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A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain or squalls.
The term "squall" is used to refer to a sudden wind-speed increase lasting minutes. In 1962 the World Meteorological Organization (WMO) defined that to be classified as a "squall", the wind must increase at least 8 metres per second (29 km/h; 18 mph) and must attain a top speed of at least 11 metres per second (40 km/h; 25 mph), lasting at least one minute in duration.
The outlook will include information about any potential hazards to life, property or travel (severe or strong thunderstorms, heavy rain or flooding, winter weather, tropical cyclones, extremes of heat or cold, and/or fire weather conditions) that may take place over the next seven days with an emphasis on the first 24 hours of the forecast.
Precipitation is measured using a rain gauge, and more recently remote sensing techniques such as a weather radar. When classified according to the rate of precipitation, rain can be divided into categories. Light rain describes rainfall which falls at a rate of between a trace and 2.5 millimetres (0.098 in) per hour. Moderate rain describes ...
A virga, also called a dry storm, is an observable streak or shaft of precipitation that evaporates or sublimates before reaching the ground. [1] A shaft of precipitation that does not evaporate before reaching the ground is known in meteorology as a precipitation shaft.
Hindustani, also known as Hindi-Urdu, like all Indo-Aryan languages, has a core base of Sanskrit-derived vocabulary, which it gained through Prakrit. [1] As such the standardized registers of the Hindustani language (Hindi-Urdu) share a common vocabulary, especially on the colloquial level. [ 2 ]
Rain often fails to reach the ground level as it evaporates in the hot, dry air—a phenomenon known as virga). The evaporation process further chills the rushing air and propels it forward. In some instances, persistent rain may carry a significant amount of dust, leading to what is termed as mud storms in severe cases.
A record-breaking 274 millimetres (10.8 in) of rain fell in Peshawar in 24 hours; [64] previously 187 millimetres (7.4 in) of rain was recorded in April 2009. [41] Other record-breaking rains were recorded in Risalpur, Cherat, Saidu Sharif, Mianwali, and Kohat regions of Khyber Pakhtunkhwa.