HOURLY READINGS


 

AT NOON AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 25 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 94 PER
CENT.
DURING THE PAST HOUR THE MEAN UV INDEX RECORDED AT KING'S
PARK WAS 0.2. THE INTENSITY OF UV RADIATION WAS LOW.

 

TROPICAL CYCLONE RAGASA IS EXPECTED TO MOVE TOWARDS THE
VICINITY OF LUZON STRAIT AND INTENSIFY SIGNIFICANTLY IN THE
NEXT COUPLE OF DAYS. IT MAY EDGE CLOSER TO THE COAST OF
GUANGDONG WITH SUPER TYPHOON INTENSITY MIDWEEK NEXT WEEK.
ACCORDING TO THE PRESENT FORECAST, LOCAL WEATHER WILL
DETERIORATE GRADUALLY ON TUESDAY AND WEDNESDAY. GALE TO
STORM FORCE WINDS WILL PREVAIL ON WEDNESDAY. THE WEATHER
WILL BE ADVERSE WITH HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS. SEAS WILL BE HIGH WITH SWELLS. UNDER THE
INFLUENCE OF SIGNIFICANT STORM SURGE, THE SEA LEVEL OVER
COASTAL AREAS BY THEN MAY BE SIMILAR TO THAT OF HATO IN
2017 AND MANGKHUT IN 2018. MEMBERS OF THE PUBLIC PLEASE
TAKE NOTE OF THE LATEST WEATHER INFORMATION FROM THE
OBSERVATORY AND BE WELL PREPARED FOR HIGH WINDS AND
FLOODING.

 

PLEASE BE REMINDED THAT:

 

THE AMBER RAINSTORM WARNING SIGNAL HAS BEEN ISSUED.
THE THUNDERSTORM WARNING HAS BEEN ISSUED. IT WILL REMAIN
EFFECTIVE UNTIL 2:00 P.M. TODAY. A FEW SQUALLY
THUNDERSTORMS ARE EXPECTED TO OCCUR OVER HONG KONG.

 

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

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

 

BETWEEN 10:45 AND 11:45 A.M., LIGHTNING WAS DETECTED OVER
ALL REGIONS. THE RAINFALL RECORDED IN VARIOUS REGIONS WERE:

 

 
ISLANDS DISTRICT                 0 TO 34 MM;
KWAI TSING                       5 TO 16 MM;
SHA TIN                          8 TO 15 MM;
SHAM SHUI PO                    12 TO 15 MM;
SAI KUNG                         6 TO 14 MM;
TAI PO                           3 TO 14 MM;
CENTRAL & WESTERN DISTRICT       2 TO 12 MM;
KOWLOON CITY                     3 TO 11 MM;
KWUN TONG                         8 TO 9 MM;
TSUEN WAN                         4 TO 8 MM;
WONG TAI SIN                      6 TO 8 MM;
EASTERN DISTRICT                  3 TO 7 MM;
YAU TSIM MONG                     3 TO 7 MM;
WAN CHAI                          0 TO 5 MM;
NORTH DISTRICT                    2 TO 4 MM;
SOUTHERN DISTRICT                 2 TO 4 MM;
YUEN LONG                         1 TO 4 MM;
TUEN MUN                          0 TO 1 MM.

 

84.9 MILLIMETRES OF RAINFALL WERE RECORDED AT THE HONG KONG
OBSERVATORY BETWEEN MIDNIGHT LAST NIGHT AND MIDDAY TODAY. 

 

HERE IS THE INFORMATION ON TROPICAL DEPRESSION MITAG AT
NOON:
LOCATION: 23.5 DEGREES NORTH, 113.8 DEGREES EAST.

DISPATCHED BY HONG KONG OBSERVATORY AT 12:47 HKT ON 20.09.2025