PRESS WEATHER NO. 151 - HOURLY READINGS

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HOURLY READINGS

 

AT 9 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 25 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 93 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.

 

THERE IS EXCEPTIONALLY SEVERE RAINSTORM IN CENTRAL AND
WESTERN DISTRICT, AND SEVERE RAINSTORM IN CHEK LAP KOK OF
ISLANDS DISTRICT, KWAI TSING AND TUEN MUN DISTRICTS. IT MAY
CAUSE SERIOUS FLOODING. 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. HOURLY RAINFALL IS EXPECTED TO EXCEED OR HAS
EXCEEDED 140 MILLIMETRES OVER CENTRAL AND WESTERN DISTRICT,
WHILE HOURLY RAINFALL IS EXPECTED TO EXCEED OR HAS EXCEEDED
100 MILLIMETRES OVER CHEK LAP KOK OF ISLANDS DISTRICT, KWAI
TSING AND TUEN MUN DISTRICTS.
HEAVY RAIN MAY BRING ABOUT FLASH FLOODS. PEOPLE SHOULD STAY
AWAY FROM WATERCOURSES. DRIVERS SHOULD BEWARE THAT THERE
ARE LIKELY TO BE SERIOUS ROAD FLOODING AND TRAFFIC
CONGESTION.

VIOLENT GUSTS REACHING 90 KILOMETRES PER HOUR OR ABOVE MAY
CONTINUE TO AFFECT HONG KONG. MEMBERS OF PUBLIC SHOULD SEEK
SAFE SHELTER IMMEDIATELY.

 

PLEASE BE REMINDED THAT:

 

THE TROPICAL CYCLONE SIGNAL NO. 1 HAS BEEN ISSUED.
THE BLACK RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 10:30 A.M. TODAY. FREQUENT SEVERE SQUALLY
THUNDERSTORMS ARE EXPECTED TO OCCUR OVER HONG KONG.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

KING'S PARK                 24 DEGREES;
WONG CHUK HANG              24 DEGREES;
TA KWU LING                 27 DEGREES;
LAU FAU SHAN                24 DEGREES;
TAI PO                      26 DEGREES;
SHA TIN                     25 DEGREES;
TUEN MUN                    25 DEGREES;
TSEUNG KWAN O               24 DEGREES;
SAI KUNG                    26 DEGREES;
CHEUNG CHAU                 23 DEGREES;
CHEK LAP KOK                25 DEGREES;
TSING YI                    24 DEGREES;
SHEK KONG                   25 DEGREES;
TSUEN WAN HO KOON           24 DEGREES;
TSUEN WAN SHING MUN VALLEY  24 DEGREES;
HONG KONG PARK              25 DEGREES;
SHAU KEI WAN                24 DEGREES;
KOWLOON CITY                24 DEGREES;
HAPPY VALLEY                25 DEGREES;
WONG TAI SIN                25 DEGREES;
STANLEY                     24 DEGREES;
KWUN TONG                   24 DEGREES;
SHAM SHUI PO                24 DEGREES;
KAI TAK RUNWAY PARK         25 DEGREES;
YUEN LONG PARK              25 DEGREES;
TAI MEI TUK                 25 DEGREES.

 

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

 

 
ISLANDS DISTRICT               23 TO 123 MM;
CENTRAL & WESTERN DISTRICT     47 TO 100 MM;
TUEN MUN                        10 TO 81 MM;
SOUTHERN DISTRICT               33 TO 74 MM;
SHAM SHUI PO                    25 TO 47 MM;
TSUEN WAN                       10 TO 45 MM;
SAI KUNG                         3 TO 42 MM;
WAN CHAI                        22 TO 39 MM;
KWAI TSING                      20 TO 33 MM;
WONG TAI SIN                    12 TO 31 MM;
SHA TIN                          4 TO 30 MM;
YAU TSIM MONG                   23 TO 25 MM;
KOWLOON CITY                    18 TO 25 MM;
YUEN LONG                        0 TO 24 MM;
KWUN TONG                       15 TO 22 MM;
EASTERN DISTRICT                11 TO 20 MM;
TAI PO                           0 TO 19 MM;
NORTH DISTRICT                    0 TO 4 MM.

 

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

 

HERE IS THE INFORMATION ON TROPICAL STORM PODUL AT 9 A.M.:
LOCATION: 24.7 DEGREES NORTH, 114.8 DEGREES EAST; MAXIMUM
SUSTAINED WIND NEAR ITS CENTRE: 75 KM/H.

DISPATCHED BY HONG KONG OBSERVATORY AT 09:02 HKT ON 14.08.2025