HOURLY READINGS


 

AT 5 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 29 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 84 PER
CENT.

 

LOCALISED HEAVY RAIN ADVISORY: RAIN IS PARTICULARLY HEAVY
IN TAP MUN AND TUNG PING CHAU IN TAI PO DISTRICT. IT MAY
CAUSE SERIOUS FLOODING. RESIDENTS WHO ARE LIKELY TO BE
AFFECTED ARE ADVISED TO TAKE NECESSARY PRECAUTIONS TO AVOID
POSSIBLE FLOOD DAMAGE. HEAVY RAIN OF MORE THAN 70
MILLIMETRES OF HOURLY RAINFALL HAS FALLEN OR IS EXPECTED TO
FALL IN THE ABOVE REGIONS.

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.

AREAS OF INTENSE THUNDERY SHOWERS ASSOCIATED WITH AN ACTIVE
SOUTHWEST MONSOON AND UPPER-AIR DISTURBANCES ARE AFFECTING
HONG KONG. WHETHER THE RED RAINSTORM WARNING SIGNAL NEEDS
TO BE ISSUED DEPENDS ON THE DEVELOPMENT OF THE AREAS OF
THUNDERY SHOWERS. MEMBERS OF THE PUBLIC SHOULD STAY ALERT
AND CONTINUE TO BE AWARE OF THE CHANGE IN WEATHER.

 

PLEASE BE REMINDED THAT:

 

THE AMBER RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 6:00 A.M. TODAY. SQUALLY THUNDERSTORMS ARE
EXPECTED TO OCCUR OVER HONG KONG.
THE LANDSLIP WARNING HAS BEEN ISSUED.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

KING'S PARK                 28 DEGREES;
WONG CHUK HANG              28 DEGREES;
TA KWU LING                 25 DEGREES;
LAU FAU SHAN                26 DEGREES;
TAI PO                      26 DEGREES;
SHA TIN                     27 DEGREES;
TUEN MUN                    28 DEGREES;
TSEUNG KWAN O               28 DEGREES;
SAI KUNG                    28 DEGREES;
CHEUNG CHAU                 27 DEGREES;
CHEK LAP KOK                29 DEGREES;
TSING YI                    28 DEGREES;
SHEK KONG                   26 DEGREES;
TSUEN WAN HO KOON           27 DEGREES;
TSUEN WAN SHING MUN VALLEY  27 DEGREES;
HONG KONG PARK              28 DEGREES;
SHAU KEI WAN                29 DEGREES;
KOWLOON CITY                // DEGREES;
HAPPY VALLEY                29 DEGREES;
WONG TAI SIN                28 DEGREES;
STANLEY                     28 DEGREES;
KWUN TONG                   28 DEGREES;
SHAM SHUI PO                28 DEGREES;
KAI TAK RUNWAY PARK         29 DEGREES;
YUEN LONG PARK              27 DEGREES;
TAI MEI TUK                 26 DEGREES.

 

BETWEEN 3:45 AND 4:45 A.M., LIGHTNING WAS DETECTED OVER ALL
REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
TAI PO                           8 TO 79 MM;
NORTH DISTRICT                   0 TO 25 MM;
TSUEN WAN                        1 TO 23 MM;
KWAI TSING                      11 TO 22 MM;
YUEN LONG                        0 TO 20 MM;
SAI KUNG                         0 TO 18 MM;
SHA TIN                          7 TO 18 MM;
TUEN MUN                         0 TO 11 MM;
SHAM SHUI PO                      3 TO 8 MM;
KOWLOON CITY                      0 TO 4 MM;
ISLANDS DISTRICT                  0 TO 2 MM;
KWUN TONG                         0 TO 2 MM;
WONG TAI SIN                      0 TO 1 MM.

DISPATCHED BY HONG KONG OBSERVATORY AT 05:02 HKT ON 05.08.2025