HOURLY READINGS


 

AT 11 A.M. AT THE HONG KONG OBSERVATORY THE AIR TEMPERATURE
WAS 17 DEGREES CELSIUS AND THE RELATIVE HUMIDITY 82 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.

 

TROPICAL CYCLONE RAI HAS COME WITHIN 800 KILOMETRES OF HONG
KONG THIS MORNING (20 DECEMBER). ACCORDING TO THE PRESENT
FORECAST, RAI WILL EDGE CLOSE TO THE COASTAL AREAS OF
GUANGDONG, BUT WEAKEN GRADUALLY. LOCALLY, THERE WILL BE
STRONG WINDS OFFSHORE AND ON HIGH GROUND OCCASIONALLY. THE
OBSERVATORY WILL ISSUE THE TROPICAL CYCLONE WARNING SIGNAL
BEFORE NOON TODAY. RAIN BANDS ASSOCIATED WITH RAI ARE
EXPECTED TO BRING RAINY WEATHER TO THE NORTHERN PART OF THE
SOUTH CHINA SEA AND THE COAST OF GUANGDONG TODAY AND
TOMORROW. THE OBSERVATORY WILL CLOSELY MONITOR ITS
DEVELOPMENT. MEMBERS OF THE PUBLIC SHOULD TAKE NOTE OF
CHANGES IN WEATHER IN THE NEXT FEW DAYS.

THE AIR TEMPERATURES AT OTHER PLACES WERE:

 

KING'S PARK                 16 DEGREES;
WONG CHUK HANG              16 DEGREES;
TA KWU LING                 15 DEGREES;
LAU FAU SHAN                17 DEGREES;
TAI PO                      14 DEGREES;
SHA TIN                     15 DEGREES;
TUEN MUN                    16 DEGREES;
TSEUNG KWAN O               15 DEGREES;
SAI KUNG                    15 DEGREES;
CHEUNG CHAU                 16 DEGREES;
CHEK LAP KOK                16 DEGREES;
TSING YI                    16 DEGREES;
SHEK KONG                   15 DEGREES;
TSUEN WAN HO KOON           16 DEGREES;
TSUEN WAN SHING MUN VALLEY  16 DEGREES;
HONG KONG PARK              16 DEGREES;
SHAU KEI WAN                15 DEGREES;
KOWLOON CITY                16 DEGREES;
HAPPY VALLEY                16 DEGREES;
WONG TAI SIN                16 DEGREES;
STANLEY                     15 DEGREES;
KWUN TONG                   14 DEGREES;
SHAM SHUI PO                16 DEGREES;
KAI TAK RUNWAY PARK         16 DEGREES;
YUEN LONG PARK              16 DEGREES;
TAI MEI TUK                 15 DEGREES.

 

HERE IS THE INFORMATION ON SEVERE TROPICAL STORM RAI AT 11
A.M.:
LOCATION: 17.4 DEGREES NORTH, 110.9 DEGREES EAST.

DISPATCHED BY HONG KONG OBSERVATORY AT 11:02 HKT ON 20.12.2021