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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 ...
The TCWS system is a tiered system (from TCWS #1 to #5) that allows for the escalation, de-escalation or lifting of wind signals in every TCB issuance depending on the tropical cyclone wind intensity, the extent of tropical cyclone winds (i.e. radius of tropical cyclone wind circulation) and the forecast direction and speed of movement of the ...
winds of 89–117 km/h (48–63 kn; 55–73 mph) are prevailing or expected to occur within 18 hours: TCWS #4 winds of 118–184 km/h (64–99 kn; 73–114 mph) are prevailing or expected to occur within 12 hours: TCWS #5 winds of 185 km/h (100 kn; 115 mph) or greater are prevailing or expected to occur within 12 hours
GRIB (GRIdded Binary or General Regularly-distributed Information in Binary form [1]) is a concise data format commonly used in meteorology to store historical and forecast weather data. It is standardized by the World Meteorological Organization 's Commission for Basic Systems, known under number GRIB FM 92-IX, described in WMO Manual on Codes ...
These wind signals are hoisted when an area (in the Philippines only) is about to be directly affected by tropical cyclone winds. Wind signals for specific areas can be escalated to higher signal levels (and the lead times shortened consequently) as a tropical cyclone gains strength and/or gets closer to the areas about to be affected.
The average year-round temperature measured from all the weather stations in the Philippines, except Baguio, is 26.6 °C (79.9 °F). Cooler days are usually felt in the month of January with temperature averaging at 25.5 °C (77.9 °F) and the warmest days, in the month of May with a mean of 28.3 °C (82.9 °F). [ 1 ]
The Philippine Area of Responsibility (PAR) is an area in the Northwestern Pacific where PAGASA, the Philippines' national meteorological agency, monitors weather occurrences. Significant weather disturbances, specifically tropical cyclones that enter or develop in the PAR, are given Philippine-specific names .
Typhoon Ewiniar, known in the Philippines as Typhoon Aghon, was a fairly strong tropical cyclone that impacted parts of the Philippines, particularly Luzon, in late May 2024. The first named storm and typhoon of the annual typhoon season , Ewiniar emerged from an area of atmospheric convection 441 km (274 mi) southeast of Palau .