TROPICAL CYCLONE WARNING BULLETIN (SIGNAL NO. 10)


 

TROPICAL CYCLONE WARNING BULLETIN
 
HERE IS THE LATEST TROPICAL CYCLONE WARNING BULLETIN ISSUED
BY THE HONG KONG OBSERVATORY.
 
THE HURRICANE SIGNAL, NO. 10, WAS ISSUED AT 2:40 A.M.
 
THIS MEANS THAT WINDS WITH MEAN SPEEDS OF 118 KILOMETRES
PER HOUR OR MORE ARE EXPECTED.
 
AT 3 A.M., SUPER TYPHOON RAGASA WAS CENTRED ABOUT 130
KILOMETRES SOUTH-SOUTHEAST OF HONG KONG (NEAR 21.2 DEGREES
NORTH 114.6 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.

 

AS SUPER TYPHOON RAGASA EDGES TOWARDS HONG KONG, ITS
HURRICANE FORCE WINDS WILL BEGIN TO AFFECT HONG KONG.
RAGASA WILL BE CLOSEST TO HONG KONG THIS MORNING (24
SEPTEMBER), SKIRTING AROUND 100 KILOMETRES TO THE SOUTH OF
THE TERRITORY, POSING A CONSIDERABLE THREAT TO HONG KONG.
THE HURRICANE SIGNAL, NO. 10 WILL REMAIN IN FORCE FOR SOME
TIME. 
 
LOCAL WINDS WILL VEER GRADUALLY FROM NORTHERLIES TO EAST TO
SOUTHEASTERLIES THIS MORNING. AREAS WHICH WERE PREVIOUSLY
SHELTERED MAY BECOME EXPOSED. MEMBERS OF THE PUBLIC SHOULD
STAY ON HIGH ALERT. LOCAL WEATHER WILL BE PERSISTENTLY
ADVERSE TODAY WITH FREQUENT HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS. SEAS WILL BE PHENOMENAL WITH SWELLS. THERE
WILL BE 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 TODAY. 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
WAGLAN ISLAND, TATE'S CAIRN AND GREEN ISLAND WERE 120, 102
AND 96 KILOMETRES PER HOUR WITH MAXIMUM GUSTS EXCEEDING
143, 134 AND 136 KILOMETRES PER HOUR RESPECTIVELY.

 

(PRECAUTIONARY ANNOUNCEMENTS)
 
1. DO NOT GO OUTSIDE. IF YOU ARE REASONABLY PROTECTED, STAY
WHERE YOU ARE. DO NOT TOUCH ELECTRIC CABLES THAT HAVE BEEN
BLOWN LOOSE.
 
2. PEOPLE OUTDOORS SHOULD FIND A SAFE PLACE NOW AND REMAIN
THERE UNTIL THE DANGER IS OVER.
 
3. OWING TO STORM SURGE, SOME 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. STAY AWAY FROM EXPOSED WINDOWS AND DOORS BECAUSE GLASS,
ALREADY UNDER STRAIN FROM WIND PRESSURE, WILL SHATTER
EASILY IF HIT BY A FLYING OBJECT. MAKE SURE YOU HAVE A SAFE
PLACE TO SHELTER. YOU SHOULD ONLY FIX BROKEN WINDOWS AND
DOORS WHEN THERE IS NO DANGER IN DOING SO.
 
5. TROPICAL CYCLONE BROUGHT DIFFERENT DEGREES OF DAMAGES TO
HONG KONG. THERE MAY BE HIDDEN DANGER. MEMBERS OF THE
PUBLIC SHOULD REMAIN ON THE ALERT FOR ASSURANCE OF PERSONAL
SAFETY.
 
6. 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.

DISPATCHED BY HONG KONG OBSERVATORY AT 02:46 HKT ON 24.09.2025