PRESS WEATHER NO. 109 - HOURLY READINGS

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HOURLY READINGS

 

AT 7 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 24 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 96 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.

UNDER THE INFLUENCE OF AN ACTIVE SOUTHWEST MONSOON AND
UPPER-AIR DISTURBANCES, AREAS OF INTENSE THUNDERY SHOWERS
CONTINUE TO DEVELOP OVER THE VICINITY OF THE PEARL RIVER
ESTUARY. ACCORDING TO THE LATEST ASSESSMENT, THE BLACK
RAINSTORM WARNING SIGNAL WILL AT LEAST REMAIN IN FORCE
UNTIL 9 A.M.

THERE IS SEVERE RAINSTORM IN NORTH DISTRICT, TSUEN WAN AND
TAI PO DISTRICTS. 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 9:00 A.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              24 DEGREES;
TA KWU LING                 24 DEGREES;
LAU FAU SHAN                24 DEGREES;
TAI PO                      25 DEGREES;
SHA TIN                     24 DEGREES;
TUEN MUN                    24 DEGREES;
TSEUNG KWAN O               24 DEGREES;
SAI KUNG                    25 DEGREES;
CHEUNG CHAU                 24 DEGREES;
CHEK LAP KOK                25 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              24 DEGREES;
SHAU KEI WAN                24 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         24 DEGREES;
YUEN LONG PARK              24 DEGREES;
TAI MEI TUK                 24 DEGREES.

 

BETWEEN 5:45 AND 6:45 A.M., LIGHTNING WAS DETECTED OVER ALL
REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
ISLANDS DISTRICT                 4 TO 84 MM;
TAI PO                          48 TO 77 MM;
SHAM SHUI PO                    62 TO 73 MM;
KWAI TSING                      60 TO 68 MM;
TSUEN WAN                       34 TO 67 MM;
SAI KUNG                        24 TO 63 MM;
SHA TIN                         38 TO 62 MM;
CENTRAL & WESTERN DISTRICT      42 TO 59 MM;
YUEN LONG                       21 TO 53 MM;
WAN CHAI                        38 TO 52 MM;
KOWLOON CITY                    36 TO 52 MM;
YAU TSIM MONG                   37 TO 49 MM;
WONG TAI SIN                    44 TO 48 MM;
SOUTHERN DISTRICT               19 TO 43 MM;
KWUN TONG                       30 TO 43 MM;
EASTERN DISTRICT                23 TO 42 MM;
NORTH DISTRICT                   7 TO 42 MM;
TUEN MUN                        17 TO 31 MM.

DISPATCHED BY HONG KONG OBSERVATORY AT 07:02 HKT ON 05.08.2025