Satellite remote sensing data revealed a widespread sea fog event over the central/southern Yellow Sea (YS), following Typhoon Muifa passage in August 2011. Despite the importance of sea fog prediction for coastal safety, improving accuracy remains a challenging issue. By analyzing results from air‐sea coupled and uncoupled simulations, this study aims to investigate how the air‐sea coupling improves the sea fog formation and duration and examine atmospheric responses to spatiotemporally varying sea surface temperature (SST) over the YS. Unlike the uncoupled model, the SST simulated by the coupled model dramatically decreased and maintained its low temperature for more than a week after the typhoon passed over the YS, showing better agreement with the observations. The sharp SST decrease over the YS cools the air temperature at low‐level atmosphere and enhances horizontal convergence in the moisture flux over the cooler ocean, which provides favorable conditions for sea fog formation. The long‐lasting oceanic cooling stabilizes the atmospheric boundary layer and suppresses atmospheric vertical mixing, delaying the dissipation of sea fog for more than a week. This study highlights that air‐sea coupling can improve the sea fog simulation by providing more realistic oceanic conditions.

中文翻译：

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2011年台风“多发”号越过黄海过海后海雾案的耦合数值模拟研究

卫星遥感数据显示，2011年8月台风梅法通过后，黄海中部（YS）发生了广泛的海雾事件。尽管预测海雾对沿海安全至关重要，但提高准确性仍然是一个充满挑战的问题。通过分析气海耦合和非耦合模拟的结果，本研究旨在研究气海耦合如何改善海雾的形成和持续时间，并研究大气对YS随时空变化的海表温度（SST）的响应。与非耦合模型不同，在台风经过YS后，由耦合模型模拟的SST急剧下降并保持低温超过一周，这与观测结果更好地吻合。YS上SST的急剧下降使低空大气温度降低，并使较冷的海洋上的水汽通量水平收敛，这为形成海雾提供了有利条件。持久的海洋冷却稳定了大气边界层并抑制了大气的垂直混合，将海雾的散发延迟了一个多星期。这项研究强调，海海耦合可以通过提供更现实的海洋条件来改善海雾模拟。