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Weather Radar Stations

Published by Office for Coastal Management | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: February 07, 2026 | Last Modified: 2012-09-01T00:00:00.000+00:00
These data represent Next-Generation Radar (NEXRAD) and Terminal Doppler Weather Radar (TDWR) weather radar stations within the US. The NEXRAD radar stations are maintained and operated by the National Oceanic and Atmospheric Administration. The TDWR radar stations are maintained and operated by the Federal Aviation Administration. Both radar's are pulsed Doppler types that measure reflectivity out to 460 km, and radial velocity and spectrum width out to 300 km for NEXRAD and 90 km for TDWR. Both radars automatically scan the atmosphere from the surface to 70,000 feet using a rotating parabolic antenna.

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