5
MONDAY, JUNE 1', 1990
A LULL IN THE EASTERLIES RESULTED IN A BRIGHTER DAY ON MAY 28.
CLOUDS
ALSO EASTERLIES SUBSIDED
DAY AND THE THE WINDS FRESHENED AGAIN THE NEXT RETURN' D. AFTER SOME MORNING RAIN ON MAY 30, THE AND THE WEATHER TURNED BRIGHTER.
SUNNY CONDITION ON MAY 31 CAUSED THE TEMPERATURE TO CLIMB TO MAXIMUM OF 30.7 DEGREES, THE HIGHEST FOR THE MONTH AND THE HOTTEST FAR THIS YEAR.
A
30
WERE WARNINGS DANGER WARNING
CYCLONES OCCURRED OVER DURING THE MONTH OF MAY, TWO TROPICAL THE WESTERN NORTH PACIFIC AND THE SOUTH CHINA SEA. TWO AIRCRAFT
MONTH. THUNDERSTORM DIVERTED DUE TO ADVERSE WEATHER IN THE WERE ISSUED FOR MAY 3, 7 WAS IN EFFECT ON MAY 5.
WEATHER SYSTEM
4 9, 12 AND 13. A YELLOW FIRE
SIGNALS HOISTED DURING THE MONTH WERE AS FOLLOWS:
SIGNAL
DATE & TIME
OF HOISTING
DATE & TIME
OF LOWERING
TYPHOON
MARIAN
1 3
MAY 17 3.45 PM MAY 18 5 AM
MAY 18 5 AM MAY 18 6.15 PM
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
146.5 HOURS; 16.1 HOURS
BELOW NORMAL
15.00 MJ/SQ. METRE 1.48 MJ/SQ. METRE
BELOW NORMAL
102.4 MM; 195.7 MM BELOW NORMAL
73 PER CENT; NORMAL
82 PER CENT ; 1 PER CENT
LOWER THAN NORMAL
MEAN DAILY MAXIMUM AIR TEMPERATURE
MEAN AIR TEMPERATURE
MEAN DAILY MINIMUM AIR TEMPERATURE
MEAN DEW POINT
TOTAL EVAPORATION
27.2 DEGREES CELSIUS ;
1.7 DEGREES CELSIUS BELOW NORMAL
24.6 DEGREES CELSIUS; 1.3 DEGREES CELSIUS
BELOW NORMAL
22.7 DEGREES CELSIUS ;
21.2 DEGREES CELSIUS ;
1.2 DEGREES CELSIUS BELOW NORMAL
1.5 DEGREES CELSIUS ABOVE NORMAL
96.4 MM; 47.0 MM BELOW NORMAL
/6
No comments yet.
Private notes are available after approval.