Diurnal cycles of high absolute humidity at the earth's surface

Author / Creator

Salmela, Henry A

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Online

Summary

Previous studies of high humidities at the earth's surface are reviewed as an introduction for the purpose of formulating recommendations for absolute humidity extremes for MIL-STD-210B. Four typic...

Previous studies of high humidities at the earth's surface are reviewed as an introduction for the purpose of formulating recommendations for absolute humidity extremes for MIL-STD-210B. Four typical diurnal cycles of dew point and temperature for periods of extremely humid conditions are described. Hourly data from Abadan, Iran, were used as the basis for the 1 percent High Absolute Humidity Extreme for design operations. This cycle includes 24 hours of dew point equal to or greater than 84F, 7 hours of which are 88F. The recommended Withstanding High Absolute Humidity Extreme for MIL-STD-210B was based on data from the tropical coastline location, Belize, British Honduras. It is comprised of 30 days in which the dew point cycles between 79F and 83F.

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