6
SUNDAY, OCTOBER 8,
1989
A RIDGE OF HIGH WEATHER BEGAN TO IMPROVE ON SEPTEMBER 23 AS
CONDITIONS THEN FINE PACIFIC
WESTWARDS. THE
EDGED PRESSURE FROM PREVAILED FOR THE NEXT FOUR DAYS, THE WEATHER BECAME GENERALLY ON SEPTEMBER 28 AND REMAINED SO THE NEXT DAY. DURING SOME SCATTERED SHOWERS WERE REPORTED.
OF LOW
AN AREA
PRESSURE MEANWHILE. ENTERED THE SOUTH CHINA SEA ON SEPTEMBER 29.
THESE
CLOUDY TWO DAYS
THE OVER
PHILIPPINES
DAY.
ITS
THE NEXT DEPRESSION TROPICAL IT DEVELOPED INTO A
THE THE SOUTHI CHINA COAST
COAST NECESSITATED WESTWARD MOVEMENT TOWARDS
PM AT 5.10
ON HONG KONG ROISTING OF THE STAND BY SIGNAL NO. 1 IN
DETERIORATED AND THE WEATHER IN
TERRITORY SEPTEMBER 30. OCCASIONAL RAIN AFFECTED THE TERRITORY THROUGHOUT THAT DAY.
THE
DURING THE MONTH OF SEPTEMBER. TWO AIRCRAFT WERE TO ADVERSE WEATHER. THUNDERSTORM WARNINGS
6. 7. SEPTEMBER SEPTEMBER 14.
8.
19-21 17.
28-30. AND
+
7.
THE RED FIRE DANGER
A FLOOD
WARNING
IN
DIVERTED DUE WERE ISSUED ON SEPTEMBER WAS ISSUED ON WARNING
ON EFFECT WAS
WEATHER
SYSTEM
A TOTAL OF SIX TROPICAL CYCLONES OCCURRED DURING THE MONTH. SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
SIGNAL
DATE AND TIME OF HOISTING
DATE AND TIME OF LOWERING
TYPHOON
1
BRIAN
3
SEPTEMBER 30 OCTOBER 1
5.10 PM 3.45 PM
OCTOBER 1 OCTOBER 2
3.45 PM 12 NOON
WINTER MONSOON
STRONG MONSOON
OCTOBER 2
12 NOON
OCTOBER 4
9.45 AM
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
TOTAL BRIGHT SUNSHINE
MEAN DAILY GLOBAL SOLAR RADIATION
TOTAL RAINFALL
MEAN AMOUNT OF CLOUD
MEAN RELATIVE HUMIDITY
MEAN DAILY MAXIMUM AIR TEMPERATURE
175.9 HOURS : 12.6 HOURS BELOW NORMAL
14.85 MJ/SQ. METRE :
228.1 MM
65 PER CENT :
77 PER CENT
30.6 DEGREES : CELSIUS
1.88 MJ/SQ. METRE BELOW NORMAL
92.3 MM BELOW NORMAL
3 PER CENT MORE THAN NORMAL
2 PER CENT LOWER THAN NORMAL
0.1 DEGREE CELSIUS ABOVE NORMAL
/MEAN AIR