2
SUNDAY, FFERUARY 15, 1987
CONTINUAL REPLENISHMENT OF THE WINTER MONSOON BROUGHT PROGRESSIVELY COLDER CONDITIONS TO HONG KONG OVER THE NEXT THREE DAYS.
IN THE EARLY MORNING OF JANUARY 27 THE LOWEST TEMPERATURE OF THE MONTH - 10.4 DEGREES CELSIUS WAS RECORDED. IT WAS EVEN COLDER IN THE NEW TERRITORIES.
-
THE WEATHER IMPROVED AFTER THIS COLD SPELL AND REMAINED FINE THROUGH THE LUNAR NEW YEAR HOLIDAYS.
TWO TROPICAL CYCLONES DEVELOPED OVER THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA DURING THE MONTH.
NO AIRCRAFT WERE DIVERTED FROM HONG KONG DUE TO ADVERSE
WEATHER IN JANUARY.
THE RED FIRE DANGER WARNING WAS PUT UP FROM JANUARY 12 TO 14 AND FROM JANUARY 25 TO 31, WHILE THE YELLOW WARNING WAS IN EFFECT ON JANUARY 8, 10, 11, 12, 15, 18, 24 AND 25.
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
WEATHER SYSTEM
SIGNAL
DATE AND TIME OF HOISTING
DATE AND TIME OF LOWERING
WINTER
STRONG
JAN 1
8.30 AM
JAN 1
12.05 PM
MONSOON
MONSOON
WINTER
STRONG
JAN 12
6.40 AM
JAN 12
10.00 AM
MONSOON
MONSOON
WINTER
STRONG
JAN 20
9.15 PM
JAN 21
10.00 AM
MONSOON
MONSOON
WINTER
MONSOON
STRONG MONSOON
JAN 23 10.35 PM
JAN 24 10.00 AM
THE MONTH'S FIGURES AND DEPARTURES FROM NORMAL WERE:
SUNS HI NE
RAINFALL
CLOUDINESS
RELATIVE HUMIDITY
183.3 HOURS
=
29.8 HOURS ABOVE NORMAL
12.5 MM
50%
9% LESS THAN NORMAL
14.4 MM BELOW NORMAL
71%
=
NORMAL
/MEAN MAXIMUM