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Dust, Convection, Winds, and Waves: The 2022 NASA CPEX-CV Campaign
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2024
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Source: Bulletin of the American Meteorological Society, 105(11), E2097-E2125
[PDF-8.28 MB]
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Journal Title:Bulletin of the American Meteorological Society
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Description:The NASA Convective Processes Experiment-Cabo Verde (CPEX-CV) field campaign took place in September 2022 out of Sal Island, Cabo Verde. A unique payload aboard the NASA DC-8 aircraft equipped with advanced remote sensing and in situ instrumentation, in conjunction with radiosonde launches and satellite observations, allowed CPEX-CV to target the coupling between atmospheric dynamics, marine boundary layer properties, convection, and the dust-laden Saharan air layer in the data-sparse tropical East Atlantic region. CPEX-CV provided measurements of African easterly wave environments, diurnal cycle impacts on convective life cycle, and several Saharan dust outbreaks, including the highest dust optical depth observed by the DC-8 interacting with what would become Tropical Storm Hermine. Preliminary results from CPEX-CV underscore the positive impact of dedicated tropical East Atlantic observations on downstream forecast skill, including sampling environmental forcings impacting the development of several nondeveloping and developing convective systems such as Hurricanes Fiona and Ian. Combined airborne radar, lidar, and radiometer measurements uniquely provide near-storm environments associated with convection on various spatiotemporal scales and, with in situ observations, insights into controls on Saharan dust properties with transport. The DC-8 also collaborated with the European Space Agency to perform coordinated validation flights under the Aeolus spaceborne wind lidar and over the Mindelo ground site, highlighting the enhanced sampling potential through partnership opportunities. CPEX-CV engaged in professional development through dedicated team-building exercises that equipped the team with a cohesive approach for targeting CPEX-CV science objectives and promoted active participation of scientists across all career stages.
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Source:Bulletin of the American Meteorological Society, 105(11), E2097-E2125
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ISSN:0003-0007;1520-0477;
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