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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 ...
Cite a PAGASA Severe Weather Bulletin, Tropical Cyclone Bulletin, or Tropical Cyclone Advisory. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Date date The date that the bulletin was issued Date required Name name The local name, if this is a SWB, or the international name, if this is a TCA. Example Yolanda ...
Furthermore, PAGASA provides names earlier when a low-pressure area becomes a tropical depression, in contrast to international names that are only issued when a tropical cyclone reaches tropical storm strength (65 km/h and higher), due to the fact that tropical depressions can still cause flooding and other damage.
Monsoons are large-scale sea breezes which occur when the temperature on land is significantly warmer or cooler than the temperature of the ocean. Most summer monsoons or southwest monsoons (Filipino: Habagat) have a dominant westerly component and a strong tendency to ascend and produce copious amounts of rain (because of the condensation of water vapor in the rising air).
The storm's rainfall also prompted PAGASA to declare the start of the 2020 Philippine rainy season on June 12. [33] Typhoon Goni (Rolly) at peak intensity near Catanduanes on November 1, 2020. July 13–14, 2020: Tropical Depression Carina brought heavy rainfall which led to Tropical Cyclone Signal No. 1 being raised over the Babuyan Islands ...
NWP refers to the simulation and prediction of the atmosphere with a computer model, and WRF is a set of software for this. WRF features two dynamical (computational) cores (or solvers), a data assimilation system, and a software architecture allowing for parallel computation and system extensibility. The model serves a wide range of ...
The tropical zones have the highest number of storm events followed by the temperate climate. In a recent study, [13] researchers from 63 countries combined 30-minutes rainfall data in order to estimate the global rainfall erosivity (an index combining the amount, frequency and intensity of rainfall). The arid and cold climate zones have very ...
[3] [4] Over the next day the depression gradually developed further and was named Seniang by PAGASA as it moved northwesterly along a ridge of high pressure, while atmospheric convection wrapped into the system's low level circulation centre. [5] [6] Both the JTWC and PAGASA upgraded the depression to a tropical storm late on the same day.