Ondoy's flood worst in history PAGASA
By RIO ROSE RIBAYA
September 27, 2009, 11:45am
The Philippine Atmospheric, Geophysical,
and Astronomical Services,
Administration (PAGASA) said Saturday
that the unexpected flood
in Metro Manila
was the worst one
ever recorded in history.
While Dr. Nathaniel Cruz,
PAGASA director, said
that yesterday's flood was the worst
in history,
he added
that the amount of rainfall dumped yesterday
is expected to surpass
the 1967 record
and this month's average.
Citing PAGASA records,
Cruz said
that a total 341.3 mm amount of rainfall had been dumped
in Quezon City
from 8 a.m. to 2 p.m. last Saturday,
just six hours
following the actual landfall
of Tropical Storm "Ondoy"
in Central and Southern Luzon provinces.
The 24-hour amount of rainfall
is expected to overtake
the 344 mm level
recorded on a 24-hour period on June 7, 1967.
After expecting the tropical cyclone
to bring stormy weather
in most parts of Luzon until today,
the top PAGASA official said
the level of rainfall is also expected
to even surpass 391.7 mm average rainfall
in Quezon City
for the entire month of September.
He also explained
that Tropical Storm "Ondoy,"
which was expected to move
towards the South China Sea away
from the Philippine area of responsibility
early this morning,
could double
or at least increase
the amount of rainfall
in the next 12 hours.
Cruz added
that "Ondoy," which was last spotted
over Pampanga province
as of 5 p.m. yesterday,
also dumped unusually
high amounts of rainfall
over Bulacan
that prompted PAGASA to release
175 cubic meter of water
each second from Angat
when it reached
its critical level
at 1 p.m. on Saturday.
"Ondoy" was last spotted
over the vicinity of Pampanga
while packing maximum winds of 85 kph
near the center
and a gustiness of 100 kph
that prompted PAGASA
to raise storm signals
in 20 provinces in the regions of Cagayan, Bicol
as well as Central and Southern Luzon.
Public Warning Storm Signal No.2
was hoisted
over Bulacan, Tarlac, Pampanga, Zambales, Nueva Ecija, Rizal,
and Northern Quezon,
while the lowest storm signal was declared
over La Union, Nueva Viscaya, Benguet, Quirino, Aurora, Bataan, Laguna, Cavite, Batangas, the rest of Quezon,
including Polilio Island and Metro Manila.
PAGASA advised
residents living along the coasts of provinces
under Public Warning Signal No. 1 and 2
to be on alert
against big waves
generated by Tropical Storm "Ondoy,"
which could still trigger
more flashfloods and landslides.
Slowing its northwestward movement
from 19 kph to 13 kph,
the storm was expected
to cross Pampanga to Zambales tonight
and reach the South China Sea
at about 230 kilometers west northwest of Iba, Zambales
this morning
or at about 190 kilometers northwest of the town
by Sunday afternoon.
Cruz clarified
that there would only be
a gradual improvement of weather today
as the storm has been expected
to continue enhancing
the Southwest monsoon,
which will keep bringing rains
over Central and Southern Luzon provinces
as well as the Visayas region.
In a gale warning
posted at 5 p.m. yesterday,
PAGASA said
that the storm will bring occasional rains
with gusty winds of 55 to 75 kph
that will make the sea condition
the seaboards of Southern Luzon rough
to very rough with big waves
as high as 3.7 to 6.5 meters.
PAGASA added
that the seaboard of Mindanao will have cloudy skies
with scattered rain showers
and thunderstorms
with gusty winds of 55 to 67 kph
that will make the sea conditions rough
to very with big waves
as high as 3.7 to 4.5 meters.
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