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How does radar detect precipitation particles?

April 26, 2017detect particles precipitation radar

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How does radar detect precipitation particles?

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Radar sends out a certain wavelength of electromagnetic radiation. This electromagnetic radiation is of the longwave variety and therefore will not damage the environment. The energy emitted from the radar travels at about the speed of light as does all electromagnetic radiation. The speed of light is 299,800,000 m/s. With this speed, radar can sample hydrometeors during one pulse in a small fraction of a second. Radar can typically send and receive radiation between 200 and 3,000 times in one second. The number of pulses radar sends out is called the Pulse Repetition Frequency.