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Measurement : Radar reflectivity

A measure of the efficiency of a radar target in intercepting and returning radio energy. It depends upon the size, shape, aspect, and dielectric properties of that target.

Categories
Cloud Properties

Instruments

The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes.

• ARM Instruments
  • CSAPR : C-Band ARM Precipitation Radar
  • DISDROMETER : Impact Disdrometer
  • KAZR : Ka ARM Zenith Radar
  • KASACR : Ka-Band Scanning ARM Cloud Radar
  • MMCR : Millimeter Wavelength Cloud Radar
  • RWP : Radar Wind Profiler
  • WSACR : Scanning ARM Cloud Radar, tuned to W-Band (95GHz)
  • WACR : W-Band (95 GHz) ARM Cloud Radar
  • SWACR : W-Band (95 GHz) ARM Cloud Radar, mounted to scan
  • XSACR : X-Band Scanning ARM Cloud Radar
  • XSAPR : X-Band Scanning ARM Precipitation Radar
• External Instruments
  • CPOL : C-Band Polarimetric Radar
• Field Campaign Instruments
  • MMCR94-AIR : 94 GHz, W-band Airborne Cloud Radar
  • ACR-JPL : Airborne Cloud Radar - JPL
  • LMWRR-AIR : Airborne L-band Microwave Radiometer and Radar
  • DISDROMETER : Impact Disdrometer
  • MIRAI : JAMSTEC Research Vessel Mirai
  • MMCR : Millimeter Wavelength Cloud Radar
  • NPOL : NASA N-POL Polarimetric Radar System
  • RONBROWN : NOAA Research Vessel Ron Brown
  • S-BAND-PROFILER : NOAA S-band (2835 Mhz) Profiler
  • NAWX : NRC Airborne W and X Band Radar
  • ISLAND-GUEST-INSTRUMENTS : Nauru Island guest instruments
  • MMCR94PSU : Penn State 94GHz MMCR
  • RWP : Radar Wind Profiler
  • UMASSCPRS : University of Massachusetts Cloud Profiling Radar System
  • MMCR94MIAMI : University of Miami 94GHz MMCR

