The role of equatorial waves in triggering precipitation extremes in the Maritime Continent

This review offers a comprehensive analysis of convectively coupled equatorial waves (CCEWs) and their pivotal role in driving precipitation extremes across the Maritime Continent. It examines the current understanding of CCEWs, evaluates the performance of numerical models and forecasting techniques in predicting these phenomena, and pinpoints critical areas for improvement. The discussion centers on three key types of equatorial waves: equatorial Rossby waves, Kelvin waves, and mixed Rossby–gravity waves. By connecting scientific insights with practical forecasting applications, the review sheds light on the challenges of predicting these waves while identifying opportunities to advance both fundamental knowledge and forecasting accuracy. Designed as an educational resource, it targets operational forecasting centers, meteorologists, and researchers, aiming to enhance the prediction of extreme weather events in the region.

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Publication Details

Journal
UEA Digital Repository (University of East Anglia)
Published
2026-01-06
Primary Topic
Climate variability and models
Type
article
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article

The role of equatorial waves in triggering precipitation extremes in the Maritime Continent

Natasha Senior, Dariusz B. Baranowski, Piotr J. Flatau, Donaldi Sukma Permana et al.
UEA Digital Repository (University of East Anglia)
Climate variability and models
article

The role of equatorial waves in triggering precipitation extremes in the Maritime Continent

Natasha Senior, Dariusz B. Baranowski, Piotr J. Flatau, Donaldi Sukma Permana, Sandro W. Lubis, Maria Flatau, Jacek Piskozub, Thierry Lefort, Fadhlil R. Muhammad, Ida Pramuwardani, Adrian J. Matthews, Eddy Hermawan, Agie Wandala, Tito Praditya, Matthew C. Wheeler, Samantha Ferrett, Kiki, Beata Latos, Jeong-Yik Diong, Philippe Peyrillé, Hanh Nguyen, Idhan Abubakar, Muhamad R. Ferdiansyah
article en

Abstract

This review offers a comprehensive analysis of convectively coupled equatorial waves (CCEWs) and their pivotal role in driving precipitation extremes across the Maritime Continent. It examines the current understanding of CCEWs, evaluates the performance of numerical models and forecasting techniques in predicting these phenomena, and pinpoints critical areas for improvement. The discussion centers on three key types of equatorial waves: equatorial Rossby waves, Kelvin waves, and mixed Rossby–gravity waves. By connecting scientific insights with practical forecasting applications, the review sheds light on the challenges of predicting these waves while identifying opportunities to advance both fundamental knowledge and forecasting accuracy. Designed as an educational resource, it targets operational forecasting centers, meteorologists, and researchers, aiming to enhance the prediction of extreme weather events in the region.

UEA Digital Repository (University of East Anglia)
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Climate variability and models
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The role of equatorial waves in triggering precipitation extremes in the Maritime Continent — Natasha Senior, Dariusz B. Baranowski, et al. · UEA Digital Repository (University of East Anglia) (2026) | TGRS Research Map | TGRS