THE HONG KONG GOVERNMENT GAZETTE, JANUARY 7, 1938.
9
ROYAL OBSERVATORY, HONG KONG.
No. 15.-Government Notification No. 933 of 1934, is cancelled and the following substituted.
LOCAL STORM SIGNAL CODE.
NIGHT SIGNALS
SIGNAL.
SYMBOL.
3 LIGHTS VERTICAL.
MEANING.
I
Black T
White
White
White
LA
*
Black horizontal bar
White
Green
A depression or typhoon exists which may possibly affect the locality.
Strong wind with squalls may possibly occur from SW.
White
* 3
Black inverted T
Green
White
Strong wind with squalls may
possibly occur from SE.
Green
4
Black diamond.
White
Typhoon dangerous, but danger
White
to locality not imminent.
Red
5
Black cone, point upward.
White
Green
Gale expected from the NW
(W-N).
Green
6
Black cone, point down-
ward.
Green
White
Gale expected from the SW
(S-W).
White
7
Two black cones, points
Green
upward.
Green
Gale expected from the NE
(N-E).
White
Two black cones, points
White
downward.
White
Gale expected from the SE
(S-E).
Green
† 9
Black hour glass
Green
Gale expected to increase.
Green
Green
10
Black cross
Red
Wind of typhoon force expected
Green Red
(any direction).
SIGNAL.
(*Not used in Hong Kong.
† Not used in Manila).
Supplementary Signals.
SYMBOL.
NIGHT SIGNALS 2 LIGHTS VERTICAL.
MEANING.
Red T
Red
Green
No. 1 hoisted in Hong Kong
harbour.
Red cone, point upward ...
Green
Nos. 5, 6, 7, 8, 9 or 10 hoisted
Green
in Hong Kong harbour.