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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

8jun2017 0053 41az rhi anot.png

CSU-CHILL S-band radial velocities in an RHI scan through an approaching cold pool. The depth of the cold air, based on the inbound (green) radial velocities, varies in the vicinity of a convective shower. Image loops of this propagating cold pool, and some associated shower activity, have been prepared. (Full Article...)

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Tornadic mesocyclone. Tornadic mesocyclone.

Cyclonic rotation associated with a thunderstorm echo appendage is indicated in a low elevation PPI scan done by the CSU-CHILL radar on 12 June 2017. Reports of both tornadoes and funnel clouds were received from the Hereford, Colorado area near the time of this PPI scan. (Tornado picture downloaded from the NWS Denver-Boulder web page.)

Photo credit: Patrick Kennedy and Michael Charnick
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