HOURLY READINGS


 

AT NOON AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 25 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 94 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 0.1. THE INTENSITY OF UV RADIATION WAS LOW.

 

THE LOCAL WEATHER IS ADVERSE. PERSISTENT RAINSTORM WILL
CAUSE SERIOUS ROAD FLOODING AND TRAFFIC CONGESTION. MEMBERS
OF THE PUBLIC ARE ADVISED TO TAKE SHELTER IN A SAFE PLACE.
HEAVY RAIN MAY BRING FLASH FLOODS, AND FLOODING MAY ALSO
OCCUR IN WATERCOURSES. MEMBERS OF THE PUBLIC SHOULD TAKE
NOTE OF THE LATEST WEATHER INFORMATION FROM THE
OBSERVATORY, AND LISTEN TO RADIO OR WATCH TELEVISION FOR
TRAFFIC CONDITIONS.

ACCORDING TO THE PRESENT ASSESSMENT, THE BLACK RAINSTORM
WARNING SIGNAL WILL REMAIN IN FORCE AT LEAST UNTIL 3 P.M.
AREAS OF INTENSE THUNDERY SHOWERS ASSOCIATED WITH ACTIVE
SOUTHWEST MONSOON AND UPPER-AIR DISTURBANCES CONTINUE TO
AFFECT HONG KONG AND THE VICINITY OF THE PEARL RIVER
ESTUARY. MEMBERS OF THE PUBLIC ARE ADVISED TO CONTINUE TO
SEEK SAFE SHELTER AND REMAIN THERE UNTIL HEAVY RAIN IS
OVER. WE WILL CONTINUE TO MONITOR THE WEATHER SITUATION,
AND MAKE ANNOUNCEMENT IN DUE COURSE TO ENABLE MEMBERS OF
THE PUBLIC TO MAKE ARRANGEMENTS AS SOON AS POSSIBLE. THE
EMERGENCY MONITORING AND SUPPORT CENTRE OF THE HKSAR
GOVERNMENT WILL CONTINUE TO MONITOR THE OVERALL SITUATION
IN HONG KONG WHEN THE BLACK RAINSTORM WARNING SIGNAL IS IN
FORCE.

VIOLENT GUSTS REACHING 90 KILOMETRES PER HOUR OR ABOVE MAY
AFFECT HONG KONG. MEMBERS OF PUBLIC SHOULD SEEK SAFE
SHELTER IMMEDIATELY.

 

PLEASE BE REMINDED THAT:

 

THE BLACK RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 4:00 P.M. TODAY. SEVERE SQUALLY
THUNDERSTORMS ARE EXPECTED TO OCCUR OVER HONG KONG.
THE LANDSLIP WARNING HAS BEEN ISSUED.
THE SPECIAL ANNOUNCEMENT OF FLOODING IN NORTHERN NEW
TERRITORIES HAS BEEN ISSUED.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

KING'S PARK                 24 DEGREES;
WONG CHUK HANG              25 DEGREES;
TA KWU LING                 24 DEGREES;
LAU FAU SHAN                24 DEGREES;
TAI PO                      24 DEGREES;
SHA TIN                     24 DEGREES;
TUEN MUN                    25 DEGREES;
TSEUNG KWAN O               24 DEGREES;
SAI KUNG                    25 DEGREES;
CHEUNG CHAU                 // DEGREES;
CHEK LAP KOK                27 DEGREES;
TSING YI                    24 DEGREES;
SHEK KONG                   24 DEGREES;
TSUEN WAN HO KOON           24 DEGREES;
TSUEN WAN SHING MUN VALLEY  24 DEGREES;
HONG KONG PARK              25 DEGREES;
SHAU KEI WAN                25 DEGREES;
KOWLOON CITY                // DEGREES;
HAPPY VALLEY                25 DEGREES;
WONG TAI SIN                24 DEGREES;
STANLEY                     24 DEGREES;
KWUN TONG                   24 DEGREES;
SHAM SHUI PO                24 DEGREES;
KAI TAK RUNWAY PARK         25 DEGREES;
YUEN LONG PARK              25 DEGREES;
TAI MEI TUK                 24 DEGREES.

 

BETWEEN 10:45 AND 11:45 A.M., LIGHTNING WAS DETECTED OVER
ALL REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
WAN CHAI                        24 TO 37 MM;
ISLANDS DISTRICT                 2 TO 30 MM;
SAI KUNG                         5 TO 29 MM;
SOUTHERN DISTRICT                8 TO 29 MM;
CENTRAL & WESTERN DISTRICT       6 TO 27 MM;
EASTERN DISTRICT                18 TO 27 MM;
KWUN TONG                        9 TO 26 MM;
KOWLOON CITY                     5 TO 16 MM;
YAU TSIM MONG                    7 TO 10 MM;
TAI PO                            1 TO 8 MM;
WONG TAI SIN                      7 TO 8 MM;
NORTH DISTRICT                    2 TO 5 MM;
SHAM SHUI PO                      4 TO 5 MM;
KWAI TSING                        2 TO 4 MM;
TSUEN WAN                         2 TO 4 MM;
TUEN MUN                          3 TO 4 MM;
SHA TIN                           2 TO 3 MM;
YUEN LONG                         2 TO 3 MM.

 

327.1 MILLIMETRES OF RAINFALL WERE RECORDED AT THE HONG
KONG OBSERVATORY BETWEEN MIDNIGHT LAST NIGHT AND MIDDAY
TODAY. 

DISPATCHED BY HONG KONG OBSERVATORY AT 12:03 HKT ON 05.08.2025