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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

ZDRArc Featured Plot.png

CSU-CHILL Zdr data observed in a tornadic supercell thunderstorm on 7 May2016. Regions of enhanced Zdr appeared during the formation of the hook echo, and throughout the evolution of the supercell. Annotation arrows mark enhancements in the inflow region (Zdr arc), and along the outflow boundary. (Full Article...)

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Colliding thunderstorm outflows. Colliding thunderstorm outflows.

Opposing CSU-CHILL radial velocities (plotted as vectors) mark the line where outflows from two separate thunderstorm clusters have collided.

Photo credit: Patrick Kennedy
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