HOURLY READINGS


 

AT 2 P.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 25 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 97 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 SAI KUNG DISTRICT, WITH MORE THAN 70 MILLIMETRES OF
HOURLY RAINFALL FALLEN OR EXPECTED TO FALL AND MAY CAUSE
SERIOUS FLOODING.

 

PLEASE BE REMINDED THAT:

 

THE TROPICAL CYCLONE SIGNAL NO. 1 HAS BEEN ISSUED.
THE AMBER RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 3:00 P.M. TODAY. SQUALLY 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              26 DEGREES;
TA KWU LING                 25 DEGREES;
LAU FAU SHAN                24 DEGREES;
TAI PO                      24 DEGREES;
SHA TIN                     25 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                   24 DEGREES;
TSUEN WAN HO KOON           24 DEGREES;
TSUEN WAN SHING MUN VALLEY  24 DEGREES;
HONG KONG PARK              25 DEGREES;
SHAU KEI WAN                25 DEGREES;
KOWLOON CITY                24 DEGREES;
HAPPY VALLEY                26 DEGREES;
WONG TAI SIN                25 DEGREES;
STANLEY                     25 DEGREES;
KWUN TONG                   25 DEGREES;
SHAM SHUI PO                25 DEGREES;
KAI TAK RUNWAY PARK         25 DEGREES;
YUEN LONG PARK              25 DEGREES;
TAI MEI TUK                 24 DEGREES.

 

BETWEEN 12:45 AND 1:45 P.M., LIGHTNING WAS DETECTED WITHIN
NEW TERRITORIES EAST, HONG KONG AND KOWLOON. THE RAINFALL
RECORDED IN VARIOUS REGIONS WERE:

 

 
SAI KUNG                         4 TO 77 MM;
ISLANDS DISTRICT                 0 TO 36 MM;
TAI PO                           0 TO 31 MM;
SHAM SHUI PO                    20 TO 31 MM;
TSUEN WAN                        4 TO 30 MM;
KWAI TSING                      13 TO 29 MM;
SHA TIN                          4 TO 29 MM;
CENTRAL & WESTERN DISTRICT       4 TO 26 MM;
YAU TSIM MONG                   17 TO 25 MM;
NORTH DISTRICT                   0 TO 22 MM;
SOUTHERN DISTRICT                3 TO 20 MM;
WAN CHAI                        15 TO 20 MM;
KOWLOON CITY                     3 TO 18 MM;
YUEN LONG                        1 TO 17 MM;
TUEN MUN                         2 TO 14 MM;
EASTERN DISTRICT                  1 TO 8 MM;
WONG TAI SIN                           4 MM;
KWUN TONG                         3 TO 4 MM.

 

HERE IS THE INFORMATION ON TYPHOON CEMPAKA:
LOCATION: 21.5 DEGREES NORTH, 112.4 DEGREES EAST; MAXIMUM
SUSTAINED WIND NEAR ITS CENTRE: 120 KM/H.

DISPATCHED BY HONG KONG OBSERVATORY AT 14:02 HKT ON 20.07.2021