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National Weather Radar Facility
The CSU-CHILL National Weather Radar Facility, located in Greeley, CO, is an advanced, transportable dual-polarized dual-wavelength (S- and X-band) weather radar system. The facility is operated by Colorado State University, under the sponsorship of the National Science Foundation and the University.

Featured Article

1oct2014 2029 NWS vr anot.png

CSU-CHILL radial velocity data in a low elevation angle surveillance scan taken as a well-defined cold front approached the radar site from the northwest on 1 October 2014. Time lapse loops of the reflectivity and radial velocity data recorded during this frontal passage have been assembled. (Full Article...)

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RHI scan through a thunderstorm producing heavy rain RHI scan through a thunderstorm producing heavy rain

CSU-CHILL RHI scan through a strong thunderstorm approaching the town of Windsor, Colorado on 29 July 2014. One-way specific differential propagation phase values of up to 5 deg / km indicate the presence of intense (~5 in / hr) rain rates. Localized flooding was reported in Windsor.

Photo credit: Patrick Kennedy
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