Sunday, April 15, 2018

Cloud Altitude Estimate for NearSys Station, 15 April 2018

According to the thermal imager, the stratus overcast at NearSys Station has a temperature of 11 degrees while the ground has a temperature of 42 degrees. According to the weather station, the air temperature is 66 degrees and the dew point is 36 degrees.

The temperature difference in the thermal imager data is 31 degrees and 30 degrees in the weather station data. Assuming a dry adiabatic lapse rate of 5.4 degrees per 1,000 feet, the cloud height is between 5,700 and 5,600 feet. That's a pretty good agreement.

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