TROPICAL CYCLONE WARNING BULLETIN (SIGNAL NO. 8)


 

TROPICAL CYCLONE WARNING BULLETIN
 
HERE IS THE LATEST TROPICAL CYCLONE WARNING BULLETIN ISSUED
BY THE HONG KONG OBSERVATORY.
 
THE NO. 8 NORTHWEST GALE OR STORM SIGNAL IS IN FORCE.
 
THIS MEANS THAT WINDS WITH MEAN SPEEDS OF 63 KILOMETRES PER
HOUR OR MORE ARE EXPECTED FROM THE NORTHWEST QUARTER.
 
AT MIDNIGHT, SUPER TYPHOON RAGASA WAS CENTRED ABOUT 190
KILOMETRES SOUTHEAST OF HONG KONG (NEAR 21.0 DEGREES NORTH
115.3 DEGREES EAST) AND IS FORECAST TO MOVE WEST-NORTHWEST
AT ABOUT 22 KILOMETRES PER HOUR EDGING CLOSER TO THE
VICINITY OF THE PEARL RIVER ESTUARY TO THE COAST OF WESTERN
GUANGDONG.

 

ACCORDING TO THE PRESENT FORECAST, SUPER TYPHOON RAGASA
WILL BE CLOSEST TO HONG KONG ON WEDNESDAY (24 SEPTEMBER)
MORNING, SKIRTING AROUND 100 KILOMETRES TO THE SOUTH OF THE
TERRITORY. ITS HURRICANE FORCE WINDS ARE EXPECTED TO EDGE
CLOSE TO HONG KONG GRADUALLY. LOCAL WINDS WILL STRENGTHEN
FURTHER OVERNIGHT. THE OBSERVATORY WILL CONSIDER ISSUING
THE INCREASING GALE OR STORM SIGNAL, NO. 9 BETWEEN 1 A.M.
AND 3 A.M. ON WEDNESDAY (24 SEPTEMBER). MEMBERS OF THE
PUBLIC PLEASE PAY CLOSE ATTENTION TO THE LATEST WEATHER
INFORMATION FROM THE OBSERVATORY AND COMPLETE ALL
PRECAUTIONARY MEASURES. 
 
RAGASA HAS AN EXTENSIVE CIRCULATION WITH FIERCE WINDS. THE
WEATHER IS EXPECTED TO DETERIORATE RAPIDLY OVERNIGHT. THE
WEATHER WILL BE PERSISTENTLY ADVERSE TOMORROW WITH FREQUENT
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS. SEAS WILL BE
PHENOMENAL WITH SWELLS AND OVERTOPPING WAVES OVER THE
SHORELINE, WHICH WILL BE PARTICULARLY SIGNIFICANT ALONG THE
EASTERN AND SOUTHERN COASTS. MEMBERS OF THE PUBLIC SHOULD
STAY AWAY FROM THE SHORELINE AND NOT ENGAGE IN WATER
SPORTS. 
 
UNDER THE INFLUENCE OF SIGNIFICANT STORM SURGE, THE RISE IN
WATER LEVEL CAN REACH AROUND 2 METRES OVER THE COAST OF
HONG KONG TOMORROW. THE WATER LEVEL WILL START TO RISE
AFTER AROUND 6 A.M. IN THE MORNING. IT WILL REACH THE
MAXIMUM LATER IN THE MORNING TO EARLY AFTERNOON, GENERALLY
TO AROUND 3.5 TO 4 METRES ABOVE CHART DATUM. THE WATER
LEVEL AT TOLO HARBOUR MAY EVEN REACH 4 TO 5 METRES ABOVE
CHART DATUM.

 

IN THE PAST HOUR, THE MAXIMUM SUSTAINED WINDS RECORDED AT
TATE'S CAIRN, WAGLAN ISLAND AND CHEUNG CHAU WERE 93, 83 AND
55 KILOMETRES PER HOUR WITH MAXIMUM GUSTS EXCEEDING 111,
101 AND 103 KILOMETRES PER HOUR RESPECTIVELY.

 

(PRECAUTIONARY ANNOUNCEMENTS WITH NO. 8 SIGNAL)
 
1. COMPLETE ALL PRECAUTIONS IN YOUR HOME. LOCK ALL WINDOWS
AND DOORS, INSERT REINFORCED SHUTTERS AND GATES IF THEY ARE
AVAILABLE. ADHESIVE TAPE FIXED TO LARGE WINDOW-PANES IN
EXPOSED POSITIONS WILL REDUCE DAMAGE AND INJURY BY BROKEN
GLASS. DRAINS SHOULD BE CLEARED OF LEAVES AND RUBBISH AS
SOON AS POSSIBLE.
 
2. DO NOT STAND NEAR WINDOWS ON THE EXPOSED SIDE OF YOUR
HOME. MAKE SURE YOU HAVE A SAFE PLACE TO SHELTER, SHOULD
WINDOWS BE BROKEN.
 
3. OWING TO STORM SURGE, LOW-LYING AREAS MAY HAVE SERIOUS
FLOODING OR BACKFLOW OF SEAWATER. YOU SHOULD AVOID GOING TO
LIKELY AFFECTED LOW-LYING AREAS AND STAY AWAY FROM
DANGEROUS PLACES.
 
4. FLIGHTS AT HONG KONG INTERNATIONAL AIRPORT MAY BE
AFFECTED BY THE WEATHER. PLEASE CONTACT YOUR AIRLINE FOR
THE LATEST FLIGHT INFORMATION BEFORE DEPARTING FOR THE
AIRPORT.
 
5. OWNERS OF NEON SIGNS SHOULD SWITCH OFF THE ELECTRICITY
SUPPLY TO THE SIGNS.
 
6. PLEASE LISTEN TO RADIO OR WATCH TV FOR THE LATEST
WEATHER INFORMATION BROADCAST. YOU CAN ALSO BROWSE THE HONG
KONG OBSERVATORY'S WEBSITE AND MOBILE APP FOR THE
INFORMATION.

DISPATCHED BY HONG KONG OBSERVATORY AT 23:45 HKT ON 23.09.2025