1917

HONGKONG TYPHOON SIGNALS
A Cone point upwards indicates a typhoon to the north of the Colony.
A Cone point upwards and Drum below indicates a typhoon to the north-east of the Colony..
A Drum indicates a typhoon to the east of the Colony.
A Cone point downwards cmd Drum below indicates a typhoon to the south-east of the Colony.
A Cone point downwards indicates a typhoon to the south of the Colony.
A Cone point downwards and Ball below indicates a typhoon to the south-west of the Colony.
A Ball indicates a typhoon to the west of the Colony.
A Cone point upwards and Ball below indicates a typhoon to the north-west of the Colony.
Red Signals indicate that the centre is believed to be more than 300 miles away from the Colony.
Black Signals 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.
Night Signals
The following Night Signals wiil be exhibited from the Flagstaff on the roof of the Water Police-
Station at Kowloon, the Harbour Office Flagstaff, and H.M.8. Tamar.
I. Three LightsYertical, Green—Green—Green. Indicates that a typhoon is believed to be situated)
more thun 300 miles from the Colony.
II. Three Lights Vertical. Green—Red—Green. Indicates that a typhoon is believed to be situated)
less than 300 miles from the Colony.
III. Three Lights Vertical, Red—Green—Red. Indicates that the wind may be expected to increase-
to full typhoon force at any moment.
No. III. Signal will be accompanied by three Explosive Bombs, fired at intervals of ten seconds 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 Rung, 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.
Local Storm-Warnings
The Colony itself is warned of approaching typhoons by means of the Explosive Bombs which are-
fired whenever a strong gale of wind is expected to blow here.
The China Coast Code
From 1st January, 1906, signals according to the China Coast Code have been hoisted on the signal
mast on Signal Hill, Kowloon.