187984-1932-Non-Local-Storm-Signal-Code — Page 1

428

THE HONG KONG GOVERNMENT GAZETTE, JUNE 2, 1932.

ROYAL OBSERVATORY.

No. 357.-The adoption of the Non-Local Storm Signal Code in Government. Notification No. 766 of December 19th, 1930, has introduced no alteration of the signals. hoisted in this Colony, Shanghai or the Coast ports notified by Hong Kong or Shanghai. A simplified version of the Code is therefore published for local use and information.

May 31st, 1932.

C. W. JEFFRIES, Director, Royal Observatory.

Non-Local Storm Signal Code for Visual Storm Warnings exhibited in Hong Kong, Shanghai and Coast Ports.

The following ten symbols are used:--

indicating the figures

LT+A

1 2 3 3 4 5 6 7 8 9 0

(2) The signals are hoisted at the yard-arms and at the mast head of a Storm Signal Mast and have the following significance :-

Typhoon and depression Signals :-

(a) 4 symbols at one yard-arm showing the position of the centre.

(b) 3 symbols at the other yard-arm, showing the direction of motion or, alternatively, certain conditions; also the accuracy with which the centre has been located, and the intensity. (Table 1).

(e) 1 symbol at the mast head showing the time at which the centre was in the

position indicated (Table 2).

Gale Signals:-

(d) 1 symbol at one yard-arm showing the region threatened (Table 3).

(e) 2 symbols at the other yard-arm showing the general direction from which the gale is blowing, in points: 08 East, 16 South, 24 = West, 32 North.

(f) 1 symbol at the mast head showing the time at which the gale was as

stated.

(3) The two upper symbols of group (a) indicate by their corresponding numbers the latitude, and the two lower symbols the longitude, of the centre of a circle (of a radius specified by the lowest symbol of group (b)) within which the centre of the typhoon or depression lies. The symbols for longitude give the tens and units only; thus 32 indicates longitude 132°.

(4) The two upper symbols of group (b) indicate the direction in which the typhoon, etc. is travelling, or alternatively, certain conditions (Table 1).