XN000022-1986-07-15 — Page 20

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TUESDAY, JULY 15, 1986

THE WEATHER WAS FINE FROM JUNE 9 TO 11. PRESSURE REMAINED WELL SOUTH OF HONG KONG.

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THE TROUGH OF LOW

ON JUNE 12, THE TROUGH RETURNED FROM THE SOUTH CHINA SEA AND BROUGHT SCATTERED SHOWERS IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS CONTINUED INTO JUNE 13 AND CAUSED A MINOR MUDSLIP IN KWUN TONG. AS THE TROUGH CONTINUED TO MOVE NORTHWARDS AWAY FROM HONG KONG, THE WEATHER BECAME SUNNY AND HOT BETWEEN JUNE 14 AND 16.

DURING THE PERIOD FROM JUNE 17 TO 23, THE WEATHER WAS CHARACTERISED BY INTERMITTENT SHOWERS AND SUNNY PERIODS.

ON JUNE 24, AN AREA OF LOW PRESSURE WHICH HAD BEEN LINGERING OVER THE SOUTH CHINA SEA MOVED SHARPLY NORTHWARDS TOWARDS HONG KONG.

THE LOW PRESSURE AREA INTENSIFED MARKEDLY EARLY ON JUNE 25 AS IT MOVED CLOSER AND A TORRENTIAL DOWNPOUR OCCURRED IN THE EVENING. ABOUT 50 TO 100 MM OF RAINFALL WERE RECORDED IN MOST PARTS OF THE TERRITORY AND MINOR FLOODING WAS REPORTED IN TAI PO.

DURING THIS PERIOD, OCCASIONAL STRONG GUSTS BLEW DOWN TREES AND OVERTURNED A SAMPAN. THE ADVERSE WEATHER ALSO AFFECTED FERRY SERVICES TO ZHAOQING.

IN HONG KONG, UNSETTLED CONDITIONS LASTED UNTIL JUNE 27.

FINE AND HOT WEATHER MADE A WELCOME RETURN FROM JUNE 28 TO 30 AND THE MONTH ENDED WITH THE TEMPERATURE RISING TO 32.9 DEGREES CELSIUS IN THE AFTERNOON OF JUNE 30.

TWO TROPICAL CYCLONES DEVELOPED OVER THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA DURING THE MONTH.

NANCY DEVELOPED AS A TROPICAL DEPRESSION ABOUT 1 080 KM EAST OF MANILA ON JUNE 21 AND MOVED NORTHWESTWARDS. IT PASSED ABOUT 180 KM TO THE NORTHEAST OF LUZON AND INTENSIFIED INTO A TYPHOON ABOUT 90 KM SOUTHEAST OF BATAN ON JUNE 23. IT SKIRTED THE EASTERN COAST OF TAIWAN AND PASSED CLOSE TO TAIPEI EARLY ON JUNE 24.

NANCY RECURVED NORTHEASTWARDS DURING THE DAY AND ACCELERATED RAPIDLY TO A SPEED OF ABOUT 60 KM PER HOUR THAT NIGHT. IT CROSSED THE SOUTHERN COAST OF KOREA ABOUT 290 KM SOUTH-SOUTHEAST OF SEOUL IN THE MORNING OF JUNE 25 AND BECAME AN EXTRATROPICAL DEPRESSION OVER THE SEA OF JAPAN ABOUT 310 KM NORTHWEST OF OSAKA ON THE SAME DAY.

OWEN FORMED ABOUT 1 330 KM EAST OF MANILA ON JUNE 28, AND MOVED GENERALLY NORTHWESTWARDS ABOUT 14 KM PER HOUR AND BECAME A TROPICAL STORM EARLY ON JUNE 29.

/AT THE END

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