Results of Weather Forecasts.-The results of comparison of the daily weather forecasts with the weather subsequently experienced are given below, together with the results for the previous five years:-
Year. Complete Success. Partial Success. Partial Failure. Total Failure. Partial Success + Total Failure % 1925 62 34 26 4 4% 1926 72 31 1927 70 1928 66 1929 70 1930 65W NW N N We do
O O O O O O
The forecast comprises wind direction, wind force, and weather. Complete success means correct in three elements. Partial success means correct in only two elements. Partial failure means correct in only one element. Total failure means correct in no element.
The method of analysis is described in the 1918 Report.
Storm Warnings.-The symbols of the China Seas Non-local Storm Signal Code are displayed on Kowloon Signal Hill and on the roof of No. 49 Godown of the Hong Kong & Kowloon Wharf & Godown Co.
The following Ports are warned by a telegraphic adaptation of the code:-Shanghai, Sharp Peak, Swatow, Amoy, Santuao, Macao, Canton, Wuchow, Phu-lien, Taihoku, Manila, Labuan and Singapore. 111 storm warnings were sent in 1930. 113 were received from Manila, and 209 from Zikawei. The corresponding numbers in 1929 were 108, 178 and 261 respectively.
No occasion arose to warn the Central Weather Bureau Poona, of the passage of typhoons across Indo-China in westerly direction.
No alterations in the arrangements for the display and dissemination of local Storm Signals were made during the year.
F 10-
Results of Weather Forecasts.-The results of comparison of the daily weather forecasts with the weather subsequently experienced are given below, together with the results for the previous five years:-
Year.
Complete Success.
Partial Success. Failure. Failure.
Partial
Total
%
1925
62
1926
72
1927
70
1928
66
1929
70
1930
65
W NW N N We do
34
26
4
4
%
बोल
31
O O O O O O
The forecast comprises wind direction, wind force, and weather. Complete success means correct in three elements. Partial success means correct in only two elements. Partial failure ineans correct in only one element. Total failure means correct in no element.
The method of analysis is described in the 1918 Report.
Storm Warnings.-The symbols of the China Seas Non-local Storm Signal Code are displayed on Kowloon Signal Hill and on the roof of No. 49 Godown of the Hong Kong & Kowloon Wharf & Godown Co.
The following Ports are warned by a telegraphic adaptation of the code:-Shanghai, Sharp Peak, Swatow, Amoy, Santuao, Macao, Canton, Wuchow, Phu-lien, Taihoku, Manila, Labuan and Singapore. 111 storm warnings were sent in 1930. 113 were received from Manila, and 209 from Zikawei. The corresponding numbers in 1929 were 108, 178 and 261 respectively.
No occasion arose to warn the Central Weather Bureau Poona, of the passage of typhoons across Indo-China in westerly direction.
No alterations in the arrangements for the display and dissemination of local Storm Signals were made during the year.
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