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, IS IN FORCE.
 
THIS MEANS THAT WINDS WITH MEAN SPEEDS OF 118 KILOMETRES
PER HOUR OR MORE ARE EXPECTED.
 
AT 8 A.M., SUPER TYPHOON RAGASA WAS CENTRED ABOUT 120
KILOMETRES SOUTH-SOUTHWEST OF HONG KONG (NEAR 21.3 DEGREES
NORTH 113.7 DEGREES EAST) AND IS FORECAST TO MOVE WEST OR
WEST-NORTHWEST AT ABOUT 22 KILOMETRES PER HOUR EDGING
CLOSER TO THE VICINITY OF THE PEARL RIVER ESTUARY TO THE
COAST OF WESTERN GUANGDONG.

 

RAGASA IS SKIRTING AROUND 100 KILOMETRES TO THE SOUTH OF
HONG KONG. THE CIRCULATION OF RAGASA IS EXTENSIVE, ITS
HURRICANE FORCE WINDS ARE STILL EXPECTED TO AFFECT THE
SOUTHERN PART OF THE TERRITORY THIS MORNING. MEMBERS OF THE
PUBLIC SHOULD BE ON HIGH ALERT AND BEWARE OF DESTRUCTIVE
WINDS. THE HURRICANE SIGNAL, NO. 10 WILL REMAIN IN FORCE
FOR SOME TIME. 
 
LOCAL WINDS WILL VEER GRADUALLY FROM EASTERLIES TO
SOUTHEASTERLIES THIS MORNING. AREAS WHICH WERE PREVIOUSLY
SHELTERED MAY BECOME EXPOSED. 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, AROUND 2 TO
3 METRES OF RISE IN WATER LEVEL ARE EXPECTED OVER THE COAST
OF HONG KONG TODAY. THE WATER LEVEL WILL REACH THE MAXIMUM
AROUND NOON, GENERALLY TO AROUND 4 METRES ABOVE CHART
DATUM. THE WATER LEVEL AT TOLO HARBOUR MAY EVEN REACH
AROUND 5 METRES ABOVE CHART DATUM.

 

IN THE PAST HOUR, THE MAXIMUM SUSTAINED WINDS RECORDED AT
NGONG PING, WAGLAN ISLAND AND TATE'S CAIRN WERE 148, 134
AND 134 KILOMETRES PER HOUR WITH MAXIMUM GUSTS EXCEEDING
206, 157 AND 175 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 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 07:45 HKT ON 24.09.2025