Rain-rate estimation in the presence of hail using S-band specific differential phase and other radar parameters
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Multiparameter radar measurements were made during a heavy rainfall event accompanied by hail in Colorado. Rainfall rates Rand accumulation Σ for this event were estimated using S-band specific differential phase KDP, reflectivity factor Zh, and X-band specific attenuation AH3. These estimates were compared with measurements from a ground-based rain gauge. Both R-KDP and R-AH3 relations were in good agreement with the rain gauge data, that is, less than 10% difference in the rainfall accumulations. The R-Z relation produced similar results only when ZH was truncated at 55 dBZ. This study ...