The Quality Assessment (QA) Product Development Team (PDT) of the National Oceanic and Atmospheric Administration’s (NOAA’s) Global Systems Division (GSD) within the Earth System Research Laboratory (ESRL) was tasked by the Federal Aviation Administration’s (FAA’s) Aviation Weather Research Program (AWRP) to complete an assessment of ceiling and visibility (C&V) analysis products. The purpose of this assessment was to measure the performance of several C&V products in the context of their potential use in the Aviation Weather Center’s (AWC) Helicopter Emergency Medical Services (HEMS) tool. The products evaluated in this assessment were the C&V analysis products from the National Ceiling and Visibility Analysis (NCVA), the Gridded Localized Aviation Model Output Statistics Program (GLMP), the Real-Time Mesoscale Analysis (RTMA), and the RTMA Rapid Updates (RTMA-RU). This is the second part of a two-part assessment; the first part analyzed the results from the cool season from January 1, 2018 through April 30, 2018, and the second part of the assessment covered the warm season from May 1, 2018 through August 30, 2018.
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