Drivers and Trends of Summertime Convection Over the Southeastern Arabian Peninsula

Abstract Summertime convection in the southeastern Arabian Peninsula is examined using satellite observations, ERA‐5 reanalysis fields, and climate change projections under the Shared Socioeconomic Pathways (SSP) 3–7.0 and SSP5–8.5 scenarios. Observations highlight peak convection during July and August driven by intense surface heating, moisture convergence, and sea‐breeze dynamics. A k‐means cluster analysis revealed the Madden‐Julian Oscillation, breaks in the South Asian summer monsoon, and a decaying Arabian heat low as the primary atmospheric processes governing convective events. Observed trends indicate a significant increase (∼1.42 convective days per year) from 2000 to 2024 in convective events, consistent with regional warming and enhanced boundary layer instability. Climate change projections confirm this positive trend for 2015–2100, with SSP5–8.5 indicating increases by 0.038 days per year. These findings have significant implications for water management and flash‐flood risk mitigation strategies across this arid and climatologically sensitive region.

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Publication Details

Journal
Geophysical Research Letters
Published
2025-11-27
DOI
https://doi.org/10.1029/2025gl118960
Primary Topic
Climate variability and models
Type
article
Field-Weighted Citation Impact
0.00

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article

Drivers and Trends of Summertime Convection Over the Southeastern Arabian Peninsula

Ricardo Fonseca, Abdulla Al Mandous, Narendra Nelli, Luca Delle Monache et al.
Geophysical Research Letters
Climate variability and models
article

Drivers and Trends of Summertime Convection Over the Southeastern Arabian Peninsula

Ricardo Fonseca, Abdulla Al Mandous, Narendra Nelli, Luca Delle Monache, Diana Francis
article en

Abstract

Abstract Summertime convection in the southeastern Arabian Peninsula is examined using satellite observations, ERA‐5 reanalysis fields, and climate change projections under the Shared Socioeconomic Pathways (SSP) 3–7.0 and SSP5–8.5 scenarios. Observations highlight peak convection during July and August driven by intense surface heating, moisture convergence, and sea‐breeze dynamics. A k‐means cluster analysis revealed the Madden‐Julian Oscillation, breaks in the South Asian summer monsoon, and a decaying Arabian heat low as the primary atmospheric processes governing convective events. Observed trends indicate a significant increase (∼1.42 convective days per year) from 2000 to 2024 in convective events, consistent with regional warming and enhanced boundary layer instability. Climate change projections confirm this positive trend for 2015–2100, with SSP5–8.5 indicating increases by 0.038 days per year. These findings have significant implications for water management and flash‐flood risk mitigation strategies across this arid and climatologically sensitive region.

Geophysical Research LettersVol. 52(23)
World Meteorological Organization (CH), Scripps Institution of Oceanography (US), Khalifa University of Science and Technology (AE), University of California San Diego (US), National Institute of Meteorology (TN)
Khalifa University of Science, Technology and Research
Openalex Percentile: Top 65%
Climate variability and models
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Drivers and Trends of Summertime Convection Over the Southeastern Arabian Peninsula — Ricardo Fonseca, Abdulla Al Mandous, et al. · Geophysical Research Letters (2025) | TGRS Research Map | TGRS