Friday, January 5, 2018

Ground and Sky Thermal Observation for NearSys Station, 5 January 2018

A thermal measurement of the ground and sky was made at 9:15 AM MST. Most interesting was not the height of the cloud bsse, but the variation in the cloud height.

The warmest, lowest portion of the clouds had a temperature of 7 degrees F. The coolest, higher portion of the clouds had a temperature of 0 degrees F.

Assuming a dry adiabatic lapse rate of 5.4 degrees per thousand feet, the variation in the cloud height was 1,300 feet.

NearSys Station is covered in stratocumulus. The inversion is inally being cleared out of the valley.

A higher altitude region between cumulus cloud puffs.

The bottom surface of a cumulus cloud.

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