16
WEDNESDAY, FEBRUARY 13, 1985
FINE AND SUNNY WEATHER RETURNED IN THE AFTERNOON OF JANUARY 18 AS A RIDGE OF HIGH PRESSURE BECAME ESTABLISHED OVER THE SOUTHEASTERN COAST OF CHINA. SUNNY WEATHER CONTINUED UP TO JANUARY 23 WHEN THE TEMPERATURE ROSE TO A MAXIMUM OF 23.3 DEGREES CELSIUS, THE HIGHEST OF THE MONTH.
A COLD FRONT PASSED HONG KONG LATE ON JANUARY 24 AND THE WEATHER BECAME CLOUDY WITH RAIN FROM JANUARY 24 TO 26.
FROM JANUARY 27 TO 31, THE WEATHER WAS FINE AND SUNNY EXCEPT FOR SOME CLOUDY PERIODS ON JANUARY 29 TO 30.
TWO TROPICAL CYCLONES OCCURRED OVER THE WESTERN NORTH PACIFIC DURING THE MONTH. TROPICAL STORM FABIAN DEVELOPED ABOUT 600 NAUTICAL MILES WEST OF GUAM ON JANUARY 6 AND REMAINED SLOW-MOVING. TROPICAL STORM ELSIE FORMED NEAR THE CAROLINE ISLANDS ON JANUARY 7. IT MOVED NORTHWESTWARDS AND PASSED CLOSE TO GUAM DURING THE EVENING OF JANUARY 9. UNDER THE INFLUENCE OF ELSIE, FABIAN MOVED SOUTHEASTWARDS ON JANUARY 9. ELSIE RECURVED NORTHEASTWARDS AWAY FROM FABIAN AND DISSIPATED ABOUT 560 NAUTICAL MILES NORTHEAST OF GUAM ON JANUARY 11. FABIAN THEN WEAKENED INTO AN AREA OF LOW PRESSURE WHEN IT MOVED NEAR YAP ON JANUARY 13. HOWEVER, ON THE SAME DAY, A NEW CIRCULATION CENTRE DEVELOPED IN THE REMNANT OF FABIAN AND RE-INTENSIFIED INTO A TROPICAL DEPRESSION. IT REMAINED ALMOST STATIONARY ABOUT 650 NAUTICAL MILES SOUTHEAST OF MANILA AND FINALLY DISSIPATED EARLY ON JANUARY 14.
NO AIRCRAFT WERE DIVERTED FROM HONG KONG DUE TO ADVERSE WEATHER DURING THE MONTH. THE RED FIRE DANGER WARNING WAS IN EFFECT ON JANUARY 13 AND 14. THE YELLOW FIRE DANGER WARNING WAS IN EFFECT ON JANUARY 1, 4, 6, 13, 14, 15, 16, 20, 27, 28, 30 AND 31.
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THE ONLY SIGNAL HOISTED DURING THE MONTH WAS AS FOLLOWS:
WEATHER
SYSTEM
SIGNAL
DATE AND TIME OF HOISTING
DATE AND TIME OF LOWERING
WINTER
MONSOON
STRONG MONSOON
JANUARY 10 2 AM
JANUARY 10 6 AM
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE
SUNSHINE
106.9 HOURS
46.6 HOURS BELOW NORMAL
RAINFALL
13.8 MM
1
13.1 MM BELOW NORMAL
CLOUD INESS
73%
RELATIVE HUMIDITY
75%
MEAN MAXIMUM TEMPERATURE
17.8 DEGREES
1.
CELSIUS
14% MORE THAN NORMAL
4% HIGHER THAN NORMAL
0.9 DEGREE CELSIUS BELOW NORMAL
MEAN TEMPERATURE
A
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