Polarimetric radar observation operator for a cloud model with spectral microphysics

A. Ryzhkov, M. Pinsky, A. Pokrovsky, A. Khain*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

139 Scopus citations

Abstract

The radar observation operator for computation of polarimetric radar variables from the output of numerical cloud models is described in its most generic form. This operator is combined with the Hebrew University of Jerusalem cloud model with spectral microphysics. The model contains 7 classes of hydrometeors and each class is represented by size distribution functions in 43 size bins. The performance of the cloud model and radar observation operator has been evaluated for the case of a hailstorm in Oklahoma on 2 February 2009. It is shown that the retrieved fields of polarimetric radar variables at C and S microwave bands are generally consistent with results of observations. The relationship between microphysical and polarimetric signatures is illustrated.

Original languageAmerican English
Pages (from-to)873-894
Number of pages22
JournalJournal of Applied Meteorology and Climatology
Volume50
Issue number4
DOIs
StatePublished - Apr 2011

Keywords

  • Cloud resolving models
  • Radar observations
  • Spectral models

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