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heavy snow; heavy snowfall
"major snow" solar term (approx. Dec. 7)
大雪で電車が運休になった。
Trains were suspended due to heavy snow.
記録的な大雪が北海道を襲った。
Record-breaking heavy snow hit Hokkaido.
大雪に備えて食料を買い込んでおく。
We stock up on food in preparation for heavy snow.