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PAGASA's TCWS system is activated when a tropical cyclone is inside or near the Philippine Area of Responsibility and is forecast to affect the Philippine archipelago. It is a tiered system with five numbered levels, with higher numbers associated with higher wind speeds and shorter "lead times", which are periods within which an expected range ...
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 ...
The simplest method of forecasting the weather, persistence, relies upon today's conditions to forecast tomorrow's. This can be valid when the weather achieves a steady state, such as during the summer season in the tropics. This method strongly depends upon the presence of a stagnant weather pattern.
The first forecast was released by PAGASA on January 13, 2023, in their monthly seasonal climate outlook predicting the first half of 2023. They predicted that only 0–2 tropical cyclones were expected to form or enter the Philippine Area of Responsibility between January and March, while 2–4 tropical cyclones are expected to form between ...
PAGASA names tropical cyclones which are active in their area of responsibility located between 135°E and 115°E and between 5°N and 25°N even if the cyclone has already been named. [376] If the list of names for the Philippine region are exhausted, then names will be taken from an auxiliary list of which the first ten are published each season.
The Philippines is a typhoon-prone country, with approximately twenty tropical cyclones entering its area of responsibility per year. Locally known generally as bagyo (), [3] typhoons regularly form in the Philippine Sea and less often, in the South China Sea, with the months of June to September being the most active, August being the month with the most activity.
Philippine Atmospheric, Geophysical and Astronomical Services Administration PAGASA; Thai Meteorological Department; Meteorological Service of New Zealand Limited; Meteorology, Climatology, and Geophysical Agency ; National Institute of Water and Atmospheric Research (New Zealand) Malaysian Meteorological Department MetMalaysia
Hinnamor then exited the PAR at 01:30 PHT September 4 (17:30 UTC September 3), and the PAGASA issued their final bulletin for the system at 05:00 PHT (21:00 UTC September 3) on the same day. [33] The system re-strengthened again to Category 3-equivalent typhoon as it strengthened, with deep convection becoming more symmetric on September 4. [34]