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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 rain dance being performed in Harar, Eastern Ethiopia Rain dance, ca. 1920 (from the Potawatomi agency, presumably Prairie Band Potawatomi people) Rainmaking is a weather modification ritual that attempts to invoke rain. It is based on the belief that humans can influence nature, spirits, or the ancestors who withhold or bring rain. [1]
Attempts to bring rain directly have waned with development of the science of meteorology, laws against fraud, and improved weather forecasting, with some exceptions such as cloud seeding and forms of prayer including rain dances, which are still practiced today. Prayers for rain is also a common cultural practice for Christians and Muslims.
Hindi - The common phrases are (1) सूरज पश्चिम से उगा है ("sun has risen from the west") and (2) बिन मौसम की बरसात ("when it rains when it's not the season to rain"). The second one is also used to denote something unexpected/untimely as much as improbable.
The English-language idiom "raining cats and dogs" or "raining dogs and cats" is used to describe particularly heavy rain.It is of unknown etymology and is not necessarily related to the raining animals phenomenon. [1]
Standard rain gauge. The standard way of measuring rainfall or snowfall is the standard rain gauge, which can be found in 10 cm (3.9 in) plastic and 20 cm (7.9 in) metal varieties. [83] The inner cylinder is filled by 2.5 cm (0.98 in) of rain, with overflow flowing into the outer cylinder.
Also actiniform. Describing a collection of low-lying, radially structured clouds with distinct shapes (resembling leaves or wheels in satellite imagery), and typically organized in extensive mesoscale fields over marine environments. They are closely related to and sometimes considered a variant of stratocumulus clouds. actinometer A scientific instrument used to measure the heating power of ...
The probability of precipitation can also be expressed using descriptive terms instead of numerical values. For instance, the NWS might describe a precipitation forecast with terms such as "slight chance" meaning 20% certainty and "scattered" meaning 30–50% areal coverage. [10] The precise meaning of these terms varies. [11]