11
SATURDAY, JULY 9, 1988
THUNDERSTORMS, BUT JUNE RAINFALL BELOW NORMAL
HEAVY SHOWERS AND THUNDERSTORMS THAT AFFECTED HONG KONG JUNE 23 TO 27 BROUGHT 237.6 MILLIMETRES OF RAINFALL, BUT RAINFALL THE MONTH WAS STILL 31 PER CENT BELOW THE NORMAL AMOUNT OF MILLIMETRES.
FROM
FOR
431.8
THE TOTAL RAINFALL AMOUNTED TO ONLY 296.9 MILLIMETRES, THE ROYAL OBSERVATORY SAID IN ITS REPORT FOR THE MONTH RELEASED TODAY (SATURDAY).
FOR THE FIRST HALF OF 1988, A TOTAL OF ONLY 548.0 MILLIMETRES OF RAIN WAS RECORDED. THIS IS THE FOURTH LOWEST ON RECORD FOR THE PERIOD.
JUNE WAS ALSO DRIER AND WARMER THAN NORMAL. THE MEAN RELATIVE HUMIDITY OF 78 PER CENT, WAS THE LOWEST ON RECORD FOR JUNE AND EQUALLED THE FIGURE RECORDED IN JUNE 1967. THE MEAN TEMPERATURE OF 28 .6 DEGREES CELSIUS WAS THE FOURTH HIGHEST ONRECORD FOR JUNE.
UNDER THE INFLUENCE OF THE CIRCULATION OF SEVERE TROPICAL STORM SUSAN, THE WEATHER WAS GENERALLY CLOUDY ON JUNE 1. HOWEVER, SUSAN MOVED FARTHER AWAY FROM HONG KONG IN THE EVENING AND A RIDGE OF HIGH PRESSURE OVER THE WESTERN NORTH PACIFIC BEGAN ΤΟ EXTEND WESTWARDS TO COVER SOUTH CHINA.
FOR THE NEXT NINE DAYS, THE WEATHER IN FINE APART FROM A FEW BRIEF SHOWERS ON JUNE 7,
HONG KONG WAS 8 AND 10.
MAINLY
CENTRAL CHINA
MOVED
AS A TROUGH OF LOW PRESSURE OVER SOUTHWARDS ON JUNE 11, SOUTHWESTERLY WINDS OVER THE SOUTH CHINA COASTAL AREAS STRENGTHENED AND MORNING SHOWERS OCCURRED OVER THE NEXT FEW DAYS.
THE WARMER SOUTHWESTERLIES CAUSED THE TEMPERATURE A MAXIMUM OF 33 DEGREES ON JUNE 13 WHICH WAS THE HIGHEST THAT DATE.
TO RISE ΤΟ RECORDED ΤΟ
AS THE TROUGH WEAKENED AND RETREATED NORTHWARDS ON JUNE 15, THE SOUTHWEST MONSOON WEAKENED AND SHOWERY ACTIVITY ALSO DECREASED.
MEANWHILE, AN AREA OF LOW PRESSURE DEVELOPED OVER THE CENTRAL PART OF THE SOUTH CHINA SEA. AS IT MOVED NORTH-NORTHWESTWARDS TOWARD HAINAN ISLAND, WINDS IN HONG KONG TURNED EASTERLY ON JUNE 16 AND THEN SOUTHEASTERLY THE NEXT DAY. SHOWERS ALSO OCCURRED FOR MOST OF THE DAY ON JUNE 17.
THIS AREA OF LOW PRESSURE LANDED ON THE NORTHERN SHORES OF BEIBU WAN ON JUNE 18, AND THE WEATHER IN HONG KONG FOR THE NEXT FOUR DAYS WAS GENERALLY FINE APART FROM ISOLATED SHOWERS.
/AN ACTIVE