3
SUNDAY, JUNE 12, 1988
THE EASTERLIES WEAKENED EARLY ON MAY 25 BUT CLOUDY. WARMER AIR FROM THE SOUTHEAST RESULTED IN CONDITIONS THAT DAY AND EARLY NEXT MORNING.
THE
MISTY
SKY REMAINED AND FOGGY
WITH A TROUGH HONG KONG ON OF
SHOWERS AND THUNDERSTORMS ASSOCIATED PRESSURE NEAR THE SOUTH CHINA COAST AFFECTED CONDITIONS IMPROVED THE NEXT DAY AND, EXCEPT FOR A TRACE ON MAY 27, THE WEATHER WAS MAINLY FINE UNTIL MAY 30.
OF LOW
MAY 26. RAINFALL
OVER
THIS AREA VICINITY
CLOUDINESS INCREASED ON MAY 30 AS AN AREA OF LOW PRESSURE THE NORTHERN PART OF THE SOUTH CHINA SEA MOVED WESTWARDS. OF LOW PRESSURE DEVELOPED INTO A TROPICAL DEPRESSION IN OF DONGSHA AND FURTHER INTENSIFIED INTO A TROPICAL STORM, NAMED SUSAN, DURING THE EVENING.
THE
THE WEATHER ON MAY 31 WAS MAINLY CLOUDY AND SOME HEAVY ALSO OCCURRED THAT EVENING.
SHOWERS
CYCLONE TO
DURING THE MONTH, SUSAN WAS THE ONLY TROPICAL DEVELOP OVER THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA.
PART THEN
SUSAN BEGAN AS AN AREA OF LOW PRESSURE OVER THE NORTHERN OF THE SOUTH CHINA SEA TO THE WEST OF LUZON AROUND MAY 27. IT INTENSIFIED INTO A TROPICAL DEPRESSION ABOUT 380 KILOMETRES SOUTHEAST OF DONGSHA ON THE MORNING OF MAY 30.
INTO
A
MOVE SEVERE
WHILE REMAINING ALMOST STATIONARY, IT FURTHER DEEPENED TROPICAL STORM THAT EVENING. TROPICAL STORM SUSAN BEGAN TO NORTHWESTWARDS SLOWLY ON MAY 31 AND FURTHER INTENSIFIED INTO A TROPICAL STORM.
THE STAND BY SIGNAL NO. 1 WAS HOISTED AT 4.30 PM WHEN WAS ABOUT 560 KILOMETRES SOUTHEAST OF HONG KONG. AT
SUSAN THE END OF THE DAY, IT WAS HEADING NORTH-NORTHWESTWARDS SLOWLY TOWARDS THE CHINA COAST.
SOUTH
DURING THE MONTH, NO AIRCRAFT WAS DIVERTED FROM HONG KONG DUE TO ADVERSE WEATHER. THUNDERSTORM WARNINGS WERE ISSUED ON MAY 5, 9, 10, 11, 12, 22, 24, 26 AND 31.
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
WEATHER SYSTEM
SIGNAL
WINTER MONSOON
STRONG MONSOON
TYPHOON SUSAN
1
DATE AND TIME OF HOISTING
DATE AND TIME
OF LOWERING
MAY 12 8 PM
MAY 31 4.30 PM
MAY 13
10 AM
JUNE 1 9 PM
'THE MONTH'S