RAPSODI
radiosonde atmospheric profiles from ship and island platforms during ORCESTRA, collected to Decipher the ITCZ
Marius Winkler (Max Planck Institute for Meteorology)
Marius Rixen (Max Planck Institute for Meteorology)
Florent Beucher (CNRS-UPS)
Fleur Couvreux (CNRS-UPS)
Chaehyeon C. Nam (Florida State University)
Philippe Peyrillé (CNRS-UPS)
Hauke Schmidt (Max Planck Institute for Meteorology)
Hans Segura (Max Planck Institute for Meteorology)
Karl Hermann Wieners (Max Planck Institute for Meteorology)
Ezri Alkilani-Brown (University of Leeds)
Geet George (TU Delft - Civil Engineering & Geosciences)
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Abstract
The RAPSODI (<ani:underline>R</ani:underline>adiosonde <ani:underline>A</ani:underline>tmospheric <ani:underline>P</ani:underline>rofiles from <ani:underline>S</ani:underline>hip and island platforms during <ani:underline>O</ani:underline>RCESTRA, collected to <ani:underline>D</ani:underline>ecipher the <ani:underline>I</ani:underline>TCZ) radiosonde dataset was collected during the ORCESTRA field campaign in August and September 2024. It is designed to investigate the mechanisms linking mesoscale tropical convection to tropical waves and to air-sea heat and moisture exchanges that regulate convection and tropical cyclone formation. The campaign began at the Instituto Nacional de Meteorologia e Geofísica (INMG) on Sal in the Cape Verde Islands, continued with ship-based observations aboard the German research vessel R/V Meteor during an Atlantic transect, and concluded at the Barbados Cloud Observatory (BCO) in the eastern Caribbean. Over the 52 d campaign, a total of 624 radiosondes were launched at high temporal frequency (typically every three hours), capturing high-resolution vertical profiles of temperature, humidity, pressure, and winds from three complementary platforms. The dataset encompasses raw, quality-controlled, and vertically gridded data, is detailed in this paper and offers a valuable resource for investigating the atmospheric structure and processes shaping tropical convection and the intertropical convergence zone (ITCZ). The datasets generated in this study include raw radiosonde measurements (Level 0), oscillating and merged radiosonde profiles (Level 1), and vertically gridded profiles (Level 2), which are publicly available via the ORCESTRA data portal and DOI-referenced archives (; https://ipfs.io/ipns/latest.orcestra-campaign.org/raw/BCO/radiosondes/,; https://ipfs.io/ipns/latest.orcestra-campaign.org/raw/INMG/radiosondes/,; https://ipfs.io/ipns/latest.orcestra-campaign.org/raw/METEOR/radiosondes/,; https://doi.org/10.82246/BAFYBEIHXRAJOJUQZYX65QSO7AMA6NGVREETKDW3HQZX3SDZFB7LCMG6VAQ,; https://doi.org/10.82246/BAFYBEIA34AUWYVBH2RQ7CN7AGUZZ7PULQ2KRDDDIEESM6KPYSI,; https://doi.org/10.82246/BAFYBEID7CNW62ZMZFGXCVC6Q6FA267A7IVK2W,).
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