HOURLY READINGS


 

AT 9 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 0.0. 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 LAMMA ISLAND. 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.

 

PLEASE BE REMINDED THAT:

 

THE BLACK RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 10:30 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              25 DEGREES;
TA KWU LING                 28 DEGREES;
LAU FAU SHAN                28 DEGREES;
TAI PO                      30 DEGREES;
SHA TIN                     28 DEGREES;
TUEN MUN                    29 DEGREES;
TSEUNG KWAN O               25 DEGREES;
SAI KUNG                    28 DEGREES;
CHEUNG CHAU                 26 DEGREES;
CHEK LAP KOK                29 DEGREES;
TSING YI                    26 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                26 DEGREES;
HAPPY VALLEY                26 DEGREES;
WONG TAI SIN                26 DEGREES;
STANLEY                     25 DEGREES;
KWUN TONG                   25 DEGREES;
SHAM SHUI PO                27 DEGREES;
KAI TAK RUNWAY PARK         26 DEGREES;
YUEN LONG PARK              30 DEGREES;
TAI MEI TUK                 29 DEGREES.

 

BETWEEN 7:45 AND 8:45 A.M., LIGHTNING WAS DETECTED OVER ALL
REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
EASTERN DISTRICT                62 TO 94 MM;
KWUN TONG                       27 TO 75 MM;
ISLANDS DISTRICT                 0 TO 73 MM;
SAI KUNG                         0 TO 72 MM;
WAN CHAI                        47 TO 61 MM;
SOUTHERN DISTRICT               29 TO 58 MM;
YAU TSIM MONG                   24 TO 48 MM;
KOWLOON CITY                     7 TO 42 MM;
CENTRAL & WESTERN DISTRICT       8 TO 38 MM;
WONG TAI SIN                     5 TO 23 MM;
SHA TIN                          0 TO 10 MM;
KWAI TSING                        0 TO 7 MM;
SHAM SHUI PO                      2 TO 5 MM;
TSUEN WAN                         0 TO 4 MM;
NORTH DISTRICT                    0 TO 3 MM;
YUEN LONG                         0 TO 1 MM.

 

BETWEEN MIDNIGHT AND 9 A.M. THE MINIMUM TEMPERATURE WAS
26.4 DEGREES CELSIUS AT THE HONG KONG OBSERVATORY.

DISPATCHED BY HONG KONG OBSERVATORY AT 09:29 HKT ON 29.07.2025