HOURLY READINGS


 

AT 11 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 25 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 95 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 0.4. THE INTENSITY OF UV RADIATION WAS LOW.

 

LOCALISED HEAVY RAIN ADVISORY: RAIN IS PARTICULARLY HEAVY
IN ISLANDS DISTRICT, WITH MORE THAN 70 MILLIMETRES OF
HOURLY RAINFALL FALLEN OR EXPECTED TO FALL AND MAY CAUSE
SERIOUS FLOODING.

THE AREAS OF INTENSE THUNDERY SHOWERS NOW IN THE VICINITY
OF LANTAU ISLAND ARE MOVING SLOWLY TOWARDS NEW TERRITORIES
WEST. IN THE PAST HOUR, SHOWERS WERE HEAVIER OVER THE
WESTERN PART OF THE TERRITORY AND OVER 40 MILLIMETRES OF
RAINFALL WERE RECORDED OVER PARTS OF LANTAU ISLAND.
ACCORDING TO PRESENT INDICATIONS, WHETHER RED RAINSTORM
WARNING SIGNAL NEEDS TO BE ISSUED DEPENDS ON THE
DEVELOPMENT OF THE AREAS OF INTENSE THUNDERY SHOWERS.

 

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 AIR TEMPERATURES AT OTHER PLACES WERE:

 

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

 

BETWEEN 9:45 AND 10:45 A.M., LIGHTNING WAS DETECTED WITHIN
LANTAU. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
ISLANDS DISTRICT                 0 TO 54 MM;
TUEN MUN                         6 TO 22 MM;
SHA TIN                          4 TO 21 MM;
YUEN LONG                        3 TO 17 MM;
TAI PO                           0 TO 13 MM;
SAI KUNG                         0 TO 11 MM;
TSUEN WAN                        5 TO 11 MM;
NORTH DISTRICT                    3 TO 9 MM;
WONG TAI SIN                      8 TO 9 MM;
KOWLOON CITY                      5 TO 7 MM;
KWUN TONG                         4 TO 7 MM;
CENTRAL & WESTERN DISTRICT        0 TO 6 MM;
KWAI TSING                        4 TO 5 MM;
YAU TSIM MONG                     2 TO 5 MM;
SHAM SHUI PO                      3 TO 5 MM;
EASTERN DISTRICT                  1 TO 4 MM.

DISPATCHED BY HONG KONG OBSERVATORY AT 11:17 HKT ON 21.05.2024