13.
THURSDAY, NOVEMBER 12, 1987
DROPPED
DURING THE EARLY MORNING OF OCTOBER 26 THE TEMPERATURE
AUTUMN. WITH LYNN TO 19.7 DEGREES, WHICH WAS THE LOWEST SO FAR THIS
THREAT TO HONG кона, THE WEAKENING FURTHER AND NO LONGER POSING A
THE WEATHER STAND BY SIGNAL NO. 1 WAS LOWERED AT 4 PM ON OCTOBER 26. THAT DAY REMAINED CLOUDY.
AND
AN ARRA OF LOW PRESSURE ALTHOUGH LYNN WEAKENED TO
IN THE SHOWERS AND ISOLATED THUNDERSTORMS AFTERNOON OF OCTOBER 27, ASSOCIATED WITH ITS REMNANT AFFECTED HONG KONG BETWEEN OCTOBER 27
THE RAINFALL FOR THE 29. THIS RAIN EPISODE CONTRIBUTED TO MOST OF MONTH.
FINAL
DISSIPATION OF
THE
REMNANT
OF
LYNN,
THE
AFTER THE
THE WEATHER TURNED FINE ON OCTOBER 30. HOWEVER, ANOTHER WEAK SURGE OF
AND INTERMITTENT LIGHT RAIN NORTHEAST MONSOON BROUGHT CLOUDY SKIES
OF THE OVERNIGHT ON OCTOBER 30. SUCH CONDITIONS LASTED UNTIL THE END MONTH.
A TOTAL OF FIVE TROPICAL CYCLONES
OCCURRED OVER THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA DURING OCTOBER.
DURING OCTOBER, NO AIRCRAFT WAS DIVERTED FROM HONG KONG DUE 3. ADVERSE WEATHER. THUNDERSTORM WARNINGS WERE ISSUED ON OCTOBER
ON OCTOBER 15 AND 29. THE RED FIRE DANGER WARNING WAS IN EFFECT AND 31. THE YELLOW FIRE DANGER WARNING WAS IN EFFECT ON OCTOBER 7, 11, 17, 18, 24 AND 25.
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
TO
8,
25
Br
WEATHER
SYSTEM
SIGNAL.
DATE AND TIME OF HOISTING
DATE AND
TIME
OF LOWERING
TYPHOON LYNN
1
3
1
OCTOBER 23 OCTOBER 24 OCTOBER 25
11 PM 5 AM 3 PM
6 AM OCTOBER 24 OCTOBER 25 3 PM OCTOBER 26 4 PM
WINTER MONSOON
STRONG MONSOON
OCTOBER 28
OCTOBER 28
12 NOON
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
4.47 AM
SUNSHINE
176.3 HOURS
;
33.6 NORMAL
HOURS
BELOW
2.38
GLOBAL SOLAR RADIATION
13.54 METRE
MJ/SQUARE
RAINFALL
72.7 MM
MJ/SQUARE METRE
BELOW NORMAL
48.5 MM BELOW NORMAL
/CLOUDINESS