| 宜丰县短时强降水云图回波数值产品特征分析 |
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| 引用本文： | 洪丽霞,马中元,罗燕,黎辉文,辛玮琦,范小军.宜丰县短时强降水云图回波数值产品特征分析[J].气象水文海洋仪器,2021(1). |
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| 作者姓名： | 洪丽霞 马中元 罗燕 黎辉文 辛玮琦 范小军 |
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| 作者单位： | 江西省气象科学研究所;宜丰县气象局 |
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| 基金项目： | 国家自然科学基金面上项目“粤桂汛期暖区暴雨的触发机理及对比研究”(41675045);国家自然科学基金面上项目“江南地区暖区暴雨对流触发机制及组织结构研究”(41975001);中国气象局气象关键技术集成与应用项目(CMAGJ2013M74);中国气象科学研究院开放课题(2012LASWB01);南京雷达气象与强天气开放基金(BJG201205)资助. |
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| 摘 要： | 文章研究了江西省宜丰县短时强降水天气的卫星云图、雷达回波和数值预报等产品的特征。利用江西自动气象站数据、MICAPS系统云图、江西WebGIS雷达拼图和武汉数值预报产品等资料,采用统计分析、形态对比、特征提取和相似性对比等方法,对2017-2019年宜丰县4次暴雨和大暴雨过程中的短时强降水天气特征进行了分析。研究结果为提高宜丰县短时强降水的预警预报能力、开展气象服务奠定了基础,提供了依据。
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| 关 键 词： | 宜丰暴雨 短时强降水 云图特征 回波特征 数值预报 |
Analysis of numerical product characteristics of cloud image echo of Yifeng short-term heavy precipitation |
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| Hong Lixia,Ma Zhongyuan,Luo Yan,Li Huiwen,Xin Weiqi,Fan Xiaojun.Analysis of numerical product characteristics of cloud image echo of Yifeng short-term heavy precipitation[J].Meteorological，Hydrological and Marine Instruments,2021(1). |
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| Authors: | Hong Lixia Ma Zhongyuan Luo Yan Li Huiwen Xin Weiqi Fan Xiaojun |
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| Affiliation: | (Jiangxi Institute of Meteorological Sciences,Nanchang 330046;Yifeng Meteorological Bureau,Yifeng 336300) |
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| Abstract: | This paper mainly studies the characteristics of satellite images,radar echoes and numerical forecasts of short-term heavy precipitation in Yifeng county of Jiangxi province.Using Jiangxi automatic weather station data,MICAPS system cloud picture,Jiangxi WebGIS radar jigsaw puzzle and Wuhan numerical forecast products,the characteristics of short-term heavy precipitation during four rainstorms and heavy rainstorms in Yifeng from 2017 to 2019 were analyzed by means of statistical analysis,morphological comparison,feature extraction and similarity comparison.The results lay a foundation for improving the early warning and forecasting ability of short-term heavy rainfall and developing meteorological service in Yifeng county. |
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| Keywords: | Yifeng rainstorm short-term heavy precipitation cloud image characteristics echo characteristics numerical forecasting |
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