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Abstract. The mesoscale meteorology of lake breezes along Lake Michiganimpacts local observations of high-ozone events. Previous manned aircraftand UAS observations have demonstrated non-uniform ozone concentrationswithin and above the marine layer over water and within shorelineenvironments. During the 2021 Wisconsin's Dynamic Influence of ShorelineCirculations on Ozone (WiscoDISCO-21) campaign, two UAS platforms, afixed-wing (University of Colorado RAAVEN) and a multirotor (PurdueUniversity DJI M210), were used simultaneously to capture lake breeze duringforecasted high-ozone events at Chiwaukee Prairie State Natural Area insoutheastern Wisconsin from 21–26 May 2021​​​​​​​. The RAAVEN platform (data DOI:https://doi.org/10.5281/zenodo.5142491, de Boer et al., 2021) measured temperature, humidity, and 3-D winds during2 h flights following two separate flight patterns up to three times per dayat altitudes reaching 500 m above ground level (a.g.l.). The M210 platform (data DOI: https://doi.org/10.5281/zenodo.5160346, Cleary et al., 2021a) measured vertical profiles of temperature, humidity,and ozone during 15 min flights up to six times per day at altitudesreaching 120 ma.g.l. near a Wisconsin DNR ground monitoringstation (AIRS ID: 55-059-0019). This campaign was conducted in conjunctionwith the Enhanced Ozone Monitoring plan from the Wisconsin DNR that included Dopplerlidar wind profiler observations at the site (dataDOI: https://doi.org/10.5281/zenodo.5213039, Cleary et al., 2021b).