A cold wave (known in some regions as a cold snap, cold spell, Arctic blast, or Arctic snap) is a weather phenomenon that is distinguished by a cooling of the air. Specifically, as used by the U.S. National Weather Service, a cold wave is a rapid fall in temperature within a 24-hour period requiring substantially increased protection to agriculture, industry, commerce, and social activities.
A cold wave (known in some regions as a cold snap, cold spell, Arctic blast, or Arctic snap) is a weather phenomenon that is distinguished by a cooling of the air. Specifically, as used by the U.S. National Weather Service, a cold wave is a rapid fall in temperature within a 24-hour period requiring substantially increased protection to agriculture, industry, commerce, and social activities.
Source: Wikipedia "Cold wave" · CC BY-SA 4.0
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