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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CSU-CHILL RHI scan through a thunderstorm precipitation shaft. Dual polarization fields show that hailstones were melting into raindrops inside the circled region.
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Enhanced return signal depolarization associated with the melting level in an RHI scan. Surface observers in the high LDR areas reported large, wet, aggregated snow particles.
