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2021•Bulletin of the American Meteorological SocietyOpen access

Influence of Air–Sea Coupling on Madden–Julian Oscillation (MJO) Evolution

Ming Feng, Yongliang Duan, Susan Wijffels, Je‐Yuan Hsu, Chao Li, Huiwu Wang, Yang Yang, Hong Shen, Jianjun Liu, Chunlin Ning, Weidong Yu

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Abstract

he Madden-Julian oscillation (MJO) is an eastward-moving disturbance of clouds, rainfall, winds, and pressure that traverses the globe in the tropics with a period in the range of 30-80 days.The MJO is the dominant mode of intraseasonal variability in the tropical Indo-Pacific warm pool.It modulates the timing and strength of monsoons and influences high-impact weather events such as tropical cyclones, floods, and drought in the Indo-Pacific region.The MJO offers the prospect of forecasting tropical rainfall with a lead time of a couple of weeks; however, current state-of-the-art weather forecasting models have systematic biases and cannot reproduce the MJO well.

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What this paper is about

he Madden-Julian oscillation (MJO) is an eastward-moving disturbance of clouds, rainfall, winds, and pressure that traverses the globe in the tropics with a period in the range of 30-80 days.The MJO is the dominant mode of intraseasonal variability in the tropical Indo-Pacific warm pool.It modulates the timing and strength of monsoons and influences high-impact weather events such as tropical cyclones, floods, and drought in the Indo-Pacific region.The MJO offers the prospect of forecasting tropical rainfall with a lead time of a couple of weeks; however, current state-of-the-art weather forecasting models have systematic biases and cannot reproduce the MJO well.

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Available abstract

he Madden-Julian oscillation (MJO) is an eastward-moving disturbance of clouds, rainfall, winds, and pressure that traverses the globe in the tropics with a period in the range of 30-80 days.The MJO is the dominant mode of intraseasonal variability in the tropical Indo-Pacific warm pool.It modulates the timing and strength of monsoons and influences high-impact weather events such as tropical cyclones, floods, and drought in the Indo-Pacific region.The MJO offers the prospect of forecasting tropical rainfall with a lead time of a couple of weeks; however, current state-of-the-art weather forecasting models have systematic biases and cannot reproduce the MJO well.

Key concepts: Madden–Julian oscillation, Oscillation (cell signaling), Climatology, Meteorology, Coupling (piping), Environmental science, Geology, Atmospheric sciences

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Influence of Air–Sea Coupling on Madden–Julian Oscillation (MJO) Evolution — Research Paper | ScholarLens