29
THURSDAY, JANUARY 13, 1994
A SPELL OF CLOUDY AND RAINY WEATHER PERSISTED FROM DECEMBER ΤΟ 15. DURING THIS TIME, A TROPICAL CYCLONE NAMED MANNY TRAVERSING THE SOUTH CHINA SEA AND MOISTURE ADVECTION TOWARDS SOUTH CHINA COASTAL AREAS WAS ENHANCED.
12
WAS
THE
13,
MEANWHILE, NORTHERLY WINDS FRESHENED OVERNIGHT ON DECEMBER CAUSING A SIGNIFICANT TEMPERATURE FALL OF ABOUT SEVEN DEGREES OVER THE NEXT COUPLE OF DAYS.
REPLENISHMENT
WINDS
DAY.
THOUGH THE WEATHER IMPROVED ON DECEMBER
16,
ANOTHER
OF THE WINTER MONSOON AND A STRENGTHENING OF NORTHERLY THAT NIGHT RESULTED IN A FURTHER DROP IN TEMPERATURES THE NEXT
AT THE ROYAL OBSERVATORY, THE MONTH'S LOWEST TEMPERATURE OF 9.2 DEGREES WAS RECORDED ON THE MORNING OF DECEMBER 17. AT TAI MO SHAN, TEMPERATURES WERE NEAR FREEZING.
AFTER A CLOUDY AND RAINY DAY ON DECEMBER 18, FINE WEATHER RETURNED ON DECEMBER 19 AND TEMPERATURES ROSE AGAIN,
THIS WAS THE LASTED TILL
CONDITIONS ONCE AGAIN BECAME COLD AS A SURGE OF THE WINTER MONSOON REACHED HONG KONG ON THE EVENING OF DECEMBER 21. BEGINNING OF A SPELL OF SUSTAINED NORTHERLY WINDS WHICH DECEMBER 27.
NORTHERLY WINDS WERE STRONG AND GUSTY DURING THE ONSET STAGE AND SOME SCAFFOLDINGS COLLAPSED IN YAU MA TEI ON DECEMBER 21.
WITH CLEAR SKIES, NIGHTTIME COOLING WAS ENHANCED IN THE TERRITORIES WHERE TEMPERATURES WERE GENERALLY BELOW 10 DEGREES ON MORNINGS OF DECEMBER 22 AND 23.
THE PREVAILING
NEW
THE
DRY
CONTINENTAL AIR MASS LED TO INCREASINGLY CONDITIONS AND RELATIVE HUMIDITY WAS AS LOW AS 22 PER CENT ON DECEMBER
HILL FIRES WERE REPORTED IN TAI PO KAU AND TAI LAM COUNTRY PARK.
24.
WINDS
27, DECEMBER FINE WEATHER
AFTER
TURNED EASTERLY DURING THE DAY ON SURGES OF COLD AIR FROM THE NORTH BECAME LESS FREQUENT. PERSISTED AND CONDITIONS BECAME MILDER TOWARDS THE END OF THE MONTH.
NORTHERLY
WINDS
ASSOCIATED WITH A WEAK REPLENISHMENT WINTER MONSOON
DECEMBER 31 WERE RATHER ON
SHORT-LIVED. EFFECT WAS A SLIGHT DROP IN TEMPERATURE ON NEW YEAR'S EVE.
OF
THE
THE
ONLY
THREE TROPICAL CYCLONES AFFECTED THE WESTERN NORTH PACIFIC THE SOUTH CHINA SEA IN DECEMBER.
AND
DURING THE MONTH, NO AIRCRAFT WAS DIVERTED BECAUSE OF
ADVERSE
WEATHER.
DETAILS OF THE ISSUANCE/HOISTING AND CANCELLATION/LOWERING VARIOUS WARNINGS/SIGNALS IN THE MONTH ARE SUMMARISED IN TABLE 1.1.
OF
MONTHLY METEOROLOGICAL FIGURES AND DEPARTURES FROM NORMAL DECEMBER ARE TABULATED IN TABLE 1.2.
FOR
/TABLE 1.1
--
Page 30Page 31