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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Dual polarization data were collected with the NASA N-Pol radar while blizzard conditions existed on 26 March 2009. This example N-Pol 4.1 degree elevation angle PPI image demonstrates an asymmetric pattern with a larger phase accumulation (darker colors) developing in the western azimuth sector.
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CSU-CHILL RHI scan showing a mid-level rear inflow jet (RIJ) impacting a convective echo system. The leading edge of the RIJ often descends to the surface where it can enhance the local production of strong winds.
