CSU CHILL

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.

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Low elevation angle PPI scans detected many aircraft targets in the vicinity of Denver International Airport on 16 March 2011. The echoes received from aircraft are generally considered to be a corrupting factor in meteorological analyses of radar data. (more)

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High Rain Rates

Specific differential propagation phase ($ K_{dp} $) values of several degrees per km were observed in heavy thunderstorm precipitation over Denver on 3 July 2009. The two panel image shows $ Z_h $ and the one hour rainfall totals observed by the Denver Urban Drainage and Flood Control District gauge network.

Photo credit: Pat Kennedy
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