HOURLY READINGS


 

AT 3 P.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 26 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 94 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 0.7. THE INTENSITY OF UV RADIATION WAS LOW.

 

LOCALISED HEAVY RAIN ADVISORY: RAIN IS PARTICULARLY HEAVY
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.

 

PLEASE BE REMINDED THAT:

 

THE AMBER RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 5:30 P.M. TODAY. ISOLATED THUNDERSTORMS ARE
EXPECTED TO OCCUR OVER HONG KONG.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

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

 

BETWEEN 1:45 AND 2:45 P.M., LIGHTNING WAS DETECTED WITHIN 
NEW TERRITORIES EAST, NEW TERRITORIES WEST AND LANTAU. THE
RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
TAI PO                           0 TO 32 MM;
SHA TIN                          0 TO 30 MM;
SAI KUNG                         0 TO 24 MM;
NORTH DISTRICT                   5 TO 23 MM;
CENTRAL & WESTERN DISTRICT       5 TO 17 MM;
YUEN LONG                        0 TO 15 MM;
TSUEN WAN                        3 TO 14 MM;
KWAI TSING                       2 TO 13 MM;
SOUTHERN DISTRICT                1 TO 12 MM;
WAN CHAI                         4 TO 10 MM;
ISLANDS DISTRICT                  0 TO 9 MM;
YAU TSIM MONG                     2 TO 4 MM;
KOWLOON CITY                      0 TO 4 MM;
SHAM SHUI PO                      1 TO 3 MM;
WONG TAI SIN                      1 TO 3 MM;
TUEN MUN                          0 TO 2 MM;
KWUN TONG                         0 TO 2 MM;
EASTERN DISTRICT                  0 TO 1 MM.

DISPATCHED BY HONG KONG OBSERVATORY AT 15:31 HKT ON 21.09.2025