Polarimetric measurements in a severe hailstorm

D. S. Zrnic, V. N. Bringi, N. Balakrishnan, K. Aydin, V. Chandrasekar, J. Hubbert

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    38 Scopus citations

    Abstract

    This study explores the utility of polarimetric measurements for discriminating between hydrometeor types with the emphasis on (1) hail detection and discrimination of its size, (b) measurement of heavy precipitation, (c) identification and quantification of mixed-phase hydrometeors, and (d) discrimination of ice forms. In particular, we examine the specific differential phase, the backscatter differential phase, the correlation coefficient between vertically and horizontally polarized waves, and the differential reflectivity, collected from a storm at close range. Three range-height cross sections are analyzed together with complentary data from a prototype WSR-88D radar. The case is interesting because it demonstrates the complementary nature of these polarimetric measurands. Self-consistency among them allows qualitative and some quantitative discrimination between hydrometeors. -Authors

    Original languageEnglish (US)
    Pages (from-to)2223-2238
    Number of pages16
    JournalMonthly Weather Review
    Volume121
    Issue number8
    DOIs
    StatePublished - 1993

    All Science Journal Classification (ASJC) codes

    • Atmospheric Science

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