Project Overview Background –The National Center for Atmospheric Research (NCAR) operates a Gulfstream V mid-altitude jet aircraft primarily to conduct National Science Foundation (NSF) sponsored atmospheric research –This aircraft is known as the High-performance Instrumented Airborne Platform for Environmental Research (HIAPER) –A millimeter wave radar was considered an essential part of HIAPER’s instrumentation payload, which consists of both in-situ and remote sensing instruments –So, a community survey was conducted to establish the basic characteristics of this radar…
Project Overview Background Community preference was for a dual-wavelength system (option 3) Unfortunately the cost of option 3 exceeded available funds so a three phased approach was proposed: –Phase A: Scanning, airborne, W-band Doppler radar – HIAPER MREFC funds –Phase B: Adds Polarimetry (H-V), pulse compression – currently unfunded, CAPRIS? –Phase C: Adds Second wavelength (Ka-band) – currently unfunded, CAPRIS? Three options were presented to the research community Option 1Option 2Option 3Option 4 W-band, polarimetric, dual-Doppler radar Ka-band, polarimetric, dual-Doppler radar Dual-wavelength (W- and Ka-band), polarimetric, Doppler radar with unmatched beams Dual-wavelength (W- and Ka-band), polarimetric, Doppler radar with matched beams
Project Overview Background Scientific Motivation –Study Cloud microphysics (cloud boundaries, LWC and IWC) –Study Cloud dynamics –CloudSat intercomparison/verification studies