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Understanding US Doppler Radar: How the National Weather Service Monitors Our Skies

"The term "US Doppler radar" refers to the backbone of meteorological observation in the United States: the WSR-88D, or Weather Surveillance Radar-1988 Doppler. Operated primarily by the National Weather Service (NWS), the Federal Aviation Administration (FAA), and the Department of Defense (DoD), this network of 160 high-resolution radar systems provides the real-time data necessary for public safety, aviation navigation, and climate research. Unlike traditional radar that only detects an object's location, Doppler radar utilizes the Doppler effect to measure the velocity and direction of hydrometeors—raindrops, snowflakes, and hail—as they m..."

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