Articles | Volume 24, issue 6
https://doi.org/10.5194/acp-24-3857-2024
https://doi.org/10.5194/acp-24-3857-2024
Research article
 | 
28 Mar 2024
Research article |  | 28 Mar 2024

Influence of lower-tropospheric moisture on local soil moisture–precipitation feedback over the US Southern Great Plains

Gaoyun Wang, Rong Fu, Yizhou Zhuang, Paul A. Dirmeyer, Joseph A. Santanello, Guiling Wang, Kun Yang, and Kaighin McColl

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Cited articles

ARM Data Center: https://www.arm.gov/data/, last access: 24 September 2020. 
Atmospheric Radiation Measurement (ARM) user facility: Oklahoma Mesonet Soil Moisture (OKMSOIL), ARM Data Center [data set], https://www.arm.gov/capabilities/science-data-products/vaps/okmsoil (last access: 12 June 2020), 1998. 
Atmospheric Radiation Measurement (ARM) user facility: Balloon-Borne Sounding System (SONDEWNPN), ARM Data Center [data set], https://doi.org/10.5439/1595321, 2001. 
Atmospheric Radiation Measurement (ARM) user facility: Planetary Boundary Layer Height (PBLHTSONDE1MCFARL), ARM Data Center [data set], https://doi.org/10.5439/1991783, 2015. 
Atmospheric Radiation Measurement (ARM) user facility: Arkansas-Red Basin River Forecast Center (ABRFCPCPQPE), ARM Data Center [data set], https://www.arm.gov/capabilities/science-data-products/vaps/abrfc (last access: 16 November 2019), 2016. 
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This study investigates the influence of lower-tropospheric humidity on land–atmosphere coupling (LAC) during warm seasons in the US Southern Great Plains. Using radiosonde data and a buoyancy model, we find that elevated LT humidity is crucial for generating afternoon precipitation events under dry soil conditions not accounted for by conventional LAC indices. This underscores the importance of considering LT humidity in understanding LAC over dry soil during droughts in the SGP.
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