HOURLY READINGS


 

AT 9 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 25 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 97 PER
CENT.

 

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.

THE BLACK RAINSTORM WARNING SIGNAL WILL AT LEAST REMAIN IN
FORCE UNTIL 11 A.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.

THERE IS SEVERE RAINSTORM IN CENTRAL AND WESTERN DISTRICT
AND ISLANDS DISTRICT. IT MAY CAUSE SERIOUS FLOODING.
MEMBERS OF THE PUBLIC SHOULD STAY ON HIGH ALERT AND TAKE
NECESSARY PRECAUTIONS TO REDUCE THEIR EXPOSURE TO RISK
POSED BY THE HEAVY RAIN AND FLOODING. HOURLY RAINFALL IS
EXPECTED TO EXCEED OR HAS EXCEEDED 100 MILLIMETRES IN THE
ABOVE REGIONS.
HEAVY RAIN MAY BRING ABOUT FLASH FLOODS. PEOPLE SHOULD STAY
AWAY FROM WATERCOURSES. DRIVERS SHOULD BEWARE THAT THERE
ARE LIKELY TO BE SERIOUS ROAD FLOODING AND TRAFFIC
CONGESTION.

VIOLENT GUSTS REACHING 100 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 NOON 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                 25 DEGREES;
WONG CHUK HANG              25 DEGREES;
TA KWU LING                 25 DEGREES;
LAU FAU SHAN                25 DEGREES;
TAI PO                      25 DEGREES;
SHA TIN                     25 DEGREES;
TUEN MUN                    25 DEGREES;
TSEUNG KWAN O               25 DEGREES;
SAI KUNG                    25 DEGREES;
CHEUNG CHAU                 25 DEGREES;
CHEK LAP KOK                26 DEGREES;
TSING YI                    25 DEGREES;
SHEK KONG                   25 DEGREES;
TSUEN WAN HO KOON           24 DEGREES;
TSUEN WAN SHING MUN VALLEY  25 DEGREES;
HONG KONG PARK              25 DEGREES;
SHAU KEI WAN                25 DEGREES;
KOWLOON CITY                // DEGREES;
HAPPY VALLEY                25 DEGREES;
WONG TAI SIN                25 DEGREES;
STANLEY                     25 DEGREES;
KWUN TONG                   25 DEGREES;
SHAM SHUI PO                25 DEGREES;
KAI TAK RUNWAY PARK         25 DEGREES;
YUEN LONG PARK              25 DEGREES;
TAI MEI TUK                 24 DEGREES.

 

BETWEEN 7:45 AND 8:45 A.M., LIGHTNING WAS DETECTED OVER ALL
REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
ISLANDS DISTRICT                 6 TO 90 MM;
CENTRAL & WESTERN DISTRICT      44 TO 76 MM;
SOUTHERN DISTRICT                9 TO 61 MM;
WAN CHAI                        43 TO 59 MM;
YAU TSIM MONG                   45 TO 59 MM;
KOWLOON CITY                    29 TO 59 MM;
WONG TAI SIN                    40 TO 59 MM;
KWUN TONG                       51 TO 57 MM;
EASTERN DISTRICT                42 TO 56 MM;
SAI KUNG                         9 TO 53 MM;
TUEN MUN                        10 TO 39 MM;
TSUEN WAN                       10 TO 30 MM;
SHAM SHUI PO                    16 TO 25 MM;
KWAI TSING                      12 TO 23 MM;
SHA TIN                          8 TO 19 MM;
YUEN LONG                        1 TO 17 MM;
TAI PO                            3 TO 8 MM;
NORTH DISTRICT                    1 TO 7 MM.

 

BETWEEN MIDNIGHT AND 9 A.M. THE MINIMUM TEMPERATURE WAS
24.1 DEGREES CELSIUS AT THE HONG KONG OBSERVATORY.

DISPATCHED BY HONG KONG OBSERVATORY AT 09:17 HKT ON 05.08.2025