DQRID : D160203.19
Start DateStart TimeEnd DateEnd Time
08/15/2011084508/20/20110432
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Subject:
TWP/CSAPR/I10 - RHOHV below acceptable levels at times
DataStreams:twpcsaprsurI10.00, twpcsaprvertI10.00, twpcsaprsecI10.00, twpcsaprrhiI10.00
Description:
RHOHV dropped below acceptable levels (down around 0.10) for periods of time.  
Reflectivity, velocity, and differential reflectivity look OK during this period, but use caution.
Suggestions: 
Measurements:twpcsaprsurI10.00:
  • Unfiltered differential propagation phase shift(dp_phase_shift_unf)
  • Received power in vertical channel, clutter filtered(power_vertical)
  • Unfiltered reflectivity in horizontal polarization(reflectivity_horizontal_unf)
  • Unfiltered received power in vertical channel(power_vertical_unf)
  • Received power in horizontal channel, clutter filtered(power_horizontal)
  • Unfiltered reflectivity in vertical polarization(reflectivity_vertical_unf)
  • Unfiltered differential reflectivity(diff_reflectivity_unf)
  • Clutter filtered reflectivity in horizontal polarization(reflectivity_horizontal)
  • Unfiltered received power in horizontal channel(power_horizontal_unf)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Differential propagation phase shift(dp_phase_shift)
  • Unfiltered Mean Doppler velocity(mean_doppler_velocity_unf)
  • Clutter filtered reflectivity in vertical polarization(reflectivity_vertical)
  • Specific differential phase(diff_phase)
  • Unfiltered specific differential phase(diff_phase_unf)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Unfiltered lag-0 co-polar correlation coefficient(copol_coeff_unf)
  • Unfiltered normalized coherent power(norm_coherent_power_unf)
  • Normalized coherent power, clutter filtered(norm_coherent_power)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Mean doppler velocity(mean_doppler_velocity)
  • Unfiltered Doppler spectral width(doppler_spectral_width_unf)
more
twpcsaprsecI10.00:
  • Unfiltered reflectivity in vertical polarization(reflectivity_vertical_unf)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Specific differential phase(diff_phase)
  • Unfiltered normalized coherent power(norm_coherent_power_unf)
  • Unfiltered differential propagation phase shift(dp_phase_shift_unf)
  • Received power in vertical channel, clutter filtered(power_vertical)
  • Received power in horizontal channel, clutter filtered(power_horizontal)
  • Unfiltered received power in vertical channel(power_vertical_unf)
  • Unfiltered reflectivity in horizontal polarization(reflectivity_horizontal_unf)
  • Unfiltered lag-0 co-polar correlation coefficient(copol_coeff_unf)
  • Unfiltered Mean Doppler velocity(mean_doppler_velocity_unf)
  • Unfiltered differential reflectivity(diff_reflectivity_unf)
  • Unfiltered Doppler spectral width(doppler_spectral_width_unf)
  • Normalized coherent power, clutter filtered(norm_coherent_power)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Clutter filtered reflectivity in vertical polarization(reflectivity_vertical)
  • Clutter filtered reflectivity in horizontal polarization(reflectivity_horizontal)
  • Differential propagation phase shift(dp_phase_shift)
  • Unfiltered received power in horizontal channel(power_horizontal_unf)
  • Mean doppler velocity(mean_doppler_velocity)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Unfiltered specific differential phase(diff_phase_unf)
more
twpcsaprrhiI10.00:
  • Unfiltered normalized coherent power(norm_coherent_power_unf)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Unfiltered differential reflectivity(diff_reflectivity_unf)
  • Unfiltered Doppler spectral width(doppler_spectral_width_unf)
  • Unfiltered reflectivity in vertical polarization(reflectivity_vertical_unf)
  • Azimuth of Radar Ray(azimuth)
  • Clutter filtered reflectivity in vertical polarization(reflectivity_vertical)
  • Normalized coherent power, clutter filtered(norm_coherent_power)
  • Unfiltered received power in vertical channel(power_vertical_unf)
  • Received power in horizontal channel, clutter filtered(power_horizontal)
  • Received power in vertical channel, clutter filtered(power_vertical)
  • Differential propagation phase shift(dp_phase_shift)
  • Clutter filtered reflectivity in horizontal polarization(reflectivity_horizontal)
  • Mean doppler velocity(mean_doppler_velocity)
  • Unfiltered specific differential phase(diff_phase_unf)
  • Unfiltered received power in horizontal channel(power_horizontal_unf)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Unfiltered reflectivity in horizontal polarization(reflectivity_horizontal_unf)
  • Unfiltered differential propagation phase shift(dp_phase_shift_unf)
  • Unfiltered Mean Doppler velocity(mean_doppler_velocity_unf)
  • altitude(altitude)
  • Unfiltered lag-0 co-polar correlation coefficient(copol_coeff_unf)
  • Specific differential phase(diff_phase)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
more
twpcsaprvertI10.00:
  • Unfiltered normalized coherent power(norm_coherent_power_unf)
  • Unfiltered Mean Doppler velocity(mean_doppler_velocity_unf)
  • Normalized coherent power, clutter filtered(norm_coherent_power)
  • Unfiltered received power in vertical channel(power_vertical_unf)
  • Unfiltered differential propagation phase shift(dp_phase_shift_unf)
  • Received power in vertical channel, clutter filtered(power_vertical)
  • Doppler spectral width, clutter filtered(doppler_spectral_width)
  • Differential propagation phase shift(dp_phase_shift)
  • Unfiltered received power in horizontal channel(power_horizontal_unf)
  • Clutter filtered reflectivity in horizontal polarization(reflectivity_horizontal)
  • Clutter filtered reflectivity in vertical polarization(reflectivity_vertical)
  • Specific differential phase(diff_phase)
  • Mean doppler velocity(mean_doppler_velocity)
  • Unfiltered reflectivity in vertical polarization(reflectivity_vertical_unf)
  • Unfiltered specific differential phase(diff_phase_unf)
  • Unfiltered reflectivity in horizontal polarization(reflectivity_horizontal_unf)
  • Unfiltered Doppler spectral width(doppler_spectral_width_unf)
  • Received power in horizontal channel, clutter filtered(power_horizontal)
  • Lag-0 co-polar correlation coefficient, clutter filtered(copol_coeff)
  • Differential reflectivity, clutter filtered(diff_reflectivity)
  • Unfiltered differential reflectivity(diff_reflectivity_unf)
  • Unfiltered lag-0 co-polar correlation coefficient(copol_coeff_unf)
more

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