XN000022-1990-09-11 — Page 17

16

TUESDAY, SEPTEMBER 11,

1990

INCLUDED HIGHEST THE

OTHER NEW RECORDS FOR AUGUST ESTABLISHED IN THE MONTH

OF THE HIGHEST MONTHLY MEAN TEMPERATURE

29.5

THE DEGREES, 27.4 DEGREES, AS WELL AS MONTHLY MEAN MINIMUM TEMPERATURE OF LOWEST-EVER MONTHLY MEAN RELATIVE HUMIDITY OF 75 PER CENT.

FURTHERMORE, THE

MONTHLY MEAN

יְ י

MAXIMUM TEMPERATURE OF 32.1

DEGREES WAS THE SECOND HIGHEST FOR AUGUST.

RAINFALL NOT SURPRISINGLY,

WAS IN SHORT SUPPLY AGAINST A DRY

TOTAL ANOMALIES. THE MONTHLY BACKGROUND OF HOT AND

OF 150.1 AND REPRESENTED MILLIMETRES WAS THE 10TH LOWEST ON RECORD FOR AUGUST JUST OVER ONE-THIRD OF THE AUGUST NORMAL OF 413.4 MILLIMETRES.

RAINFALL SINCE JANUARY 1 AMOUNTED ΤΟ 1.499.3 MILLIMETRES, WHICH WAS 13 PER CENT BELOW THE NORMAL OF 1,723.1 MILLIMETRES FOR SAME PERIOD.

THE WEATHER ON THE FIRST THREE DAYS OF AUGUST WAS CLOUDY

IN THE WAKE UNSETTLED AS A RESULT OF THE MOIST SOUTHWESTERLIES SEVERE TROPICAL STORM TASHA.

PART OF MOST OF THE HEAVY SHOWERS OCCURRED IN THE LATTER

BY THUNDERSTORMS. NIGHT AND WERE ACCOMPANIED BY SOME SQUALLY MORNING ON AUGUST 3, OVER 100 MILLIMETRES OF RAINFALL HAD FALLEN.

THE

AND

OF

THE

EARLY

SET

HONG

SUNSHINE THE AMOUNT OF BRIGHT

GRADUALLY INCREASED OVER THE NEXT THREE DAYS AND A SPELL OF MAINLY FINE AND VERY HOT WEATHER IN. SOME ISOLATED THUNDERSTORMS DEVELOPED IN THE VICINITY OF

OF AUGUST 16 A MAJOR KONG ON AUGUST 11 AND 13, AND ON THE EVENING OUTBREAK OF THUNDERY ACTIVITY AFFECTED LOCAL AREAS.

THROUGH

THE

OF 68

AND

THE ASSOCIATED SQUALL LINE PASSED RAPIDLY TERRITORY BUT DID NOT BRING MUCH RAIN. HOWEVER, SEVERE SQUALLS AND 83 KILOMETRES PER HOUR WERE RECORDED AT THE ROYAL OBSERVATORY WAGLAN ISLAND RESPECTIVELY.

OBSERVATORY PLUMMETED BY THE TEMPERATURE AT THE ROYAL

OF

LINE. SIX DEGREES IN AN HOUR DURING THE PASSAGE

THE SQUALL MINIMUM TEMPERATURE OF 25.0 DEGREES REGISTERED DURING

EVENT WAS THE LOWEST TEMPERATURE FOR THE MONTH.

ABOUT

THE

THE

DAILY MEAN

FOR SIX CONSECUTIVE DAYS COMMENCING AUGUST 17, THE SEA-LEVEL PRESSURE AT THE ROYAL OBSERVATORY STAYED UNDER 1,000 HPA

OF THE INFLUENCE (HECTOPASCAL) AS THE TERRITORY CAME UNDER YANCY OVER THE WESTERN NORTH PACIFIC.

AIRSTREAM, WHICH

TYPHOON

BROUGHT

THE RESULTANT NORTHWESTERLY RELATIVELY DRY AIR OF CONTINENTAL ORIGIN, PERSISTED FOR NEARLY A WEEK.

17, AND THE TEMPERATURE

PART OF THIS

THE

HEAT BUILT RECORD

CONDITIONS WERE GENERALLY FINE DURING THE EARLY PERIOD. IT WAS VERY HOT AND HAZY ON AUGUST STAYED ABOUT 30 DEGREES THROUGHOUT THE NIGHT. THE INTENSE UP FURTHER THE FOLLOWING DAY, AND THE TEMPERATURE REACHED HIGH OF 36.1 DEGREES SHORTLY AFTER NOON.

/WITH YANCY