEW YORK– The major storm that swept ice, snow and sleet across the eastern United States
This arresting winter phenomenon – known as “thundersnow” – occurs when thunder and lightning accompany heavy snowfall.
