Plateau Meteorology

Plateau Meteorology >

2014 , Vol. 33 >Issue 5: 1426 - 1439

DOI: https://doi.org/10.7522/j.issn.1000-0534.2013.00139

Application of CINRAD Mosaic Products on Artificial Hail Suppression

  • DUAN Yiping ,
  • LIU Shoudong ,
  • LIU Liping ,
  • MA Jianli ,
  • YE Xiaofeng ,
  • WANG Guanhua
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  • Yale-NUIST Center on Atmospheric Environment of Nanjing University of Information Science & Technology, Nanjing 210044, China;2. State Key Laboratory of Severe Weather Chinese Academy of Meteorological Sciences, Beijing 100081, China;3. Jiangxi Meteorological Service Center, Nanchang 330046, China;4. Beijing Weather Modification Office, Beijing 100089, China;5. Pingxiang in Jiangxi Province Meteorological Bureau, Pingxiang 337000, China

Received date: 2013-04-23

  Online published: 2014-10-28

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Abstract

On basis of the distribution characteristics of reflectivity mosaic of China new generation weather radar (CINRAD), six indexes are suggested to identify hail cloud during hail suppression by artificial means, which include composite reflectivity (CR), echo top (ET), maximum reflectivity of ET (MET), vertical integrated liquid (VIL), density of VIL (VILD), and gradient of VIL (GVIL), respectively. Some indexes are calculated depending on storm cell identification and tracking (SCIT), form the fuzzy logical method to identify the suppression area. The results indicate that the method of three-dimensional hail recognition experiment are applied multiple hail fall alone in Beijing and Jiangxi. To contrast the hail observation data, calculation of the accuracy are greater than 77% the false ratio is below 26%, empty ratio below 22% through multiple example. Consider the portfolio reflectance characteristics of three-dimensional shape distribution of fuzzy logic method can well identify most workable hail cloud, tracking simulation effect is good, is conducive to effective application in figure hail proof operation. The hail clouds which need to be suppressed by artificial means can mostly be identified according to the characteristics of reflectivity mosaic and fuzzy logical method. The method has a better tracking effect and a promising application in hail suppression.

Key words： Radar mosaic; Fuzzy-logical discri; The Storm Cell Ident; Index of suppresion; Hail suppression

Cite this article

DUAN Yiping , LIU Shoudong , LIU Liping , MA Jianli , YE Xiaofeng , WANG Guanhua . Application of CINRAD Mosaic Products on Artificial Hail Suppression[J]. Plateau Meteorology, 2014 , 33(5) : 1426 -1439 . DOI: 10.7522/j.issn.1000-0534.2013.00139

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