HOURLY READINGS


 

AT 10 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 26 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 95 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 0.1. THE INTENSITY OF UV RADIATION WAS LOW.

 

UNDER THE INFLUENCE OF AN AREA OF INTENSE THUNDERY SHOWERS
OVER A BROAD TROUGH OF LOW PRESSURE, SHOWERS ARE
PARTICULARLY HEAVY OVER EASTERN AND SOUTHERN DISTRICTS.
SEVERE RAINSTORM OF MORE THAN 100 MILLIMETRES OF HOURLY
RAINFALL HAS BEEN RECORDED. 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.

SPECIAL LANDSLIP ADVISORY: RAIN HAS BEEN PARTICULARLY HEAVY
IN EASTERN DISTRICT AND SOUTHERN DISTRICT; AND MAY CAUSE
LANDSLIDES. PAY SPECIAL ATTENTION TO LANDSLIDE RISK AND
STAY AWAY FROM SLOPES. IF LANDSLIDE OCCURS NEARBY, LEAVE
IMMEDIATELY AND CALL THE POLICE UNDER SAFE CONDITIONS.

 

PLEASE BE REMINDED THAT:

 

THE BLACK RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 12:30 P.M. TODAY. SQUALLY 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                 29 DEGREES;
LAU FAU SHAN                29 DEGREES;
TAI PO                      29 DEGREES;
SHA TIN                     27 DEGREES;
TUEN MUN                    29 DEGREES;
TSEUNG KWAN O               25 DEGREES;
SAI KUNG                    26 DEGREES;
CHEUNG CHAU                 27 DEGREES;
CHEK LAP KOK                30 DEGREES;
TSING YI                    27 DEGREES;
SHEK KONG                   29 DEGREES;
TSUEN WAN HO KOON           26 DEGREES;
TSUEN WAN SHING MUN VALLEY  27 DEGREES;
HONG KONG PARK              26 DEGREES;
SHAU KEI WAN                25 DEGREES;
KOWLOON CITY                25 DEGREES;
HAPPY VALLEY                26 DEGREES;
WONG TAI SIN                26 DEGREES;
STANLEY                     25 DEGREES;
KWUN TONG                   25 DEGREES;
SHAM SHUI PO                26 DEGREES;
KAI TAK RUNWAY PARK         25 DEGREES;
YUEN LONG PARK              29 DEGREES;
TAI MEI TUK                 27 DEGREES.

 

BETWEEN 8:45 AND 9:45 A.M., LIGHTNING WAS DETECTED OVER ALL
REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
ISLANDS DISTRICT                0 TO 116 MM;
SOUTHERN DISTRICT                6 TO 92 MM;
EASTERN DISTRICT                24 TO 74 MM;
SAI KUNG                         0 TO 64 MM;
WAN CHAI                        47 TO 61 MM;
KWUN TONG                       11 TO 29 MM;
CENTRAL & WESTERN DISTRICT       1 TO 28 MM;
WONG TAI SIN                     3 TO 18 MM;
KOWLOON CITY                     1 TO 12 MM;
YAU TSIM MONG                     3 TO 7 MM;
KWAI TSING                        0 TO 6 MM;
SHA TIN                           0 TO 6 MM;
TAI PO                            0 TO 6 MM;
SHAM SHUI PO                      3 TO 5 MM;
NORTH DISTRICT                    0 TO 2 MM;
TSUEN WAN                         0 TO 2 MM;
YUEN LONG                         0 TO 2 MM.

 

HERE IS THE INFORMATION ON TROPICAL STORM CO-MAY AT 10 A.M.:
LOCATION: 27.5 DEGREES NORTH, 124.6 DEGREES EAST.

DISPATCHED BY HONG KONG OBSERVATORY AT 10:53 HKT ON 29.07.2025