Ship- and island-based atmospheric soundings from the 2020
EUREC<sup>4</sup>A field campaign

Stephan, Claudia Christine; Schnitt, Sabrina; Schulz, Hauke; Bellenger, Hugo; de Szoeke, Simon P.; Acquistapace, Claudia; Baier, Katharina; Dauhut, Thibaut; Laxenaire, Rémi; Morfa-Avalos, Yanmichel; Person, Renaud; Quiñones Meléndez, Estefanía; Bagheri, Gholamhossein; Böck, Tobias; Daley, Alton; Güttler, Johannes; Helfer, Kevin C.; Los, Sebastian A.; Neuberger, Almuth; Röttenbacher, Johannes; Raeke, Andreas; Ringel, Maximilian; Ritschel, Markus; Sadoulet, Pauline; Schirmacher, Imke; Stolla, M. Katharina; Wright, Ethan; Charpentier, Benjamin; Doerenbecher, Alexis; Wilson, Richard; Jansen, Friedhelm; Kinne, Stefan; Reverdin, Gilles; Speich, Sabrina; Bony, Sandrine; Stevens, Bjorn

doi:https://doi.org/10.5194/essd-2020-174

Claudia Christine Stephan¹, Sabrina Schnitt², Hauke Schulz¹, Hugo Bellenger³, Simon P. de Szoeke⁴, Claudia Acquistapace^2,, Katharina Baier^1,, Thibaut Dauhut^1,, Rémi Laxenaire^5,, Yanmichel Morfa-Avalos^1,, Renaud Person^6,7,, Estefanía Quiñones Meléndez^4,, Gholamhossein Bagheri^8,, Tobias Böck^2,, Alton Daley^9,, Johannes Güttler^10,, Kevin C. Helfer^11,, Sebastian A. Los^12,, Almuth Neuberger^1,, Johannes Röttenbacher^13,, Andreas Raeke^14,, Maximilian Ringel^1,, Markus Ritschel^1,, Pauline Sadoulet^15,, Imke Schirmacher^16,, M. Katharina Stolla^1,, Ethan Wright^5,, Benjamin Charpentier¹⁷, Alexis Doerenbecher¹⁸, Richard Wilson¹⁹, Friedhelm Jansen¹, Stefan Kinne¹, Gilles Reverdin²⁰, Sabrina Speich³, Sandrine Bony³, and Bjorn Stevens¹ Claudia Christine Stephan et al.

¹Max Planck Institute for Meteorology, Hamburg, Germany
²Institute for Geophysics and Meteorology, University of Cologne, Cologne, Germany
³LMD/IPSL, CNRS, ENS, École Polytechnique, Institut Polytechnique de Paris, PSL, Research University, Sorbonne Université, Paris, France
⁴College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, Oregon, USA
⁵Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, Florida, USA
⁶Sorbonne Université, CNRS, IRD, MNHN, INRAE, ENS, UMS 3455, OSU Ecce Terra, Paris, France
⁷Sorbonne Université, CNRS, IRD, MNHN, UMR7159 LOCEAN-IPSL, Paris, France
⁸Laboratory for Fluid Physics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany
⁹Caribbean Institute for Meteorology and Hydrology, Husbands, St. James, Barbados
¹⁰Max Planck Institute for Dynamics and Self-Organization, 37077 Göttingen, Germany
¹¹Department of Geoscience and Remote Sensing, Delft University of Technology, Delft, the Netherlands
¹²Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, New Mexico, USA
¹³Institute for Meteorology, University of Leipzig, Leipzig, Germany
¹⁴Deutscher Wetterdienst, Seewetteramt Hamburg, Seeschiffahrtsberatung - Bordwetterdienst, Hamburg, Germany
¹⁵Météo-France, Bordeaux, France
¹⁶University of Hamburg, Hamburg, Germany
¹⁷Meteomodem, Ury, France
¹⁸Météo-France and CNRS: CNRM-UMR 3589, 42 Av. G. Coriolis, 31057 Toulouse Cedex, France
¹⁹Sorbonne Universite, LATMOS/IPSL, INSU/CNRS, Paris, France
²⁰LOCEAN, SU/CNRS/IRD/MNHN, Sorbonne Université, Paris, France
These authors contributed equally to this work.
These authors also contributed equally to this work.

