Terminal Doppler Weather Radar (TDWR) Stations

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The Terminal Doppler Weather Radar (TDWR) network is a Doppler weather radar system used primarily for the detection of hazardous wind shear conditions, precipitation, and winds aloft on and near major airports situated in climates with great exposure to thunderstorms in the United States. NCEI archives the derived products (called Level III), which are in the same data format as Next Generation Weather Radar (NEXRAD) Level III. NCEI does not archive the base data (called Level II).