THE HONGKONG GOVERNMENT GAZETTE, MAY 31, 1907.
No. 373.
€85
OBSERVATORY,
WEATHER-FORECASTS AND STORM-WARNINGS ISSUED FROM THE HONGKONG OBSERVATORY.
METEOROLOGICAL SIGNALS.
Meteorological signals are hoisted on the mast beside the Time-ball at Kowloon Point for the information of masters of vessels leaving the port. They do not necessarily imply that bad weather is expected here :-
Signal
No.
Signal No.
1. A CONE
point upwards.
indicates a Typhoon to the North of the Colony,
A CONE point downwards.
indientes a Typhoon to the South of the Colony.
si
A CONE point upwards and DRUM
indicates a Typhoon to the
6.
A CONE
North-East
of the
point downwards
indicates a Typhoou to the South-West
of the
Colony.
below.
and BALL below.
Colony.
3.
A DRUM
indicates a Typhoon to the East of the Colony,
7.
A BALL
A CONE point downwards
and DRUM
indicates a Typhoon to the South-East Colony.
8.
of the
below.
A CONE point upwards and BALL below.
indicates a Typhoon to the West of the Colony,
indicates a Typhoon to the North-West of the
Colony.
Red Signals indicate that the centre is believed to be more than 330 miles away from the Colony. Black Siguals indicate that the centre is believed to be less than 300 miles away from the Colony,
The above signals will, as heretofore, be hoisted only when typhoons exist in such positions or are moving in such directions that information regarding them is considered to be of importance to the Colony or to shipping leaving the harbour. These signals are repeated at the Harbour Office, H.M.S. Tamar, Green Island Signal Mast, and the Flagstaff on the premises of the Hongkong and Kowloon Wharf and Godown Company at Kowloon.
Urgent Signal.
In addition to the above, when it is expected that the wind may increase to full typhoon force at any moment. the following Urgent Signal will be made at the Water Police Station, and repeated at the Harbour Ofice :--
THREE EXPLOSIVE BOMBS, AT INTERVALS OF TEN SECONDS.
A Black Cross will be hoisted at the same time, superior to the other shapes.
Night Signals.
The following Night Signals will be exhibited from the Flagstaff on the roof of the Water Police Station at Kowloon, the Harbour Office Flagstaff, and H.M.S. Tamar,
I. Three Lights Vertical, GREEN GREEN GREEN.
more than 30 miles from the Colony.
II. Three Lights Vertical, GREEN RED GREEN.
than 300 miles from the Colony.
III. Three Lights Vertical, RED GREEN RED.
typhoon force at any moment.
Indicates that a typhoon is believed to be situated
Indicates that a typhoon is believed to be situated less
Indicates that the wind may be expected to increase to full
No. III. Sigual will be accompanied by the Explosive Bombs, as above, in the event of the information conveyed by this signal being first published by night.
These Night Signals will be substituted for the Day Signals at sunset, and will, when necessary, be altered during the night.
Supplementary Warnings.
For the benefit of Native Craft and passing Ocean Vessels, a CONE will be exhibited at each of the following stations during the time that any of the above Day Signals are hoisted in the Harbour.
Gap Rock.
Waglan.
Stanley.
Cape Collinson,
Aberdeen.
Sai Kung.
Tai Po.
This will indicate that there is a depression somewhere in the China Sea, and that a Storm Warning is hoisted in the Harbour.
Further details can always be given to Ocean Vessels, on demand, by signal, from the lighthouses.
27th May, 1907.
W. DOBERCK,
Director.