pyrad.proc.process_zdr_precip#

pyrad.proc.process_zdr_precip(procstatus, dscfg, radar_list=None)[source]#

Keeps only suitable data to evaluate the differential reflectivity in moderate rain or precipitation (for vertical scans)

Parameters:

  • procstatus (int) – Processing status: 0 initializing, 1 processing volume, 2 post-processing

  • dscfg (dictionary of dictionaries) –

    data set configuration. Accepted Configuration Keywords:

    datatype : list of strings. Dataset keyword
    The input data types, must contain
    "dBZ" or "dBZc", and,
    "ZDR" or "ZDRc", and,
    "PhiDP" or "PhiDPc", and,
    "uRhoHV" or "RhoHV" or "RhoHVc", and,
    "TEMP" (Optional), and,
    "H_ISO0" (Optional)
ml_filter : boolean. Dataset keyword
    indicates if a filter on data in and above the melting layer is
    applied. Default True.
rmin : float. Dataset keyword
    minimum range where to look for rain [m]. Default 1000.
rmax : float. Dataset keyword
    maximum range where to look for rain [m]. Default 50000.
Zmin : float. Dataset keyword
    minimum reflectivity to consider the bin as precipitation [dBZ].
    Default 20.
Zmax : float. Dataset keyword
    maximum reflectivity to consider the bin as precipitation [dBZ]
    Default 22.
RhoHVmin : float. Dataset keyword
    minimum RhoHV to consider the bin as precipitation
    Default 0.97
PhiDPmax : float. Dataset keyword
    maximum PhiDP to consider the bin as precipitation [deg]
    Default 10.
elmax : float. Dataset keyword
    maximum elevation angle where to look for precipitation [deg]
    Default None.
ml_thickness : float. Dataset keyword
    assumed thickness of the melting layer. Default 700.
fzl : float. Dataset keyword
    The default freezing level height. It will be used if no
    temperature field name is specified or the temperature field is
    not in the radar object. Default 2000.
sounding : str. Dataset keyword
    The nearest radiosounding WMO code (5 int digits). It will be used to
    compute the freezing level, if no temperature field name is specified,
    if the temperature field isin the radar object or if no freezing_level
    is explicitely defined.

  • radar_list (list of Radar objects) – Optional. list of radar objects

Returns:

  • new_dataset (dict) – dictionary containing the output field “ZDR_prec”

  • ind_rad (int) – radar index