noun
winter thunder; thunderstorm with a cold front
A meteorological term for thunder occurring in winter, often associated with cold fronts. Not an everyday word; more common in weather forecasts or specialized contexts.
今夜は寒雷に注意が必要です。
Be careful of winter thunder tonight.
寒雷は寒冷前線の通過時に発生しやすい。
Winter thunder tends to occur when a cold front passes.