Employing geostationary satellite to examine the physical properties of cloud tops for thunderstorm gusts

Yu Chen; Bo Jin; Kai Zhang; Xue Yang; Ping Li; Shuo Liu; Lei Yang

doi:10.1117/12.3029228

16 May 2024 Employing geostationary satellite to examine the physical properties of cloud tops for thunderstorm gusts

Yu Chen, Bo Jin, Kai Zhang, Xue Yang, Ping Li, Shuo Liu, Lei Yang

Proceedings Volume 13166, International Conference on Remote Sensing Technology and Survey Mapping (RSTSM 2024); 1316604 (2024) https://doi.org/10.1117/12.3029228
Event: International Conference on Remote Sensing Technology and Survey Mapping (RSTSM 2024), 2024, Changchun, China

Abstract

By the use of the Fengyun-4A geostationary satellite's multi-channel brightness temperature data (FY-4A). Examined and contrasted the physical properties of the cloud tops for three distinct thunderstorm gust episodes, each with varying intensities and ranges. The following outcomes from the analysis: Updrafts in convective clouds must achieve a specific range and strength. Positive BTD1(the difference between the infrared and water vapor channels) scores are also found in regions with wind speeds higher than ten levels. These regions experience freezing, a thickening of the cloud top, and a brightness temperature gradient greater than 20K. These regions are generally seen in front of the direction that clouds are moving. By using criteria such as BTD1 greater than 0 K, cloud top brightness temperature gradient greater than 20K can made preliminary judgments on the convective areas that could produce hazardous weather.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yu Chen, Bo Jin, Kai Zhang, Xue Yang, Ping Li, Shuo Liu, and Lei Yang "Employing geostationary satellite to examine the physical properties of cloud tops for thunderstorm gusts", Proc. SPIE 13166, International Conference on Remote Sensing Technology and Survey Mapping (RSTSM 2024), 1316604 (16 May 2024); https://doi.org/10.1117/12.3029228

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KEYWORDS

Clouds

Satellites

Convection

Meteorology

Wind speed

Meteorological satellites

Temperature metrology

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