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The Massachusetts Institute of Technology, Lincoln Laboratories (MIT- LL), operating in support of the Federal Aviation Administration (FAA) Terminal Radar Program has developed a prototype Wind Shear Processor (WSP) modification to interface with Airport Surveillance Radars (ASR) 8 and 9. The WSP enables the ASR radars to automatically detect low altitude wind shear phenomena such as microbursts and gust fronts. This plan describes the methods, procedures, roles, and responsibilities in evaluating the operational suitability and effectiveness of an ASR-9 with the WSP modification in the high and dry climate of Albuquerque, NM. The suitability evaluation is limited to the performance of the WSP's displays in the human factors environment of the Air Traffic Control (ATC) Tower and Terminal Radar Approach Control (TRACON). ASR Wind Shear Processor (ASR-WSP), Human Factors Evaluation ATC Tower/TRACON, Microbursts and gust fronts.
An operational test of a Wind Shear Processor (WSP) add-on to the Federal Aviation Administration's airport surveillance radar (ASR-9) took place at Orlando International Airport during July and August 1991. The test allowed for both quantitative assessment of the WSP's signal processing and wind shear detection algorithms and for feedback from air traffic controllers and their supervisors on the strengths and weaknesses of the system. Thunderstorm activity during the test period was intense; low-altitude wind shear impacted the runways or approach/departure corridors on 40 of the 53 test days. As in previous evaluations of the WSP in the southeastern United States, microburst detection performance was very reliable. Over 95% of the strong microbursts that affected the Orlando airport during the test period were detected by the system. Gust front detection during the test, while operationally useful, was not as reliable as it should have been, given the quality of gust front signatures in the base reflectivity and radial velocity data from the WSP. Subsequent development of a Machine Intelligent gust front algorithm has resulted in significantly improved detection capability. Results from the operational test are being utilized in ongoing refinement of the WSP.