PRESS WEATHER NO. 147 - HOURLY READINGS

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HOURLY READINGS

 

AT NOON AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 26 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 86 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 1. THE INTENSITY OF UV RADIATION WAS LOW.

 

LOCALISED HEAVY RAIN ADVISORY: RAIN IS PARTICULARLY HEAVY
IN YUEN LONG DISTRICT AND TSUEN WAN DISTRICT WHICH MAY
CAUSE SERIOUS FLOODING. IN PARTICULAR, SEVERE RAINSTORM IS
AFFECTING YUEN LONG DISTRICT WITH MORE THAN 100 MILLIMETRES
OF HOURLY RAINFALL FALLEN OR EXPECTED TO FALL; HEAVY RAIN
IS AFFECTING TSUEN WAN DISTRICT WITH MORE THAN 70
MILLIMETRES OF HOURLY RAINFALL FALLEN OR EXPECTED TO FALL.

HEAVY SHOWERS AND SQUALLY THUNDERSTORMS ARE AFFECTING HONG
KONG. WHETHER THE RED RAINSTORM WARNING SIGNAL NEEDS TO BE
ISSUED DEPENDS ON THE DEVELOPMENT OF THE AREAS OF THUNDERY
SHOWERS. MEMBERS OF THE PUBLIC SHOULD STAY ALERT AND TAKE
NOTE OF THE LATEST WEATHER INFORMATION.

 

PLEASE BE REMINDED THAT:

 

THE AMBER RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 1:30 P.M. TODAY. A FEW THUNDERSTORMS ARE
EXPECTED TO OCCUR OVER HONG KONG.
THE SPECIAL ANNOUNCEMENT OF FLOODING IN NORTHERN NEW
TERRITORIES HAS BEEN ISSUED.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

KING'S PARK                 25 DEGREES;
WONG CHUK HANG              27 DEGREES;
TA KWU LING                 25 DEGREES;
LAU FAU SHAN                26 DEGREES;
TAI PO                      25 DEGREES;
SHA TIN                     25 DEGREES;
TUEN MUN                    27 DEGREES;
TSEUNG KWAN O               29 DEGREES;
SAI KUNG                    28 DEGREES;
CHEUNG CHAU                 28 DEGREES;
CHEK LAP KOK                28 DEGREES;
TSING YI                    25 DEGREES;
SHEK KONG                   24 DEGREES;
TSUEN WAN HO KOON           25 DEGREES;
TSUEN WAN SHING MUN VALLEY  25 DEGREES;
HONG KONG PARK              25 DEGREES;
SHAU KEI WAN                27 DEGREES;
KOWLOON CITY                24 DEGREES;
HAPPY VALLEY                26 DEGREES;
WONG TAI SIN                26 DEGREES;
STANLEY                     30 DEGREES;
KWUN TONG                   26 DEGREES;
SHAM SHUI PO                24 DEGREES;
KAI TAK RUNWAY PARK         27 DEGREES;
YUEN LONG PARK              26 DEGREES;
TAI MEI TUK                 26 DEGREES.

 

BETWEEN 10:45 AND 11:45 A.M., LIGHTNING WAS DETECTED OVER
ALL REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
TSUEN WAN                        6 TO 63 MM;
KWAI TSING                      29 TO 59 MM;
YUEN LONG                       16 TO 54 MM;
SHAM SHUI PO                    27 TO 47 MM;
NORTH DISTRICT                   0 TO 44 MM;
TAI PO                           0 TO 42 MM;
SHA TIN                          2 TO 26 MM;
CENTRAL & WESTERN DISTRICT       4 TO 19 MM;
YAU TSIM MONG                    7 TO 17 MM;
KOWLOON CITY                     0 TO 17 MM;
TUEN MUN                         2 TO 16 MM;
WAN CHAI                          1 TO 9 MM;
EASTERN DISTRICT                  0 TO 8 MM;
ISLANDS DISTRICT                  0 TO 5 MM;
SAI KUNG                          0 TO 3 MM;
SOUTHERN DISTRICT                 0 TO 3 MM;
WONG TAI SIN                      2 TO 3 MM;
KWUN TONG                         0 TO 1 MM.

 

12.7 MILLIMETRES OF RAINFALL WERE RECORDED AT THE HONG KONG
OBSERVATORY BETWEEN MIDNIGHT LAST NIGHT AND MIDDAY TODAY. 

 

HERE IS THE INFORMATION ON TROPICAL STORM WIPHA AT NOON:
LOCATION: 18.0 DEGREES NORTH, 123.3 DEGREES EAST.

DISPATCHED BY HONG KONG OBSERVATORY AT 12:02 HKT ON 18.07.2025