Cold wave n. (Meteor.) In the terminology of the United States Weather Bureau, an unusual fall in temperature, to or below the freezing point, exceeding 16° in twenty-four hours or 20° in thirty-six hours, independent of the diurnal range.
... Poetry's lane to the house, was, "Well, I'll see you boys in the morning at school.... I'm going to ride over now and get the fire started. I let it go out over Saturday to save fuel.... But the weather report is for a cold wave tonight, so I think I'll get the fire going good, and it'll be cozy as a bug in a rug tomorrow morning when ... — Shenanigans at Sugar Creek • Paul Hutchens
... own orange groves will never forget the winter of '94-5. A bitter cold wave swept along the coast and killed such large numbers of orange trees as almost to cut Florida out of the orange market and to open the gate to California, who was eagerly offering her fruit. This same frost caught the migrating blue ... — The Meaning of Evolution • Samuel Christian Schmucker
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