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But if there is a layer of warm air between higher levels of the atmosphere and the surface (what is called a temperature inversion), that snow melts into rain.—Andrea Thompson, Scientific American, 26 Jan. 2026 During temperature inversions — when cool air is trapped close to the ground and held stagnant — pollutants are not able to disperse, according to IQAir.—Camila Pedrosa, Sacbee.com, 15 Jan. 2026 There are several reasons that explain the persistent gray during the winter months: frequent storm systems, a temperature inversion, moisture from Lake Michigan, and a weak winter sun.—David Yeomans, CBS News, 15 Jan. 2026 The radar blips were caused by a temperature inversion, the officials said – a hot, humid layer in the cool atmosphere that can bend radar waves and produce false returns.—Danya Gainor, CNN Money, 28 Dec. 2025 See All Example Sentences for temperature inversion