黑体亮温TBB与风暴跟踪信息STI对应关系

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Abstract In order to better take use of TBB and STI products,the relationship between TBB and STI is discussed by using the image comparison method,and adopting the data of satellite cloud image blackbody brightness temperature TBB and Jiangxi radar mosaic STI products.The results show that the blackbody brightness temperature TBB is negatively correlated with the intensity of storm tracking information STI,that is,the greater the radar echo intensity,the lower the minimum value of TBB.The negative contribution of TBB to STI can be divided into two types:the first case is that TBB is dense and strong,but STI is not dense,the second case is that the TBB sparse value is high,but the STI is relatively dense.The characteristics of supercell TBB cold cloud are obvious,and the brightness temperature gradient of the outer edge increases.The radar mosaic STI dense pointing area is also very obvious,and the TBB low value area is consistent with the moving direction of the STI dense area.The above research results provide a reference for the mutual verification and monitoring of strong weather processes in Jiangxi by TBB and STI.

Key words： TBB STI dense area echo characteristic

Received: 24 May 2023

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	Articles by authors
	Li Yanling
	Ma Zhongyuan
	Chen Baofa
	Zhang Xiaofang
	Sheng Mengting

Cite this article:

Li Yanling,Ma Zhongyuan,Chen Baofa等. Correspondence between blackbody brightness temperature TBB and storm tracking information STI[J]. Meteorological Hydrological and Marine Instrument, 2023, 40(4): 49-52.

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http://www.qxswhy.com/EN/ OR http://www.qxswhy.com/EN/Y2023/V40/I4/49

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