EVALUATION OF THE USE OF ATMOSPHERIC-ELECTRICITY RECORDINGS IN FOG FORECASTING.
NAVAL RESEARCH LAB WASHINGTON D C
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Atmospheric electric and meteorological data from four stations were analyzed to determine the accuracy of fog forecasts made using atmospheric electrical recordings. A tabulation indicating the successes and failures in forecasting both fog and no-fog conditions shows success percentages ranging from 86 to 92 percent. These success percentages illustrate the assertion that the use of electrical recordings will effect a material improvement in the accuracy of forecasting. A theoretical discussion leads to the development of a possible physical mechanism for the phenomenon which is consistent with available information. Consideration of human and instrumental factors leads to a decision that a total-conductivity meter using a vibrating-capacitor electrometer and with suppressed-zero checks is the instrument most usable in regular forecasting use. Author