Saturday, November 25, 2017

Ground and Sky Thermal Observations

I spent time this week visiting family. While away, I collected several thermal observations of the clouds.

On November 20th in Colby, KS, the ground temperature was 26 *F and the cirrus clouds has a temperature was -59 *F. Assuming a dry adiabatic lapse rate of 5.4 *F, the clouds were at a height of 15,700 feet.

In Casper, WY, the ground had a temperature of 55 *F and the clouds a temperature of -29 *F. That indicated a height of 15,600 feet.

In Manhattan, KS, the ground temperature was 37 *F and the cirrus clouds had a temperature of -14 *F. That indicates a cloud height of 9,400 feet.

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