Papers › Unraveling the mystery of tropical monsoon long-term prediction
Unraveling the mystery of tropical monsoon long-term prediction
Guanghao Ran, Jun Meng, Jingfang Fan
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Tropical monsoons play a critical role in shaping regional and global climate systems, with profound ecological and socio-economic impacts. However, their long-term prediction remains challenging due to the complex interplay of regional dynamics, global climate drivers, and large-scale teleconnections. Here, we introduce a unified network-based framework for predicting monsoon precipitation across diverse tropical regions. By leveraging global 2-meter air temperature fields, this approach captures large-scale climate teleconnections, such as the El Nino-Southern Oscillation (ENSO) and Rossby waves, enabling accurate forecasts for four key monsoon systems: the South American, East Asian, African, and Indian monsoons. Our framework achieves remarkable forecasting accuracy with lead times of 4-10 months, outperforming traditional systems such as SEAS5 and CFSv2. Beyond its predictive capabilities, the framework offers flexibility for application to other regions and climate phenomena, advancing our understanding of global climate dynamics. These findings have far-reaching implications for disaster preparedness, resource management, and sustainable development.
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