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(Next Generation Weather Radar)

A network of pulsed Doppler radar units installed by the United States’ National Weather Service to provide quantitative data on precipitation, wind speeds and direction, and other factors. The system is specifically designed to monitor severe weather and dangerous situations, to track storms, and to give early warning of potentially damaging hail, flooding, and extreme wind speeds (including tornadoes). Velocities may be determined to distances of about 200 km, and precipitation to about 450 km.

Subjects: Meteorology and Climatology.

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