SUNDAY, AUGUST 11, 1985
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THE MEAN ATMOSPHERIC PRESSURE OF THE MONTH, 1 006.9 MILLIBARS, WAS THE EIGHTH HIGHEST ON RECORD FOR THE MONTH OF JULY, WHILE THE MEAN CLOUD AMOUNT OF 61 PER CENT WAS SLIGHTLY LESS THAN THE NORMAL OF 66 PER CENT.
WITH THE SOUTHWEST MONSOON AFFECTING THE NORTHERN PART OF THE SOUTH CHINA SEA ON THE FIRST THREE DAYS OF THE MONTH, THE WEATHER IN HONG KONG WAS CLOUDY WITH SUNNY INTERVALS AND A FEW ISOLATED SHOWERS ON JULY 1 AND 2. SOME SCATTERED HEAVY SHOWERS OCCURRED ON JULY 3 WHEN THE SOUTHWEST MONSOON STRENGTHENED.
THE WEATHER TURNED FINE FROM JULY 4 TO 7 UNDER THE INFLUENCE OF A RIDGE OF HIGH PRESSURE OVER SOUTH CHINA.
A TROPICAL DEPRESSION OVER THE SOUTH CHINA SEA ON JULY 8 BROUGHT CLOUDY WEATHER AND THERE WERE HEAVY SHOWERS AND SQUALLY THUNDERSTORMS IN THE EARLY MORNING.
HEAVY SHOWERS AND SEVERE THUNDERSTORMS OCCURRED AGAIN IN THE EARLY HOURS OF JULY 9 CAUSING FLOODING AND MINOR LANDSLIPS IN SHA TIN AND THE NORTHERN PART OF KOWLOON, WINDS FRESHENED EARLY THAT DAY AND BECAME STRONG OFFSHORE IN THE MORNING, IN SHA TIN OVER 200 MM OF RAINFALL WAS RECORDED BETWEEN MIDNIGHT AND 7 AM, BUT LESS THAN 20 MM WAS RECORDED AT THE ROYAL OBSERVATORY DURING THE SAME PERIOD. THE WEATHER IMPROVED IN THE AFTERNOON WITH SOME SUNNY INTERVALS.
ON THE MORNING OF JULY 10 WINDS MODERATED RAPIDLY AND A BROAD RIDGE OF HIGH PRESSURE WAS ESTABLISHED OVER SOUTH CHINA. ALTHOUGH A FEW ISOLATED SHOWERS WERE RECORDED, THE WEATHER WAS GENERALLY FINE AND HOT UP TO JULY 17, WITH THE MAXIMUM TEMPERATURE RISING TO 32.5 DEGREES CELSIUS ON JULY 16, THE HIGHEST SO FAR THIS YEAR.
JULY 18 WAS OVERCAST WITH OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS, DUE TO THE SOUTHWEST MONSOON BECOMING ACTIVE ALONG THE SOUTH CHINA COAST. OVER 50 MM OF RAINFALL WAS RECORDED BETWEEN 7 AM AND 9 AM ON HONG KONG ISLAND AND THE WESTERN PART OF THE NEW TERRITORIES.
UNSETTLED WEATHER WITH HEAVY SHOWERS AND THUNDERSTORMS CONTINUED ON JULY 19 AND THE FOLLOWING MORNING. HOWEVER, THE WEATHER IMPROVED ON THE AFTERNOON OF JULY 20 WITH SOME SUNNY INTERVALS.
FINE AND SUNNY WEATHER PREVAILED FROM JULY 21 TO 25, APART FROM A FEW ISOLATED AND BRIEF LIGHT SHOWERS.
THE WEATHER DETERIORATED ON JULY 26 WHEN THE SOUTHWEST MONSOON IN THE SOUTH CHINA COASTAL AREAS BECAME ACTIVE AGAIN.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS OCCURRED IN THE MORNING. GUSTS OF UP TO 48 AND 53 KNOTS WERE RECORDED AT KAI TAK AIRPORT AND CHEUNG CHAU. HAILSTONES OF ABOUT TWO MM IN DIAMETER WERE REPORTED IN MONG KOK AROUND NOON.
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