WEATHER FORECASTING IN COMMUNIST CHINA

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00810A000500210002-1
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 14, 2016
• Document Release Date: May 29, 2001
• Sequence Number: 2
• Publication Date: March 19, 1953
• Content Type: REPORT

CENTRAL INT.E:LLUGE.NCE AGENCY
COUNTRY China
: DATE OF. INFO.
PLACE ACQUIRED
The Meteoro, ogical Bureau of the fevolutionary Military Council, the
Central Observatory of Peiping] and the ~Abaerv'atory of Ttuchinshan
(N.32-04, a 11,8-51) experimented with the method for about one. year w$th
the following result $.t
Central Observatory in Peip .ng,. This metb6d, involved.. the conso3~tdation of
reports on meteorological conditions from scattered points izr China.
Ccru a, issued a circular ceder: to )Meteorological bureaus Of'cthe jar
als iota art' areas inatru those bureaus. to ; adopt .the. forecast ng ieth d
ds re3.aped by.YA G Chien-ch'u (2799/70.0"#0k4.3), deputy director of the
#or to m id-Novem' er 1952 the :Chinese : Communist. R arlpluti nary I4t tart'
the forecasting of weather.cha rs for a 24-hour period, the tore.4
forecast was. 55 to 65 percent accurate.
In, M4 ' d.-November the cal ,ection of data and the preparation of repgrtB' on
metporological forecasting was being done jointly by the - tits? The
In the forecasting of weather changes, including temperature, rain
fall.:, and typhoon, for a period of from one month to . on.e year tie
Approved For Release 2001/11/21 : CIA-RDP80-0081OA000500210002-1
This Document contains information affecting the Na-
tional Defense of the United States, within: the mean-
ing of Title 18, Sections 793 and 794, of the U.S. Code, an
amended. Its transmission or revelation of its contents
to or receipt by an unauthorized person Is prohibited
by law. The reproduction of this form id prohibited.
8ZMZ ' f coNTEtoL .. U. S. OFFIC4LC ONLY
'Weather 'oreeasting. in. Communist China DATE DISTR.
came was to peroer t aaovxto A.
Tn.-the forecasting of weather changes for a three to ten-day period.,
the forecast Was 65tto.75 percent accurate,
inability of meteorological bureaus of the major military areas to con-
duct independent forecasting operations because of a shortage of personnel
Central observatory in Peiping, however, was the sole publisher Of these
report.
'he method developed by YANG Chien-ch'u Foame about as a remedy for the.
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NO. OF PAGES
25X1A
'X002 1953
2
REQUIREMENT NO. . RD
THE SOURCE EVALUATIONS IN THIS REPORT ARE DEFINITIVE.
THE APPRAISAL OF CONTENT IS TENTATIVE.
(FOR KEY SEE REVERSE)
SECURITY INFORMATION
 Approved For Release 2001/11/21 : CIA-RDP80-0081OA000500210002-1
SECRET/CONTROL = U. S. OFFICIALS ONLY
and. apparatus The meteorological bureaus of the major military areas
were to submit a report at the end of November 1952 on the extent of
adoption and use of the method.
25X1A omm a to . teroicgieal'organ tiat3 ,jin
I t`.- For : additional' 16 &Uc orirr co cer. jtt ' Chinese
SECRET/CONTROL - U. S. oFFIC S. ONLY
Approved For Release 2001/11/21 : CIA-RDP80-0081OA000500210002-1