HOURLY READINGS


 

AT 10 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 26 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 96 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 0.6. THE INTENSITY OF UV RADIATION WAS LOW.

 

WIDESPREAD HEAVY RAIN MAY AFFECT HONG KONG SHORTLY. MEMBERS
OF THE PUBLIC SHOULD BE ON THE ALERT.

 

PLEASE BE REMINDED THAT:

 

THE TROPICAL CYCLONE SIGNAL NO. 3 HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 1:00 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              27 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               26 DEGREES;
SAI KUNG                    26 DEGREES;
CHEUNG CHAU                 25 DEGREES;
CHEK LAP KOK                26 DEGREES;
TSING YI                    26 DEGREES;
SHEK KONG                   26 DEGREES;
TSUEN WAN HO KOON           25 DEGREES;
TSUEN WAN SHING MUN VALLEY  25 DEGREES;
HONG KONG PARK              26 DEGREES;
SHAU KEI WAN                26 DEGREES;
KOWLOON CITY                25 DEGREES;
HAPPY VALLEY                27 DEGREES;
WONG TAI SIN                26 DEGREES;
STANLEY                     27 DEGREES;
KWUN TONG                   26 DEGREES;
SHAM SHUI PO                26 DEGREES;
KAI TAK RUNWAY PARK         27 DEGREES;
YUEN LONG PARK              26 DEGREES;
TAI MEI TUK                 25 DEGREES.

 

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

 

 
TUEN MUN                        23 TO 56 MM;
TAI PO                           7 TO 38 MM;
ISLANDS DISTRICT                 0 TO 35 MM;
SAI KUNG                         2 TO 31 MM;
TSUEN WAN                        4 TO 31 MM;
NORTH DISTRICT                   0 TO 22 MM;
SHA TIN                          1 TO 17 MM;
YUEN LONG                        0 TO 14 MM;
CENTRAL & WESTERN DISTRICT        1 TO 6 MM;
KWAI TSING                        3 TO 5 MM;
WONG TAI SIN                      4 TO 5 MM;
SHAM SHUI PO                      3 TO 4 MM;
KOWLOON CITY                      1 TO 3 MM;
KWUN TONG                         2 TO 3 MM;
SOUTHERN DISTRICT                 0 TO 2 MM;
YAU TSIM MONG                     0 TO 2 MM.

 

HERE IS THE INFORMATION ON TYPHOON CEMPAKA:
LOCATION: 21.4 DEGREES NORTH, 112.5 DEGREES EAST; MAXIMUM
SUSTAINED WIND NEAR ITS CENTRE: 120 KM/H.

DISPATCHED BY HONG KONG OBSERVATORY AT 10:02 HKT ON 20.07.2021