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Ship- and island-based atmospheric soundings from the 2020 EUREC4A field campaign

MPS-Authors
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Stephan,  Claudia C.
Cloud-wave Coupling, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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Schulz,  Hauke
Tropical Cloud Observations, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

Baier ,  Katharina
MPI for Meteorology, Max Planck Society;

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Dauhut,  Thibaut
Precipitating Convection, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

Morfa-Avalos,  Yanmichel
MPI for Meteorology, Max Planck Society;

Neuberger,  Almuth
MPI for Meteorology, Max Planck Society;

Ringel,  Maximilian
MPI for Meteorology, Max Planck Society;

Ritschel,  Markus
Observations, Analysis and Synthesis (OAS), The Ocean in the Earth System, MPI for Meteorology, Max Planck Society;

Stolla,  M. Katharina
Tropical Cloud Observations, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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Jansen,  Friedhelm
Tropical Cloud Observations, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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Kinne,  Stefan
Tropical Cloud Observations, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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Stevens,  Bjorn
Director’s Research Group AES, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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Citation

Stephan, C. C., Schnitt, S., Schulz, H., Bellenger, H., de Szoeke, S. P., Acquistapace, C., et al. (in press). Ship- and island-based atmospheric soundings from the 2020 EUREC4A field campaign. Earth System Science Data. doi:10.5194/essd-2020-174.


Cite as: http://hdl.handle.net/21.11116/0000-0006-F2B0-1
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.