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Cloud base calculator

Height of the cloud base from the temperature and dew point.

Cloud base calculator

Height of the cloud base from the temperature and dew point.

4,000 ft (1,220 m)
Cloud base above ground
10 °C
Temperature-dew point spread

The rule of thumb: the air cools about 2.5 °C per thousand feet toward the dew point, so the spread times 400 ft.

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