2025 El Nino Southern Oscillation Weekly Tracking
Additional Information
August 25, 2025
2025 is starting at -0.7 degree C similar as 1872, 1873, 1889 and 2023. These were years following La Nina years. 1899 and 2023 ended as positive with 2023 as strong EL Nino. 1872 and 1873 ended La Nina. La Nina is deveeloping similar to 1962 with potential drought in spring 2026 for South Florida with respective La Nina impacts on other parts of the globe.
Annual Summary - 2025
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Abtew, W. and P. Trimble. 2010. El Niño Southern Oscillation Link to South Florida Hydrology and Water Management Applications. Water Resources Management, 24(5):4255-4271,
Abtew, W., A. Melesse and T. Dessalegne. 2009. El Niño Southern Oscillation link to the Blue Nile River Basin Hydrology. Hydrological Processes. Vol. 23:3653-3660; DOI:10.1002/hyp.7367