- F 9 -
It will be seen that the number of British ships sending these messages increased from 992 in 1928 to 1004 in 1929. The number of ships of other nationalities increased from 588 to 748.
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 of the previous five years:-
Year Complete Success Partial Success Partial Failure Total Failure 1924 71 24 4 1 1925 62 26 ... ... 1926 72 ... ... ... 1927 66 31 ... ... 1928 70 28 ... ... 1929 ... ... ... ...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 and 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. 108 storm warnings were sent in 1929. 178 were received from Manila, and 261 from Zikawei. The corresponding numbers in 1928 were 103, 187 and 144 respectively.
The Central Weather Bureau, Poona, was warned on September 6 and 20 and December 11, of the passage of typhoons across Indo-China in a westerly direction.
No alterations in the arrangements for the display and dissemination of local Storm Signals were made during the year.