F 9
placed on board all vessels provided with wireless installations; but this has not given the impetus which was anticipated.
Results of Weather Forecasts.-The results of comparison of the daily weather forecasts with the weather subsequently experienced are given below, with the results of the previous five years :-
Year. Complete Success. Partial Success. Partial Failure. Total Failure. 1920 64% 30% 5% 1% 1921 65% 30% 4% 1% 1922 67% 26% 6% 1% 1923 66% 30% 3% 1% 1924 71% 24% 4% 1% 1925 62% 34% 3% 1%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 Storm Signal Code are displayed on Kowloon Signal Hill.
The following Ports are warned by a telegraphic adaptation of the code:-Sharp Peak, Swatow, Amoy, Santuao, Macao, Canton, Wuchow, Phulien, Taihoku, Manila, Labuan, and Singapore. 94 storm warnings were sent in 1925. 119 were received from Manila and 61 from Zikawei, 8 were received from Phulien, via Quang Chau Wan Radio Station. The corresponding numbers in 1924 were 194, 186, 65 and 14, respectively.
At the request of the Director General of Indian Observatories arrangements were made with Eastern Extension Telegraph Co. to send warnings to Simla of any typhoon passing westward over Indo-China. Only one such warning was necessary during the year; namely, on November 11.
The Day Signals of the Local Code are displayed at the following stations:-
Royal Observatory
H. M. S. Tamar
Gough Hill
Standard Oil Co.,
Lai-Chi-Kok Harbour Office
Green Island
Hongkong and Kowloon, Wharf and Godown Co., Kowloon.
Field Officer's Quarters,
Lyemun.