HOURLY READINGS


 

AT 3 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 26 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 93 PER
CENT.

 

SPECIAL LANDSLIP ADVISORY: RAIN HAS BEEN PARTICULARLY HEAVY
IN NORTH NEW TERRITORIES; AND MAY CAUSE LANDSLIDES. PAY
SPECIAL ATTENTION TO LANDSLIDE RISK AND STAY AWAY FROM
SLOPES. IF LANDSLIDE OCCURS NEARBY, LEAVE IMMEDIATELY AND
CALL THE POLICE UNDER SAFE CONDITIONS.

INTENSE GUSTS REACHING 70 KILOMETRES PER HOUR OR ABOVE MAY
CONTINUE TO AFFECT HONG KONG. MEMBERS OF PUBLIC SHOULD SEEK
SAFE SHELTER AS SOON AS POSSIBLE.

 

PLEASE BE REMINDED THAT:

 

THE RED RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 4:30 A.M. TODAY. A FEW 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                 26 DEGREES;
WONG CHUK HANG              28 DEGREES;
TA KWU LING                 24 DEGREES;
LAU FAU SHAN                24 DEGREES;
TAI PO                      24 DEGREES;
SHA TIN                     25 DEGREES;
TUEN MUN                    25 DEGREES;
TSEUNG KWAN O               27 DEGREES;
SAI KUNG                    25 DEGREES;
CHEUNG CHAU                 25 DEGREES;
CHEK LAP KOK                26 DEGREES;
TSING YI                    25 DEGREES;
SHEK KONG                   24 DEGREES;
TSUEN WAN HO KOON           24 DEGREES;
TSUEN WAN SHING MUN VALLEY  25 DEGREES;
HONG KONG PARK              26 DEGREES;
SHAU KEI WAN                27 DEGREES;
KOWLOON CITY                25 DEGREES;
HAPPY VALLEY                28 DEGREES;
WONG TAI SIN                25 DEGREES;
STANLEY                     27 DEGREES;
KWUN TONG                   26 DEGREES;
SHAM SHUI PO                25 DEGREES;
KAI TAK RUNWAY PARK         27 DEGREES;
YUEN LONG PARK              25 DEGREES;
TAI MEI TUK                 24 DEGREES.

 

BETWEEN 1:45 AND 2:45 A.M., LIGHTNING WAS DETECTED OVER ALL
REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
KWAI TSING                      48 TO 72 MM;
TSUEN WAN                       13 TO 70 MM;
SHA TIN                         32 TO 65 MM;
TAI PO                          13 TO 63 MM;
NORTH DISTRICT                   2 TO 36 MM;
SAI KUNG                         0 TO 34 MM;
SHAM SHUI PO                    11 TO 28 MM;
ISLANDS DISTRICT                 0 TO 22 MM;
YUEN LONG                        0 TO 18 MM;
CENTRAL & WESTERN DISTRICT       0 TO 11 MM;
WONG TAI SIN                      2 TO 8 MM;
TUEN MUN                          0 TO 7 MM;
KOWLOON CITY                      1 TO 6 MM;
YAU TSIM MONG                     2 TO 5 MM;
KWUN TONG                         0 TO 4 MM;
SOUTHERN DISTRICT                 0 TO 1 MM.

DISPATCHED BY HONG KONG OBSERVATORY AT 03:02 HKT ON 21.05.2026