Articles | Volume 23, issue 6
https://doi.org/10.5194/acp-23-3453-2023
https://doi.org/10.5194/acp-23-3453-2023
Research article
 | 
20 Mar 2023
Research article |  | 20 Mar 2023

Boundary layer moisture variability at the Atmospheric Radiation Measurement (ARM) Eastern North Atlantic observatory during marine conditions

Maria P. Cadeddu, Virendra P. Ghate, David D. Turner, and Thomas E. Surleta

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Cited articles

Albrecht, B., Fang, M., and Ghate, V.: Exploring stratocumulus cloud-top entrainment processes and parameterizations by using doppler cloud radar observations, J. Atmos. Sci., 73, 729–742, https://doi.org/10.1175/JAS-D-15-0147.1, 2016. 
Albrecht, B. A., Fairall, C. W., Thomson, D. W., White, A. B., Snider, J. B., and Schubert, W. H.: Surface-based remote sensing of the observed and the adiabatic liquid water content of stratocumulus clouds, Geophys. Res. Lett., 17, 89–92, https://doi.org/10.1029/GL017i001p00089, 1990. 
Albright, A. L., Bony, S., Stevens, B., and Vogel, R.: Observed sub-cloud layer moisture and heat budgets in the trades, J. Atmos. Sci., https://doi.org/10.1175/JAS-D-21-0337.1, 2022. 
Bharadwaj, N., Lindenmaier, I., Feng, Y., Johnson, K., Nelson, D., Isom, B., Hardin, J., Matthews, A., Wendler, T., Castro, V., and Deng, M.: Ka ARM Zenith Radar (KAZR), Atmospheric Radiation Measurement (ARM) user facility, Eastern North Atlantic (ENA) Graciosa Island, Azores, Portugal (C1) [data set], https://doi.org/10.5439/1182009, 2019. 
Bretherton, C. S. and Blossey, P. N.: Understanding mesoscale aggregation of shallow cumulus convection using large-eddy simulation, J. Adv. Model. Earth Sy., 9, 2798–2821, https://doi.org/10.1002/2017MS000981, 2017. 
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Short summary
We analyze the variability in marine boundary layer moisture at the Eastern North Atlantic site on a monthly and daily temporal scale and examine its fundamental role in the control of boundary layer cloudiness and precipitation. The study also highlights the complex interaction between large-scale and local processes controlling the boundary layer moisture and the importance of the mesoscale spatial distribution of vapor to support convection and precipitation.
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