XN000022-1987-05-10 — Page 4

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SUNDAY, MAY 10, 1987

RAINFALL WAS CONFINED TO THE FIRST HALF OF THE MONTH, WITH AN EPISODE OF HEAVY RAIN AND HAILSTORM ON APRIL 5 AND 6 AND SIGNIFICANT SURGE OF THE WINTER MONSOON ON APRIL 12 AND 13. WEATHER IN THE LATTER HALF OF THE MONTH WAS PREDOMINANTLY FINE AND WARM,

UNDER THE INFLUENCE OF THE WINTER MONSOON, THE FIRST FOUR DAYS OF APRIL WERE RELATIVELY COOL AND MAINLY CLOUDY WITH SOME LIGHT RAIN.

ON APRIL 5, IT WAS DRIZZLY AND MISTY BEFORE THE WEATHER FURTHER DETERIORATED IN THE LATE AFTERNOON WHEN A TROUGH OF LOW PRESSURE DEVELOPED NEAR THE SOUTH CHINA COAST. SQUALLY THUNDERSTORMS AFFECTED HONG KONG AND HAIL WAS REPORTED IN SHA TIN AND LAI CHI KOK AROUND 5 PM.

INTENSE RAINSTORM ALSO AFFECTED MACAU. ACCORDING TO PRESS REPORTS, A TOTAL OF 285.4 MM OF RAINFALL WAS RECORDED BETWEEN 4 AND 10 PM MAKING THIS MONTH THE WETTEST APRIL EVER FOR MACAU.

WITH THE TROUGH OF LOW PRESSURE LINGERING NEAR THE SOUTH CHINA COAST, HEAVY AND THUNDERY SHOWERS PERSISTED IN THE REGION. THERE WAS TORRENTIAL RAIN ON APRIL 5 AND 6 WITH THE RAINFALL RECORDED ON APRIL 6 TO OVER 100 MM.

SHOWERS AND THUNDERSTORMS SUBSIDED BY THE AFTERNOON OF APRIL 7 AND IT BECAME SUNNY ON APRIL 8. A WARM AND HUMID SOUTHEASTERLY AIRSTREAM THEN SET IN, BRINGING MIST AND FOG ON APRIL 9 AND 10. WITH WINDS VEERING FURTHER TO THE SOUTHWEST, IT WAS SUNNY AND HOT ON APRIL 11.

ON THE MORNING OF APRIL 12, A SIGNIFICANT SURGE OF THE WINTER MONSOON ARRIVED AND WINDS STRENGTHENED FROM THE EAST. TEMPERATURES FELL SHARPLY BY ABOUT 5 DEGREES CELSIUS IN TWO HOURS AND SKIES TURNED OVERCAST WITH HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

A FISHERMAN WAS KILLED AND TWO OTHERS WERE STRUCK BY LIGHTNING IN SAI KUNG THAT MORNING.

WINDS REMAINED STRONG UNTIL THE AFTERNOON OF APRIL 13 AND COOL AND WET CONDITIONS PREVAILED TO APRIL 14. MINIMUM TEMPERATURE OF 14.2 DEGREES CELSIUS WERE RECORDED DURING THE EARLY MORNINGS OF APRIL 13 AND 14, THE LOWEST FOR THE MONTH.

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THE WEATHER IMPROVED ON APRIL 15 WITH SUNNY INTERVALS. GENTLE BREEZES FROM THE EAST, IT BECAME MILD AND SUNNY OVER THE NEXT FOUR DAYS.

FROM APRIL 20 TO 24. MIST AND FOG OCCURRED OVERNIGHT BUT IT WAS SUNNY AND WARM IN THE AFTERNOON. THE FINE WEATHER PREVAILED OVER THE NEXT TWO DAYS WITH AFTERNOON TEMPERATURE RISING TO 29.8 DEGREES CELSIUS ON APRIL 26, THE HIGHEST RECORDED SO FAR THIS YEAR.

AWERNIGHT KIN