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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 effects of El Niño on rainfall in southern Africa differ between the summer and winter rainfall areas. Winter rainfall areas tend to get higher rainfall than normal and summer rainfall areas tend to get less rain. The effect on the summer rainfall areas is stronger and has led to severe drought in strong El Niño events. [174] [175]
El Niño is a natural climate event caused by the Southern Oscillation, popularly known as El Niño or also in meteorological circles as El Niño-Southern Oscillation or ENSO, [6] through which global warming of the eastern equatorial Pacific Ocean results in the development of unusually warm waters between the coast of South America and the ...
In El Niño years, NOAA says, rain clouds form over the warm ocean water and move inland, dropping more rain than usual in South and Central America and the U.S.
TCWS #1 winds of 39–61 km/h (21–33 kn; 24–38 mph) are prevailing or expected to occur within 36 hours: TCWS #2 winds of 62–88 km/h (33–48 kn; 39–55 mph) are prevailing or expected to occur within 24 hours
Weakening sea surface temperature anomalies in the tropical Pacific in early 2023 associated with the end of the La Niña event. The 2020–2023 La Niña event was unusual in that it featured three consecutive years of La Niña conditions (also called a "triple-dip" La Niña) in contrast to the typical 9–12 month cycles of the El Niño–Southern Oscillation (ENSO), [3] though the magnitude ...
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 TCWS system is the consequence of decades of evolution of early warning systems for tropical cyclones in the Philippines. The first tropical cyclone warning in the country was issued in July 1879. In 1931, the earliest formalized warning system for tropical cyclones was implemented by PAGASA's predecessor, the Philippine Weather Bureau. [5]