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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

4jun2015 0037 Elizabeth 2.5 z.png

Low elevation angle reflectivity data collected by the CSU-CHILL radar from a severe thunderstorm located near Elizabeth, Colorado (red underbar) at 0038 UTC on 4 June 2015. The overshooting top activity that occurred in the upper levels of this thunderstorm have been documented using plots of radar and GOES satellite data. (Full Article...)

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Enhanced LDR in a PPI scan through hail. Enhanced LDR in a PPI scan through hail.

Linear Depolarization Ratio (LDR) values observed by the CSU-CHILL radar at 3 GHZ (S-Band) exceed -15 dB in an area of hail located just east of the radar at ~2147 UTC on 16 August 2015. Spotter reports of one inch diameter hail were received near 2200 UTC

Photo credit: Patrick Kennedy
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