HOURLY READINGS


 

AT 3 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 26 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 94 PER
CENT.

 

LOCALISED HEAVY RAIN ADVISORY: RAIN IS PARTICULARLY HEAVY
IN NORTH DISTRICT OF THE NEW TERRITORIES. 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 THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 7:00 A.M. TODAY. A FEW SQUALLY
THUNDERSTORMS ARE EXPECTED TO OCCUR OVER HONG KONG.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

KING'S PARK                 26 DEGREES;
WONG CHUK HANG              27 DEGREES;
TA KWU LING                 25 DEGREES;
LAU FAU SHAN                25 DEGREES;
TAI PO                      26 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                27 DEGREES;
KOWLOON CITY                26 DEGREES;
HAPPY VALLEY                27 DEGREES;
WONG TAI SIN                26 DEGREES;
STANLEY                     27 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 A.M., LIGHTNING WAS DETECTED WITHIN
NEW TERRITORIES EAST. THE RAINFALL RECORDED IN VARIOUS
REGIONS WERE:

 

 
NORTH DISTRICT                   0 TO 46 MM;
TAI PO                           1 TO 32 MM;
SAI KUNG                         0 TO 12 MM;
SHA TIN                          0 TO 11 MM;
KOWLOON CITY                     0 TO 10 MM;
YAU TSIM MONG                     1 TO 8 MM;
KWAI TSING                        0 TO 7 MM;
TSUEN WAN                         0 TO 7 MM;
SHAM SHUI PO                      4 TO 7 MM;
TUEN MUN                          0 TO 3 MM;
YUEN LONG                         0 TO 2 MM;
ISLANDS DISTRICT                  0 TO 1 MM;
WONG TAI SIN                      0 TO 1 MM.

DISPATCHED BY HONG KONG OBSERVATORY AT 03:32 HKT ON 21.09.2025