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Question

When in winter the temperature decreases instantly by 6-8 degrees Celsius, it is termed as ________.


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Solution

Cold wave:

  1. A cold wave is a weather event in which there is a cooling of the air over a large area.
  2. It is seen when there is a movement of dense air near the surface of cold regions.

Final answer: When in winter the temperature decreases instantly by 6-8 degrees Celsius, it is termed a cold wave.


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