XN000022-1992-10-15 — Page 17

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THURSDAY, OCTOBER 15, 1992

THE ARRIVAL OF AN EASTERLY

AIRSTREAM BROUGHT CLOUDY PERIODS AND LIGHT RAIN ON THE LATTER PART OF SEPTEMBER 10 AND TRIGGERED OFF SOME THUNDERSTORMS AROUND MIDNIGHT.

FINE WEATHER RETURNED ON SEPTEMBER 11 AND PERSISTED FOR THE NEXT FOUR DAYS DESPITE SOME LIGHT RAIN PATCHES IN THE EARLY HOURS OF SEPTEMBER 12 AND 15.

A CONVERGENCE OF AIR FLOW IN THE VICINITY OF HONG KONG LED TO CLOUDIER WEATHER ON SEPTEMBER 16. SHOWERS AND THUNDERSTORMS OCCURRED AROUND NOON TIME AND AGAIN NEAR MIDNIGHT.

A FRESH EASTERLY AIRSTREAM SOON BECAME ESTABLISHED DURING THE NIGHT AND THE WEATHER WAS A MIXTURE OF SUNSHINE AND CLOUDS FOR THE NEXT THREE DAYS.

TEMPERATURE DROPPED SLIGHTLY DURING THE PERIOD WITH MIDDAY AND MIDNIGHT BEING THE MOST PROBABLE TIMES FOR THE DEVELOPMENT OF LIGHT SHOWERS.

MEANWHILE, CONDITIONS TURNED INCREASINGLY WINDY WITH STRONG EASTERLIES BLOWING OFFSHORE ON SEPTEMBER 18 AND 19 UNDER THE ENHANCED INFLUENCE OF AN AREA OF LOW PRESSURE OVER THE SOUTH CHINA SEA NEAR XISHA.

AFTER THE EASTERLIES SUBSIDED DURING THE DAY ON SEPTEMBER 20, SUNNY AND HOT WEATHER SET IN. AFFECTED BY THE OUTER CIRCULATION OF SEVERE TROPICAL STORM TED WHICH WAS LOCATED OVER THE LUZON STRAIT, WINDS IN HONG KONG TURNED NORTH TO NORTHWESTERLY ON SEPTEMBER 21.

AS IN THE CASE OF OMAR ON SEPTEMBER 4, TEMPERATURES AGAIN SOARED AND REACHED THE MONTH'S HIGHEST OF 33.5 DEGREES THAT DAY.

24.

WITH TED TRACKING NORTHWARDS ACROSS EASTERN CHINA AND MOVING AWAY,

LOCAL WINDS TURNED WESTERLY AND THEN EASTERLY ON SEPTEMBER THE WEATHER REMAINED FINE APART FROM SOME HAZE THAT MORNING.

FRESH

A SURGE OF THE NORTHEAST MONSOON CAME IN THE FORM OF A EASTERLY AIRSTREAM ON SEPTEMBER 26. THE DAYTIME MAXIMUM TEMPERATURES DROPPED BY FIVE DEGREES BETWEEN SEPTEMBER 25 AND 27.

EVEN THOUGH THERE WERE STILL LONG PERIODS OF SUNSHINE DURING THE DAY, SOME LIGHT RAIN PATCHES ALSO OCCURRED FROM TIME TO TIME AND WERE MOST FREQUENT FROM THE EVENING OF SEPTEMBER 26 TO THE NEXT MORNING.

BROUGHT A

A WEAK REPLENISHMENT OF THE NORTHEAST MONSOON CLOUDIER DAY ON SEPTEMBER 29 BUT THIS PRODUCED NO LASTING EFFECTS ON THE MAINLY FINE AND HOT THEME WHICH PERSISTED TILL THE END OF THE MONTH.

SEVEN TROPICAL CYCLONES OCCURRED IN SEPTEMBER BUT NONE AFFECTED THE SOUTH CHINA SEA.

MOST OF THE TROPICAL CYCLONES DEVELOPED FURTHER EAST TOWARDS THE CENTRAL NORTH PACIFIC AND TRACKED NORTHWARDS.

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