Plain English Meaning
A network of advanced weather radars that scan the skies for rain, snow, thunderstorms, and dangerous wind patterns. The radar bounces signals off precipitation and uses the returns to show not just where the weather is, but how fast and which direction it’s moving.
Full Definition
A network of high-power Doppler weather radars operated by the National Weather Service, the FAA, and the U.S. military, forming the core of the NEXRAD (Next Generation Weather Radar) system. Each WSR-88D site transmits pulses of microwave energy and analyzes the returned signals to , movement, and internal motion within storms, including , , and .