xsaprppi
X-SAPR Plan Position Indicator scan (xsaprppi)
Browse DataThe X-band Scanning ARM Precipitation Radar (X-SAPR) is an X-band dual-polarization Doppler weather radar. The X-SAPR operates in a simultaneous transmit and receive (STAR) mode, meaning that the transmit signal is split so that power is transmitted on both horizontal and vertical polarizations at the same time. The X-SAPR transmitter is a 200 kW (peak power) magnetron. The receiver is based upon the Vaisala RVP-900 and runs Vaisala s IRIS software.
In addition to the first three Doppler moments (reflectivity, radial velocity, and spectra width), the X-SAPR also provides differential reflectivity, correlation coefficient, and specific differential phases. The dual-polarization variables enable estimates of rainfall rates and identification of precipitation types. At the Southern Great Plains site, three X-SAPRs surround the Central Facility, allowing the use of multi-Doppler velocity retrievals to estimate wind fields.
Location
- Latitude: 36.767569
- Longitude: -97.547446
- Publication Date: 2011-04-20
- Start Date: 2011-04-20
- End Date: 2018-05-24
- Last Updated: 2018-06-05
Instrument Mentor
Danny Nelson
Pacific Northwest National LaboratoryScott Collis
Argonne National LaboratoryScott Giangrande
Brookhaven National LaboratoryNitin Bharadwaj
Pacific Northwest National LaboratoryJoseph Hardin
Pacific Northwest National LaboratoryIosif (Andrei) Lindenmaier
Pacific Northwest National LaboratoryAlyssa Matthews
Pacific Northwest National LaboratoryBradley Isom
Pacific Northwest National LaboratoryVagner Castro
VMC SERVICES EIRELITim Wendler
Pacific Northwest National LaboratoryDOI / Citation
Atmospheric Radiation Measurement (ARM) user facility. 2011, updated hourly. X-Band Scanning ARM Precipitation Radar (XSAPRPPI). 2011-04-20 to 2018-05-24, Southern Great Plains (SGP) Deer Creek, OK (Intermediate) (I6). Compiled by N. Bharadwaj, I. Lindenmaier, D. Nelson, B. Isom, J. Hardin, A. Matthews, T. Wendler and V. Castro. ARM Data Center. Data set accessed at http://dx.doi.org/10.5439/1025327.