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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 S-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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25aug2014 KFTG Kd base 2.png

Specific differential propagation phase ($ K_{dp} $) levels peaked at ~8 deg / km in a 1.8 deg elevation angle PPI sweep made by the NWS KFTG radar on 25 August 2014. Similar values were observed by the CSU-CHILL radar. Plots of the data recorded by a tipping bucket rain gauge during the passage of this high $ K_{dp} $ area have been prepared. (Full Article...

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Radial velocities near an outflow boundary Radial velocities near an outflow boundary

CSU-CHILL PPI sector scan at 1.5 deg elevation angle at 2032 UTC on 27 June 2014. Solid black fill depicts the 60 dBZ echo core location. Radial velocities are shown as both a color fill and as radially-oriented vectors. Convergence is implied along the outflow boundary that had propagated ahead of the echo core.

Photo credit: Patrick Kennedy
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