Accession Number : AD0703326

Title :   APRIL CLIMATE OF SOUTHEAST ASIA.

Descriptive Note : Final climatological study (rev).

Corporate Author : WEATHER WING (1ST) APO SAN FRANCISCO 96553

Report Date : MAR 1970

Pagination or Media Count : 67

Abstract : The report deals with the climate of North Vietnam, Republic of Vietnam, Laos, Cambodia, and Thailand for April. Essentially based on previously available data, however precipitation analyses, ceiling/visibility, and upper air flow are new. Contains brief notes on the climate of Southeast Asia and the geographical features of the Republic of Vietnam, North Vietnam, Cambodia, Laos, and Thailand. Discusses the precipitation, thunderstorms, cloudiness, visibility and obstructions to vision, combined ceiling/visibility, temperature, relative humidity, surface and upper winds, miscellaneous phenomena and sea operations. For selected stations tabular data on fog days, percent frequency visibility 1 mile and 5 miles (7 and 16 LST) are given also. Mean streamline charts (1:37,500,000) are given for 2000 ft, 850mb, 700mb, 500mb, 300mb, and 200mb levels. Also included are charts of mean position of polar front and ICZ (1:17,000,000) typhoon tracks (1:10,000,000) sea surface currents, temperatures, frequency of breakers, sea swell (1:10,000,000). Monthly sunrise, sunset, morning and evening twilight data are presented for Saigon with method for adapting to other stations. (Author)

Descriptors :   (*AIR FORCE OPERATIONS, SOUTHEAST ASIA), (*CLIMATE, PERIODIC VARIATIONS), ATMOSPHERIC PRECIPITATION, THUNDERSTORMS, CLOUD COVER, VISIBILITY, CEILING, ATMOSPHERIC TEMPERATURE, HUMIDITY, WIND, UPPER ATMOSPHERE, SEA BREEZE, HAZE, TROPICAL CYCLONES, VIETNAM, LAOS, CAMBODIA, THAILAND

Subject Categories : Meteorology

Distribution Statement : APPROVED FOR PUBLIC RELEASE