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Brief Description of Warning Symbols

The following warnings are issued by the Hong Kong Observatory to the public:

Very Hot Weather Warning Very Hot Weather Warning Amber Rainstorm Warning Signal Amber Rainstorm Warning Signal
Red Rainstorm Warning Signal Red Rainstorm Warning Signal Black Rainstorm Warning Signal Black Rainstorm Warning Signal
Stand By Signal No. 1 Standby Signal No. 1 Strong Wind Signal No. 3 Strong Wind Signal No. 3
No. 8 Southeast Gale or Storm Signal  No. 8 Southeast Gale or Storm Signal No. 8 Southwest Gale or Storm Signal  No. 8 Southwest Gale or Storm Signal
No. 8 Northeast Gale or Storm Signal  No. 8 Northeast Gale or Storm Signal No. 8 Northwest Gale or Storm Signal  No. 8 Northwest Gale or Storm Signal
Increasing Gale or Storm Signal No. 9 Increasing Gale or Storm Signal No. 9 Hurricane Signal No. 10 Hurricane Signal No. 10
Thunderstorm Warning Thunderstorm Warning Special Announcement of Flooding in Northern New Territories Special Announcement of Flooding in Northern New Territories
Landslip Warning  Landslip Warning Cold Weather Warning Cold Weather Warning
Strong Monsoon Signal Strong Monsoon Signal Frost Warning  Frost Warning
Red Fire Danger Warning  Red Fire Danger Warning Yellow Fire Danger Warning  Yellow Fire Danger Warning
Tsunami Warning Tsunami Warning    
Last revision date: <21 Dec 2012>