Analysis of individual cases of foggy environment in Qiongzhou Strait based on numerical simulation

ZiJian Ye; MingJie Zhong

doi:10.1117/12.2642616

28 July 2022 Analysis of individual cases of foggy environment in Qiongzhou Strait based on numerical simulation

ZiJian Ye, MingJie Zhong

Proceedings Volume 12303, International Conference on Cloud Computing, Internet of Things, and Computer Applications (CICA 2022); 1230323 (2022) https://doi.org/10.1117/12.2642616
Event: International Conference on Cloud Computing, Internet of Things, and Computer Applications, 2022, Luoyang, China

Abstract

Fog is a common and hazardous weather phenomenon, so it is an urgent problem to predict the development of foggy weather accurately and timely in daily forecasting. In this paper, the ERA5 reanalysis data is used as the background field, and the initial field of the WRF mesoscale model forecast is combined with different physical parameterisation schemes to carry out numerical simulations for an individual case of foggy weather from 22 to 23 January 2021. ① The WRF model can better simulate the generation and extinction of fog. ② When the relative humidity is greater than 80%, the wind is low, the atmospheric structure is more stable and the subtropical high pressure moves northward, it is easy to produce foggy weather. ③ This fog is due to the transport of warm and humid air from the sea surface to the coastal area of a certain place by air currents, which meets the cold air mass of the mainland at the coastal junction.

Citation Download Citation

ZiJian Ye and MingJie Zhong "Analysis of individual cases of foggy environment in Qiongzhou Strait based on numerical simulation", Proc. SPIE 12303, International Conference on Cloud Computing, Internet of Things, and Computer Applications (CICA 2022), 1230323 (28 July 2022); https://doi.org/10.1117/12.2642616

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