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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 at the weekend may also jolt the region with thunderclaps and lightning bolts.
This arresting winter phenomenon – known as “thundersnow” – occurs when thunder and lightning accompany heavy snowfall.