Value-Added Products

• MMCRMODE : MMCR mode moments, derived by ARSCL process (Process)
  • MMCRMODE1ST200309091CLOTH : ARSCL: derived, MMCR Mode 1 (status mode) moments
  • MMCRMODE2CI200309091CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments
  • MMCRMODE4RO200309091CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments
  • MMCRMODE3GE200309091CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments
  • MMCRMODE3GE200712011CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (2/97)
  • MMCRMODE01V0021CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (3/97)
  • MMCRMODE01V0031CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (2/97)
  • MMCRMODE03V0011CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (3/97)
  • MMCRMODE03V0031CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments 3/98-4/04)
  • MMCRMODE04V0061CLOTH : ARSCL: derived, MMCR Mode 5 (co-polarized mode) moments
  • MMCRMODE5P0200408121CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (2/97-3/07)
  • MMCRMODE02V0021CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (3/97-3/04)
  • MMCRMODE02V0031CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (3/98-4/04)
  • MMCRMODE02V0061CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments (4/97-9/97)
  • MMCRMODE04V0021CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments (9/97-3/04)
  • MMCRMODE04V0031CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (4/97-9/97)
  • MMCRMODE01V0041CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (9/97-3/04)
  • MMCRMODE01V0061CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (3/98-4/04)
  • MMCRMODE01V0091CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (11/96-2/97)
  • MMCRMODE02V0011CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (11/98-9/02)
  • MMCRMODE02V0041CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (7/99-11/04)
  • MMCRMODE02V0071CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (2/97-3/97)
  • MMCRMODE03V0021CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (4/97-3/04)
  • MMCRMODE03V0041CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (3/98-4/04)
  • MMCRMODE03V0081CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments (11/96-3/97)
  • MMCRMODE04V0011CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (12/96-2/97)
  • MMCRMODE01V0051CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (11/98-9/02)
  • MMCRMODE01V0071CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (7/99-11/04)
  • MMCRMODE01V0101CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (11/98-9/02)
  • MMCRMODE03V0051CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (7/99-11/04)
  • MMCRMODE03V0091CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments (11/98-11/04)
  • MMCRMODE04V0041CLOTH : ARSCL: derived, MMCR Mode 5 (experimental mode) moments (11/96)
  • MMCRMODE05V0011CLOTH : ARSCL: derived, MMCR Mode 6 (cross-polarized mode) moments
  • MMCRMODE6P1200408121CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments (11/96 -12/96)
  • MMCRMODE01V0011CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (8/04-5/05)
  • MMCRMODE2CI200408121CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (8/04-5/05)
  • MMCRMODE3GE200408121CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (since 11/2005)
  • MMCRMODE2CI200511041CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (version 6/2006)
  • MMCRMODE2CI200606161CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (since 11/2005)
  • MMCRMODE3GE200511041CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments, 20040415 version
  • MMCRMODE2CI200404141CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments (version 11/2006)
  • MMCRMODE2CI200608161CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments, 20071201 version
  • MMCRMODE2CI200712011CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (version 6/2006)
  • MMCRMODE3GE200606161CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments, 20040415 version
  • MMCRMODE4RO200404141CLOTH : ARSCL: derived, MMCR Mode 4 (robust mode) moments, 20071201 version
  • MMCRMODE4RO200712011CLOTH : ARSCL: derived, MMCR Mode 1 (stratus mode) moments, 20040415 version
  • MMCRMODE1ST200404151CLOTH : ARSCL: derived, MMCR Mode 2 (cirrus mode) moments, 20080418 version
  • MMCRMODE2CI200804181CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments, 20040415 version
  • MMCRMODE3GE200404141CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments (version 11/2006)
  • MMCRMODE3GE200608161CLOTH : ARSCL: derived, MMCR Mode 4 (precipitation mode) moments (8/04-5/05)
  • MMCRMODE4PR200408121CLOTH : ARSCL: derived, MMCR Mode 1 (boundary layer mode) moments (8/04-5/05)
  • MMCRMODE1BL200408121CLOTH : ARSCL: derived, MMCR Mode 3 (general mode) moments, 20080418 version
  • MMCRMODE3GE200804181CLOTH : ARSCL: derived, MMCR Mode 4 (precipitation mode) moments (since 11/2005)
  • MMCRMODE4PR200511041CLOTH : ARSCL: derived, MMCR Mode 1 (boundary layer mode) moments (since 11/2005)
  • MMCRMODE1BL200511041CLOTH : ARSCL: derived, MMCR Mode 4 (precipitation mode) moments (version 6/2006)
  • MMCRMODE4PR200606161CLOTH : ARSCL: derived, MMCR Mode 5 (co-polarized mode) moments, 20080418 version
  • MMCRMODE5P0200804181CLOTH : ARSCL: derived, MMCR Mode 1 (boundary layer mode) moments (version 6/2006)
  • MMCRMODE1BL200606161CLOTH : ARSCL: derived, MMCR Mode 4 (precipitation mode) moments (version 11/2006)
  • MMCRMODE4PR200608161CLOTH : ARSCL: derived, MMCR Mode 1 (boundary layer mode) moments (version 11/2006)
  • MMCRMODE1BL200608121CLOTH : ARSCL: derived, MMCR Mode 1 (boundary layer mode) moments, 20071201 version
  • MMCRMODE1BL200712011CLOTH : ARSCL: derived, MMCR Mode 1 (boundary layer mode) moments, 20080418 version
  • MMCRMODE1BL200804181CLOTH : ARSCL: derived, MMCR Mode 4 (precipitation mode) moments, 20080418 version
  • MMCRMODE4PR200804181CLOTH : ARSCL: derived, MMCR Mode 6 (cross-polarized mode) moments, 20080418 version
  • MMCRMODE6P1200804181CLOTH :
• ARSCL : Active Remotely-Sensed Cloud Locations (Process)
  • RHBARSCL1CLOTH : ARSCL: multiple outputs from first Clothiaux algorithms, Ron Brown ship, Nauru
  • ARSCL1CLOTH : ARSCL: multiple outputs from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

