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THURSDAY, OCTOBER 13, 1977
AN INTENSE NORTHEAST MONSOON OVER SOUTH CHINA AND THE NORTHERN PART OF SOUTH CHINA SEA COUPLED WITH TYPHOON DINAH TO THE SOUTHEAST OF HONG KONG RESULTED IN A PERIOD OF STRONG WINDS ON HILL-TOPS AND OTHER EXPOSED LOCATIONS FROM THE EVENING OF SEPTEMBER 21 TO THE FOLLOWING MORNING,
THE WEATHER BECAME GENERALLY CLOUDY AND MUCH COOLER AND TEMPERATURES FELL TO A MINIMUM OF 21.3 DEGREES CELSIUS ON THE MORNING OF SEPTEMBER 22, WHICH WAS THE LOWEST RECORDED IN THE MONTH.
ON THE EVENING OF SEPTEMBER 23, WINDS GRADUALLY FRESHENED FROM THE NORTH OVERNIGHT AND BECAME STRONG THE NEXT MORNING AS SEVERE TROPICAL STORM FREDA ENTERED THE SOUTH CHINA SEA.
THE WINDS CHANGED TO EASTERLY DURING THE DAY AND INCREASED TO GALE FORCE LATE IN THE AFTERNOON. THE GALES SUBSIDED AFTER 10 P.M. AND BY THE NEXT MORNING THE WINDS WERE MODERATE TO FRESH FROM THE SOUTHEAST.
IT WAS MAINLY FINE ON SEPTEMBER 23 BUT BECAME CLOUDY WITH OCCASIONAL SHOWERS FOR THE NEXT THREE DAYS. THE WEATHER IMPROVED RAPIDLY ON SEPTEMBER 27 AND THE REST OF THE MONTH WAS MAINLY FINE.
DURING THE MONTH UNDER REVIEW, FIRE DANGER WARNINGS WERE IN FORCE BETWEEN SEPTEMBER 10 AND 15.
A TOTAL OF 14 AIRCRAFT WERE DIVERTED FROM THE HONG KONG INTERNATIONAL AIRPORT DUE TO ADVERSE WEATHER CONDITIONS AND THUNDERSTORM AND HEAVY RAIN WARNINGS WERE ISSUED ON SEVEN OCCASIONS.
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