Cumulus clouds over NearSys Station made me wonder how the temperature across them changed. So I recorded two thermal images using the Seek Reveal and detected a 12 degree difference between the coldest and warmest portions of the cloud.
The ground temperature was 20 degrees F while the warmest and supposedly lowest portion of the cloud was -7 degrees. Assuming a dry adiabatic lapse rate of 5.4 degrees per 1,000 feet, the cloud base was at an altitude of 5,000 feet. The highest point of the cloud was 2,200 feet higher.
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| Colder and presumably higher portion of a cumulus cloud |
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| The cloud's warmer ba |
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