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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.
An intensity-duration-frequency curve (IDF curve) is a mathematical function that relates the intensity of an event (e.g. rainfall) with its duration and frequency of occurrence. [1] Frequency is the inverse of the probability of occurrence. These curves are commonly used in hydrology for flood forecasting and civil engineering for urban ...
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 ...
Climate map of the Philippines based on the Modified Coronas' Climate Classification, based on the type of rainfall distribution during the 1951–2010 period. PAGASA monitors daily rainfall and temperature data together with monthly observation of standard precipitation index, soil moisture, runoff and vegetation. [18]
Climate map of the Philippines based on the Modified Coronas' Climate Classification, based on the type of rainfall distribution during the 1951-2021 period. Evening thunderstorms bringing rain over the Philippines is common from March to September.
The JMA reported that Bebinca reached its peak intensity at 00:00 UTC on September 15 with 10-minute sustained winds of 140 km/h (85 mph) and a central pressure of 965 hPa (28.50 inHg), [184] before eventually peaking at Category 1-equivalent intensity on the Saffir-Simpson scale with 1-minute sustained winds of 140 km/h (85 mph). [185]
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 ...
By the next day, Mawar reached its peak intensity, attaining 1-minute sustained winds of 305 km/h (190 mph) according to the JTWC, which is equivalent to Category 5 strength on the SSHWS. [28] It also had 10-minute sustained winds of 215 km/h (130 mph) and a minimum central barometric pressure of 900 hPa (26.58 inHg) which was assessed by the ...