Signal Number |
Signal Name |
Sustained Wind
Speed (km/h) |
Gusts (km/h) |
Signal Sign |
Remarks |
|
1 |
Stand-by |
N/A |
N/A |
 |
A tropical cyclone is centred within 800 kilometres of Hong Kong and may later affect the territory, or there are strong winds in Hong Kong waters |
|
3 |
Strong winds |
41 - 62 (Beaufort Force
6-7) |
may exceed 110 |
 |
Strong winds are expected or blowing generally in Hong Kong near the sea level, and the wind conditon is expected to persist |
|
8 NW |
Gale or storm force winds |
63 - 117 (Beaufort Force 8-11) |
may exceed 180 |
 |
Gale or storm force winds are expected or blowing generally in Hong Kong near the sea level from the NW quadrant, and the wind coniditon is expected to persist |
|
8 NE |
 |
Gale or storm force winds are expected or blowing generally in Hong Kong near the sea level from the NE quadrant, and the wind coniditon is expected to persist | |||
|
8 SE |
 |
Gale or storm force winds are expected or blowing generally in Hong Kong near the sea level from the SE quadrant, and the wind coniditon is expected to persist | |||
|
8 SW |
 |
Gale or storm force winds are expected or blowing generally in Hong Kong near the sea level from the SW quadrant, and the wind coniditon is expected to persist | |||
|
9 |
Increasing gale or storm force winds |
88 - 117, increasing (Beaufort Force 10-11) |
N/A |
 |
Gale or storm force winds are increasing. |
|
10 |
Hurricane |
>118 (Beaufort Force 12) |
may exceed 220 |
 |
Hurricane force winds. Eye of typhoon may be passing directly over Hong Kong. |
Source Wikipedia.