XN000022-1975-07-19 — Page 2

JUNE WEATHER ROUND-UP *****

SATURDAY, JULY 19, 1975

THE WEATHER OF JUNE WAS WETTER THAN USUAL WITH A TOTAL RAINFALL OF 579.6 MM RECORDED, WHICH EXCEEDED THE JUNE AVERAGE BY 449%.

THE ACCUMULATED RAINFALL SINCE THE BEGINNING OF THE YEAR AMOUNTED TO 1649.1 MM WHICH WAS 68% MORE THAN THE AVERAGE FOR THE SAME PERIOD. AS A RESULT, NEARLY ALL THE RESERVOIRS WERE FULL, INCLUDING PLOVER COVE, THE BIGGEST IN HONG KONG,

THE SOUTHWEST MONSOON WAS ACTIVE OVER THE NORTHERN PART OF THE: SOUTH CHINA SEA DURING THE FIRST 12 DAYS OF THE MONTH. CONSEQUENTLY, HEAVY SHOWERS AND THUNDERSTORMS WERE EXPERIENCED IN HONG KONG. DURING THIS PERIOD, THE ROYAL OBSERVATORY RECORDED 309.5 MM OF RAINFALL WHICH REPRESENTED MORE THAN HALF OF THE MONTH'S TOTAL FIGURE.

THE STANDBY SIGNAL NO. 1 WAS HOISTED ON JUNE 16 WHEN A TROPICAL DEPRESSION WAS CENTRED ABOUT 200 MILES TO THE SOUTH-SOUTHWEST OF HONG KONG. IT WAS LOWERED ON THE FOLLOWING DAY BEFORE THE DEPRESSION ENTERED THE COAST AND DISSIPATED OVER LAND IN NORTH VIETNAM.

THE ONLY PROLONGED PER LOD OF FINE AND HOT WEATHER OF THE MONTH WAS FOUND BETWEEN JUNE 20 AND 27 WHEN A RIDGE OF HIGH PRESSURE FROM THE PACIFIC ANTICYCLONE EXTENDED WESTWARDS TO COVER SOUTH CHINA. THE MONTH'S HIGHEST TEMPERATURE OF 32.6 DEGREES CELCIUS WAS RECORDED IN THE AFTERNOON OF JUNE 26.

THUNDERSTORM AND HEAVY RAIN WARNINGS WERE ISSUED ON 14 DAYS OF THE MONTH DUE TO THE FREQUENT OCCURRENCE OF HEAVY SHOWER AND THUNDER- STORMS. HOWEVER, NO AIRCRAFT WERE DIVERTED FROM THE HONG KONG INTERNATIONAL AIRPORT.

NO FIRE DANGER WARNINGS WERE ISSUED DURING THE MONTH AND NO TROPICAL CYCLONES WERE REPORTED OVER THE WESTERN NORTH PACIFIC.

12

P