COMPARISON OF VFR PERCENTAGES IN SOUTHEAST ASIA.
Meteorological rept. (Final),
WEATHER WING (1ST) SAN FRANCISCO CALIF DETACHMENT 1
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VFR ceiling or 1500 feet and visibility or 3 miles percentages obtained from various sources are compared for major air bases in Southeast Asia. In general, previous estimates obtained primarily from N Summaries and 1st Weather Wing Special Summaries give significantly higher percentages below VFR than data obtained from hourly WBAN observations. Since up to four years of these WBAN observations are now available, the author recommends using them to modify previous estimates of VFR percentages. Author