Datastreams

• CSAPR : C-Band ARM Precipitation Radar Datastreams
  • CSAPRSUR : C-SAPR Surveillance scan
  • CSAPRRHI : C-SAPR Range Height Indicator scan
  • CSAPRSEC : C Scanning ARM Precipitation Radar (CSAPR), SEC ???
  • CSAPRVERT : C Scanning ARM Precipitation Radar (CSAPR), vertical scan
• KAZR : Ka ARM Zenith Radar Datastreams
  • KAZRCI : Ka ARM Zenith Radar (KAZR): cirrus mode
  • KAZRGE : Ka ARM Zenith Radar (KAZR): general mode
  • KAZRBL : Ka ARM Zenith Radar (KAZR): boundary layer mode
  • KAZRSPECCMASKCICOPOL : Ka ARM Zenith Radar (KAZR): filtered spectral data, cirrus mode, co-polarized mode
  • KAZRSPECCMASKGECOPOL : Ka ARM Zenith Radar (KAZR): filtered spectral data, general mode, co-polarized mode
  • KAZRSPECCMASKCIXPOL : Ka ARM Zenith Radar (KAZR): filtered spectral data, cirrus mode, cross-polarized mode
  • KAZRSPECCMASKGEXPOL : Ka ARM Zenith Radar (KAZR): filtered spectral data, general mode, cross-polarized mode
  • KAZRSPECCMASKBLCOPOL : Ka ARM Zenith Radar (KAZR): filtered spectral data, Boundary Layer mode, co-polarized mode
  • KAZRSPECCMASKBLXPOL : Ka ARM Zenith Radar (KAZR): filtered spectral data, Boundary Layer mode, cross-polarized mode
• WACR : W-Band (95 GHz) ARM Cloud Radar Datastreams
  • WACR : W-band (95 GHz) ARM Cloud Radar
  • WACRSPECCMASKCOPOL : W-band (95 GHz) ARM Cloud Radar, filtered spectral data, co-polarized mode
  • WACRSPECCMASKXPOL : W-band (95 GHz) ARM Cloud Radar, filtered spectral data, cross-polarized mode
• XSAPR : X-Band Scanning ARM Precipitation Radar Datastreams
  • XSAPRSUR : X-SAPR Surveillance scan
  • XSAPRPPI : X-SAPR Plan Position Indicator scan
  • XSAPRVAD : X-SAPR Velocity-Azimuth Display scan
  • XSAPRHSRHI : X-SAPR Horizon-to-horizon Range-Height Indicator scan
• DISDROMETER : Impact Disdrometer Datastreams
  • DISDROMETER : Disdrometer: measures rain drop size distribution
• SWACR : W-Band (95 GHz) ARM Cloud Radar, mounted to scan Datastreams
  • SWACRFPT : S-WACR - Fixed PoinTing mode
  • SWACRVPT : S-WACR Vertical PoinTing scan
  • SWACRCAL : S-WACR calibration information
  • SWACRPPI : S-WACR Plan Position Indicator scan
  • SWACRVAD : S-WACR Velocity-Azimuth Display scan
  • SWACRCWRHI : S-WACR Cross-Wind Range-Height Indicator scan
  • SWACRBLRHI : S-WACR Boundary-layer Range-Height Indicator scan
  • SWACRHSRHI : S-WACR Horizon-to-horizon Range-Height Indicator scan
  • SWACRSPECCMASKXPOL : S-WACR filtered spectral data, cross-polarized mode
  • SWACRSPECCMASKCOPOL : S-WACR ARM Cloud Radar, filtered spectral data, co-polarized mode
• RWP : Radar Wind Profiler Datastreams
  • 915RWPPRECIPMOM : 915-MHz Radar Wind Profiler, precipitation moments data
  • 915RWPPRECIPSPEC : 915-MHz Radar Wind Profiler, precipitation spectra data
  • 915RWPPRECIPCON : 915-MHz Radar Wind Profiler, precipitation consensus data
• KASACR : Ka-Band Scanning ARM Cloud Radar Datastreams
