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2009•Journal of Arid MeteorologyRequires access

Radar Data Analysis of a Supercell Storm

Yufei Zhang

Open publisher page 1 citations

Abstract

This paper analyzed the continuous detecting data of Lanzhou CINRAD/CC Radar about a hail process occurred in Dingxi on July 18,2008,summarized the main characteristics of the radar products during this hail process such as reflectivity,radial velocity,RCS vertical section,vertical integrated liquid content and so on.Then it discussed the detection methods for monitoring hail by Doppler Radar,found out the typical echo characteristic of supercell storms such as hook echo,bounded weak echo region(BWER),echo wall,suspended echo,obvious influx nick,existing mesocyclone etc.,and summed up some information which are good for nowcasting of hail,such as severe change of VIL,corresponding relationship of ET and hail process,obvious three-body scatter characteristic and so on,these information will be of great value for us to detect severe weather events by radar.

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What this paper is about

This paper analyzed the continuous detecting data of Lanzhou CINRAD/CC Radar about a hail process occurred in Dingxi on July 18,2008,summarized the main characteristics of the radar products during this hail process such as reflectivity,radial velocity,RCS vertical section,vertical integrated liquid content and so on.Then it discussed the detection methods for monitoring hail by Doppler Radar,found out the typical echo characteristic of supercell storms such as hook echo,bounded weak echo region(BWER),echo wall,suspended echo,obvious influx nick,existing mesocyclone etc.,and summed up some information which are good for nowcasting of hail,such as severe change of VIL,corresponding relationship of ET and hail process,obvious three-body scatter characteristic and so on,these information will be of great value for us to detect severe weather events by radar.

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Available abstract

This paper analyzed the continuous detecting data of Lanzhou CINRAD/CC Radar about a hail process occurred in Dingxi on July 18,2008,summarized the main characteristics of the radar products during this hail process such as reflectivity,radial velocity,RCS vertical section,vertical integrated liquid content and so on.Then it discussed the detection methods for monitoring hail by Doppler Radar,found out the typical echo characteristic of supercell storms such as hook echo,bounded weak echo region(BWER),echo wall,suspended echo,obvious influx nick,existing mesocyclone etc.,and summed up some information which are good for nowcasting of hail,such as severe change of VIL,corresponding relationship of ET and hail process,obvious three-body scatter characteristic and so on,these information will be of great value for us to detect severe weather events by radar.

Key concepts: Mesocyclone, Supercell, Echo (communications protocol), Radar, Storm, Nowcasting, Meteorology, Geology

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