10
THURSDAY, DECEMBER 17, 1992
GALE
TEMPERATURES STARTED TO FALL DURING THE EVENING AND NEAR FORCE WINDS WERE EXPERIENCED OFFSHORE BY THE MORNING OF NOVEMBER 9.
CHAU.
MAXIMUM GUSTS REPORTED WERE 94 KILOMETRES PER HOUR AT CHEUNG
ROUGH SEA CONDITIONS CAUSED A FREIGHTER TO RUN AGROUND AT TUNG LUNG CHAU. THE ONSLAUGHT OF COOL AIR REACHED ITS CLIMAX ON NOVEMBER 10 WHEN TEMPERATURES AT THE ROYAL OBSERVATORY PLUNGED TO THE MONTH'S LOWEST OF 13.1 DEGREES.
SOME AREAS IN THE NEW TERRITORIES REMAINED ON THE COLD SIDE FOR SEVERAL MORNINGS AS THE CLEAR NIGHT SKIES ENHANCED NIGHTTIME COOLING.
MEANWHILE, HILL FIRES WERE RAMPANT IN THE RESULT OF THE FINE AND VERY DRY WEATHER.
COUNTRYSIDE AS A
THE LOWEST RELATIVE HUMIDITY OF 19 PER CENT WAS RECORDED ON THE AFTERNOON OF NOVEMBER 10 AT THE ROYAL OBSERVATORY.
ABOUT 70 CASES OF HILL FIRE WERE REPORTED ON NOVEMBER 9 AND 10.
WINDS WERE MODERATE AND TEMPERATURES WERE GENERALLY ON THE RISE BEFORE THE WEATHER DETERIORATED ON NOVEMBER 14.
FRESHENING EASTERLIES THAT MORNING COMBINED WITH AMPLE MOISTURE BROUGHT BY THE UPPER-AIR WINDS RESULTED IN A WET AND MISERABLE WEEKEND. RAIN WAS CONTINUOUS AND PERSISTENT FROM MORNING TILL EVENING.
THE RAIN BECAME LIGHT AND PATCHY ON THE MORNING OF NOVEMBER 15, AND THE SKY BRIGHTENED LATER THAT DAY.
WEATHER.
THE REST OF THE MONTH WAS RAIN-FREE AND WAS DOMINATED BY FINE
DURING THIS PERIOD, THERE WERE EPISODES OF VERY DRY CONDITIONS RESULTING FROM TWO BURSTS OF THE WINTER MONSOON.
THE FIRST SURGE ARRIVED WITH A COLD FRONT ON THE NOVEMBER 20. NORTHERLY WINDS BECAME STRONG THAT DAY AND DROPPED BY ABOUT 7 DEGREES BETWEEN NOVEMBER 19 AND 21.
NEARLY
MORNING OF TEMPERATURES
REPORTED
FROM
WITH THE MEAN RELATIVE HUMIDITY DIPPING BELOW 60 PER CENT, HILL FIRES PROLIFERATED.
100 CASES WERE NOVEMBER 20 TO 22.
ANOTHER REPLENISHMENT OF DRY AND COOL AIR OCCURRED NOVEMBER 25 AS NORTHEASTERLY WINDS FRESHENED.
WINDS SUBSEQUENTLY VEERED KASTERLY THE NEXT DAY STRONG OFFSHORE. THE COOLING EFFECT WAS WEAKER FOR THIS WITH TEMPERATURES FALLING BY 3 TO 4 DEGREES.
ON
AND BECAME
REPLENISHMENT
ON THE OTHER HAND, THE DRYING EFFECT WAS EVEN MORE AS THE MEAN RELATIVE HUMIDITY DROPPED TO 43 PER CENT ON
PRONOUNCED
NOVEMBER 26.
/HOWEVER, MOST
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