CSU CHILL

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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

12jun2017 2055 2.4 PPI anot inset.png

CSU-CHILL S-band reflectivity data in a 2.4 degree elevation angle PPI scan at 2055 UTC on 17 June 2017. Inset picture is a photograph taken by a CoCoRaHS observer of an ~1 inch diameter, irregularly-shaped hailstone at ~2058 UTC. Plots of selected S and X-band CSU-CHILL data fields from the hail observation period have been prepared. (Full Article...)

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Reflectivity bands. Reflectivity bands.

Wave motions produced a train of small scale bands in the reflectivity pattern observed by the CSU-CHILL X-band channel at an elevation angle of 5 deg as snow developed on 4 January 2017.

Photo credit: Patrick Kennedy
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