A processing and validation system to collocate GOES-R and JPSS products to support combined GEO/LEO product development and validation activities using advanced physical collocation techniques

Decades of experience in applying vector algebra and analytic geometry to problems in satellite navigation at the University of Wisconsin's Space Science and Engineering Center has led to development of a variety of techniques for computationally efficient and accurate physical collocation. As will be presented, the collocation software library provides powerful tools that facilitate GOES-R Algorithm Working Group (AWG) validation as well as algorithm development of merged products by using multiple instruments on a diverse suite of observational platforms (LEO and GEO). Leveraging the computationally efficient methods, we are developing a near real time system that will provide merged operational GEO and POLAR (GOES-R/JPSS and SEVIRI/JPSS) products for cloud, aerosol, and sounding products. This system will provide near real time validation of both SDR and EDR products for GOES-R and provide the ability to develop joint POLAR and GEO algorithms for operational users. We will present the results from this system with a focus on merged CrIS/GOES-R and VIIRS/GOES-R (using GOES-E, and SEVIRI as proxy) products available to the community in near real-time. We expect a merged LEO/GEO product latency of less the 45 min using NPP direct broadcast capability allowing for the merged products that use GEO/LEO observations to be used operationally.