¹Max Planck Institute for Meteorology, Hamburg, Germany
²Institute for Geophysics and Meteorology, University of Cologne, Cologne, Germany
³LMD/IPSL, CNRS, ENS, École Polytechnique, Institut Polytechnique de Paris, PSL, Research University, Sorbonne Université, Paris, France
⁴College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, Oregon, USA
⁵Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, Florida, USA
⁶Sorbonne Université, CNRS, IRD, MNHN, INRAE, ENS, UMS 3455, OSU Ecce Terra, Paris, France
⁷Sorbonne Université, CNRS, IRD, MNHN, UMR7159 LOCEAN-IPSL, Paris, France
⁸Laboratory for Fluid Physics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany
⁹Caribbean Institute for Meteorology and Hydrology, Husbands, St. James, Barbados
¹⁰Max Planck Institute for Dynamics and Self-Organization, 37077 Göttingen, Germany
¹¹Department of Geoscience and Remote Sensing, Delft University of Technology, Delft, the Netherlands
¹²Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, New Mexico, USA
¹³Institute for Meteorology, University of Leipzig, Leipzig, Germany
¹⁴Deutscher Wetterdienst, Seewetteramt Hamburg, Seeschiffahrtsberatung - Bordwetterdienst, Hamburg, Germany
¹⁵Météo-France, Bordeaux, France
¹⁶University of Hamburg, Hamburg, Germany
¹⁷Meteomodem, Ury, France
¹⁸Météo-France and CNRS: CNRM-UMR 3589, 42 Av. G. Coriolis, 31057 Toulouse Cedex, France
¹⁹Sorbonne Universite, LATMOS/IPSL, INSU/CNRS, Paris, France
²⁰LOCEAN, SU/CNRS/IRD/MNHN, Sorbonne Université, Paris, France
These authors contributed equally to this work.
These authors also contributed equally to this work.

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Received: 01 Jul 2020 – Accepted for review: 28 Jul 2020 – Discussion started: 05 Aug 2020

Abstract. To advance the understanding of the interplay among clouds, convection, and circulation, and its role in climate change, the EUREC⁴A and ATOMIC field campaigns collected measurements in the western tropical Atlantic during January and February 2020. Upper-air radiosondes were launched regularly (usually 4-hourly) from a network consisting of the Barbados Cloud Observatory (BCO) and four ships within 51–60° W, 6–16° N. From January 8 to February 19, a total of 812 radiosondes measured wind, temperature and relative humidity. In addition to the ascent, the descent was recorded for 82 % of the soundings. The soundings sampled changes in atmospheric pressure, winds, lifting condensation level, boundary layer depth, and vertical distribution of moisture associated with different ocean surface conditions, synoptic variability, and mesoscale convective organization. Raw (Level-0), quality-controlled 1-second (Level-1), and vertically gridded (Level-2) data in NetCDF format (Stephan et al., 2020) are available to the public at AERIS (https://doi.org/10.25326/62). The methods of data collection and post-processing for the radiosonde data set are described here.

How to cite: Stephan, C. C., Schnitt, S., Schulz, H., Bellenger, H., de Szoeke, S. P., Acquistapace, C., Baier, K., Dauhut, T., Laxenaire, R., Morfa-Avalos, Y., Person, R., Quiñones Meléndez, E., Bagheri, G., Böck, T., Daley, A., Güttler, J., Helfer, K. C., Los, S. A., Neuberger, A., Röttenbacher, J., Raeke, A., Ringel, M., Ritschel, M., Sadoulet, P., Schirmacher, I., Stolla, M. K., Wright, E., Charpentier, B., Doerenbecher, A., Wilson, R., Jansen, F., Kinne, S., Reverdin, G., Speich, S., Bony, S., and Stevens, B.: Ship- and island-based atmospheric soundings from the 2020 EUREC⁴A field campaign, Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2020-174, in review, 2020.


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