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2016年4-10月我国主要暴雨天气过程简述

Major heavy rain events in China from April to October in 2016

  • 摘要: 利用中国大陆2 400多站日降水资料和常规探空资料,统计2016年4-10月我国主要暴雨天气过程,概述各主要暴雨过程的降水分布和天气形势特征。结果表明: 2016年4-10月我国共出现204个暴雨日、41次主要暴雨过程,暴雨日数为近9年同期最多;除8月外,其余各月长江中下游地区月累计降水较常年同期偏多5成,其中7月偏多2倍以上,月累计降水中心出现在湖北江夏,较常年同期偏多近6倍;6月30日-7月6日,长江中下游地区出现大范围强降水,局地过程累计降水量超过700 mm;2016年共有8个台风登陆我国,其中1608号超强台风“电母”造成海南临高日降水量达538.3 mm、过程降水量达857.8 mm,均为当年全国极大值。

     

    Abstract: Based on the daily precipitation data from over 2 400 weather stations and the conventional sounding data in mainland China, we have not only made the statistics of the major heavy rain events occurred in China from April to October in 2016, but also conducted a survey of the precipitation distribution and the weather conditions for these events. Results indicate that during this period, 204 heavy rain days and 41 major heavy rain events occurred in China, of which the heavy rains days is recorded as the most during the same period of the latest 9 years. The monthly cumulative precipitation is more than climatology by 50 percent in the middle and lower reaches of the Yangtze River from April to October except for August, of which is more than 2 times in July. The center of monthly cumulative precipitation is located at Jiang Xia station in Hubei, which is more than climatology by nearly 6 times. During June 30 to July 6 in 2016, the middle and lower reaches of the Yangtze River underwent a wide range of severe precipitation events, in which the cumulative precipitation is over 700 mm in local area. In 2016, there are 8 typhoons made landfall in China, of which the super typhoon (1614) Meranti caused the largest daily precipitation (538.3 mm) and the largest cumulative precipitation (857.8 mm) in Lingao, Hainan. Both statistics are the largest in China in the current year.

     

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