  • KASACRPPI : Ka-Band Scanning ARM Cloud Radar (KASACR) PPI
  • KASACRSLR : Ka-Band Scanning ARM Cloud Radar (KASACR) Side-Looking Radar
  • KASACRAWRHI : Ka-Band Scanning ARM Cloud Radar (KASACR) Along-Wind RHI Scan
  • KASACRCWRHI : Ka-Band Scanning ARM Cloud Radar (KASACR) Cross-Wind RHI Scan
  • KASACRVPT : Ka-Band Scanning ARM Cloud Radar (KASACR) Vertically Pointing Scan
  • KASACRBLRHI : Ka-Band Scanning ARM Cloud Radar (KASACR) Boundary Layer RHI Scan
  • KASACRCRRHI : Ka-Band Scanning ARM Cloud Radar (KASACR) Corner Reflector RHI scan
  • KASACRRHI : Ka-Band Scanning ARM Cloud Radar (KASACR) RHI scans, which can vary in elevation range and azimuth
  • KASACRHSRHI : Ka-Band Scanning ARM Cloud Radar (KASACR) Hemispherical Sky RHI Scan (6 horizon-to-horizon scans at 30-degree azimuth intervals)
• XSACR : X-Band Scanning ARM Cloud Radar Datastreams
  • XSACRPPI : X-Band Scanning ARM Cloud Radar (XSACR) PPI Scan
  • XSACRAWRHI : X-Band Scanning ARM Cloud Radar (XSACR) Along-Wind RHI Scan
  • XSACRCWRHI : X-Band Scanning ARM Cloud Radar (XSACR) Cross-Wind RHI Scan
  • XSACRVPT : X-Band Scanning ARM Cloud Radar (XSACR) Vertically Pointing Scan
  • XSACRBLRHI : X-Band Scanning ARM Cloud Radar (XSACR) Boundary Layer RHI Scan
  • XSACRRHI : X-Band Scanning ARM Cloud Radar (XSACR) RHI Scans, which can vary in elevation range and azimuth
  • XSACRHSRHI : X-Band Scanning ARM Cloud Radar (XSACR) Hemispherical Sky RHI Scans (6 horizon-to-horizon scans at 30-degree azimuth intervals)
• MMCR : Millimeter Wavelength Cloud Radar Datastreams
  • MMCRCAL : Millimeter Wavelength Cloud Radar (MMCR): calibration data
  • MMCRSPECCMASKCI : Millimeter Wave Cloud Radar (MMCR), filtered spectral data, cirrus mode
  • MMCRSPECCMASKGE : Millimeter Wave Cloud Radar (MMCR), filtered spectral data, general mode
  • MMCRSPECCMASKBL : Millimeter Wave Cloud Radar (MMCR), filtered spectral data, boundary layer mode
  • MMCRMOM : Millimeter Wave Cloud Radar (MMCR), replaces mmcrcal and mmcrmoments datastreams following C-40 processor upgrade of 2003.09.09
• WSACR : Scanning ARM Cloud Radar, tuned to W-Band (95GHz) Datastreams
  • WSACRPPI : W-Band Scanning ARM Cloud Radar (W-SACR) PPI Scan
  • WSACRSLR : W-Band Scanning ARM Cloud Radar (W-SACR) Side-Looking Radar
  • WSACRAWRHI : W-Band Scanning ARM Cloud Radar (W-SACR) Along-Wind RHI Scan
  • WSACRCWRHI : W-Band Scanning ARM Cloud Radar (W-SACR) Cross-Wind RHI Scan
  • WSACRVPT : W-Band Scanning ARM Cloud Radar (W-SACR) Vertically Pointing Scan
  • WSACRBLRHI : W-Band Scanning ARM Cloud Radar (W-SACR) Boundary Layer RHI Scan
  • WSACRCRRHI : W-Band Scanning ARM Cloud Radar (W-SACR) Corner Reflector RHI scan
  • WSACRRHI : W-Band Scanning ARM Cloud Radar (W-SACR) RHI Scans, which can vary in elevation range and azimuth
  • WSACRHSRHI : W-Band Scanning ARM Cloud Radar (W-SACR) Hemispherical Sky RHI Scans (6 horizon-to-horizon scans at 30-degree azimuth intervals)