NearSys Station was 100% overcast with stratus, altostratus I believe. The sun wasn't visible through the clouds, but it did create a brightened circle.
The thermal imager reported the ground temperature was 42 F and the cloud temperature was -5 F. The weather station reported the air temperature was 56 F and the dew point was 23 F. Assuming a dry adiabatic lapse rate of 5.4 degrees per 1,000 feet, the cloud height was between 6,100 and 8,700 feet.
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| Thermal image of the altostratus over NearSys Station. More detail is visible in long-wave infrared. |
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| Visible image of the same clouds |
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