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The Philippine Atmospheric, Geophysical and Astronomical Services Administration (Filipino: Pangasiwaan ng Pilipinas sa Serbisyong Atmosperiko, Heopisiko at Astronomiko, [4] abbreviated as PAGASA, which means "hope" as in the Tagalog word pag-asa) is the National Meteorological and Hydrological Services (NMHS) agency of the Philippines mandated to provide protection against natural calamities ...
A flood warning is closely linked to the task of flood forecasting.The distinction between the two is that the outcome of flood forecasting is a set of forecast time-profiles of channel flows or river levels at various locations, while "flood warning" is the task of making use of these forecasts to make decisions about whether warnings of floods should be issued to the general public or ...
The TCAD, is located between the PAR and the TCID. TCAD tropical cyclones are too far to have any direct effect to the country but are close enough for monitoring by the PAGASA and prompts the agency to issue a Tropical Cyclone Advisory (a less serious form of tropical cyclone bulletin than the Tropical Cyclone Bulletin).
A flood in 1898 also severely affected the area, creating a lake from the riverbank to Asylum Hill, location of the Columbus State Hospital. [ 2 ] Among about 10 floods between 1798 and 1898, a series of levees was constructed, mostly 30 feet wide and 15 feet tall.
Whenever a tropical cyclone forms inside or enters the Philippine Area of Responsibility (PAR), the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) commences the release of Tropical Cyclone Bulletins (TCB) to inform the general public of the cyclone's location, intensity, movement, circulation radius and its forecast track and intensity for at most 72 hours.
Flood forecasting is an important component of flood warning, where the distinction between the two is that the outcome of flood forecasting is a set of forecast time-profiles of channel flows or river levels at various locations, while "flood warning" is the task of making use of these forecasts to tell decisions on warnings of floods.
The Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA) said in a statement that the widespread rains were triggered by the shear line collision located within the regions of Visayas and Mindanao.
September 8, 2009: Tropical Depression Maring prompts the PAGASA to raise a Tropical Cyclone Signal No. 1 over the Ilocos Region, whilst a 48-hour rainfall was recorded over in Metro Manila. September 12–13, 2009: Tropical Storm Koppu (Nando) brings a 48-hour rainfall over Luzon and a 24-hour rainfall in Visayas and Mindanao .
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