PRESS WEATHER NO. 018 - HOURLY READINGS
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HOURLY READINGS
DISPATCHED BY HONG KONG OBSERVATORY AT 01:13 HKT ON 21.05.2026
AT 1 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 28 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 87 PER
CENT.
INTENSE GUSTS REACHING 70 KILOMETRES PER HOUR OR ABOVE MAY
AFFECT HONG KONG. MEMBERS OF PUBLIC SHOULD SEEK SAFE
SHELTER AS SOON AS POSSIBLE.
PLEASE BE REMINDED THAT:
THE AMBER RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 3:00 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 28 DEGREES;
WONG CHUK HANG 28 DEGREES;
TA KWU LING 25 DEGREES;
LAU FAU SHAN 24 DEGREES;
TAI PO 25 DEGREES;
SHA TIN 29 DEGREES;
TUEN MUN 25 DEGREES;
TSEUNG KWAN O 27 DEGREES;
SAI KUNG 28 DEGREES;
CHEUNG CHAU 26 DEGREES;
CHEK LAP KOK 26 DEGREES;
TSING YI 28 DEGREES;
SHEK KONG 24 DEGREES;
TSUEN WAN HO KOON 26 DEGREES;
TSUEN WAN SHING MUN VALLEY 28 DEGREES;
HONG KONG PARK 28 DEGREES;
SHAU KEI WAN 27 DEGREES;
KOWLOON CITY 28 DEGREES;
HAPPY VALLEY 28 DEGREES;
WONG TAI SIN 28 DEGREES;
STANLEY 27 DEGREES;
KWUN TONG 28 DEGREES;
SHAM SHUI PO 29 DEGREES;
KAI TAK RUNWAY PARK 28 DEGREES;
YUEN LONG PARK 25 DEGREES;
TAI MEI TUK 26 DEGREES.
BETWEEN 11:45 P.M. AND 0:45 A.M., LIGHTNING WAS DETECTED
WITHIN NEW TERRITORIES WEST AND NEW TERRITORIES EAST. THE
RAINFALL RECORDED IN VARIOUS REGIONS WERE:
NORTH DISTRICT 0 TO 57 MM;
YUEN LONG 0 TO 37 MM;
TAI PO 0 TO 35 MM;
TSUEN WAN 0 TO 20 MM;
TUEN MUN 0 TO 3 MM.
DISPATCHED BY HONG KONG OBSERVATORY AT 01:13 HKT ON 21.05.2026
