23
THURSDAY, MAY 20, 1993
WAS
AGAINST SUCH A STORMY BACKGROUND, THE ACTUAL SURPRISINGLY
SCARCE.
RAINFALL AMOUNT
IT WAS NOT UNTIL THE FOLLOWING NIGHT THAT TORRENTIAL RAIN STARTED TO AFFECT THE TERRITORY.
NORTH
NO TROPICAL CYCLONE ACTIVITY WAS OBSERVED OVER THE WESTERN PACIFIC AND THE SOUTH CHINA SEA IN APRIL.
SEVEN AIRCRAFT WERE DIVERTED DURING THE MONTH, MOSTLY AS A RESULT OF FOGGY CONDITIONS EARLY ON APRIL 3.
OF
DETAILS OF THE ISSUANCE/HOISTING AND CANCELLATION/LOWERING VARIOUS WARNINGS/SIGNALS IN THE MONTH ARE SUMMARISED IN TABLE 1.1.
MONTHLY METEOROLOGICAL FIGURES AND DEPARTURES FROM NORMAL ARE TABULATED IN TABLE 1.2.
TABLE 1.1 WARNINGS AND SIGNALS IN APRIL 1993
WARNINGS / SIGNALS
EFFECTIVE DATE AND TIME
STRONG MONSOON SIGNALS
APR 5 0600
APR 5 1400
APR 11 2300
APR 12 0740
APR 12 2300
APR 13 0750
APR 25 1605
-
APR 26 0915
RAINSTORM ALERT/WARNINGS
GREEN
APR 20 1130
-
APR 22 0845
FLOOD WARNING
APR 20 1530
—
APR 20 2100
THUNDERSTORM WARNINGS
APR 7 2025 APR 17 2305
APR 8 0700
APR 18 0800
APR 20 1130
—
APR 20 2100
APR 20 2300
APR 22 2300 APR 23 1500 APR 25 2040
-
APR 21 1530
APR 23 0700
APR 23 1900
-
APR 26 0630
APR 27 1005 APR 27 1530
APR 27 1305
APR 29 0030
APR 29 0945 APR 29 1925
T
APR 27 1930
APR 29 0630
APR 29 1345
APR 30 0630
FIRE DANGER WARNINGS
YELLOW
APR
4 0600
APR
5 1800
/TABLE 1.2