Articles | Volume 11, issue 1
https://doi.org/10.5194/ascmo-11-89-2025
https://doi.org/10.5194/ascmo-11-89-2025
11 Jun 2025
 | 11 Jun 2025

Machine-learning-based probabilistic forecasting of solar irradiance in Chile

Sándor Baran, Julio C. Marín, Omar Cuevas, Mailiu Díaz, Marianna Szabó, Orietta Nicolis, and Mária Lakatos

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Parametric model for post-processing visibility ensemble forecasts
Ágnes Baran and Sándor Baran
Adv. Stat. Clim. Meteorol. Oceanogr., 10, 105–122, https://doi.org/10.5194/ascmo-10-105-2024,https://doi.org/10.5194/ascmo-10-105-2024, 2024
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Cited articles

Bakker, K., Whan, K., Knap, W., and Schmeits, M.: Comparison of statistical post-processing methods for probabilistic NWP forecasts of solar radiation, Sol. Energy, 191, 138–150, https://doi.org/10.1016/j.solener.2019.08.044, 2019. a
Baran, Á. and Baran, S.: A two-step machine learning approach to statistical post-processing of weather forecasts for power generation, Q. J. Roy. Meteorol. Soc., 150, 1029–1047, https://doi.org/10.1002/qj.4635, 2024. a, b, c, d, e, f, g
Baran, S. and Lakatos, M.: Clustering-based spatial interpolation of parametric post-processing models, Weather Forecast., 39, 1591–1604, https://doi.org/10.1175/WAF-D-24-0016.1, 2024. a
Baran, S. and Nemoda, D.: Censored and shifted gamma distribution based EMOS model for probabilistic quantitative precipitation forecasting, Environmetrics, 27, 280–292, https://doi.org/10.1002/env.2391, 2016. a
Baran, S., Baran, Á., Pappenberger, F., and Ben Bouallègue, Z.: Statistical post-processing of heat index ensemble forecasts: is there a royal road? Q. J. Roy. Meteorol. Soc., 146, 3416–3434, https://doi.org/10.1002/qj.3853, 2020. a
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Short summary
This paper assesses the skill of probabilistic forecasts of solar irradiance in the northern regions of Chile. Raw ensemble forecast are calibrated using a parametric and a novel non-parametric machine-learning-based method. As the reference approach, the ensemble model output statistics are considered. We verify the superiority of the proposed non-parametric neural-network-based ensemble correction, resulting in more than 50 % improvement in prediction performance compared to the raw forecasts.
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