Extreme precipitation events happened in this July

01-08-2012 Source:China Meteorological News Press

This year in July, China saw a number of large-scale severe rainfall processes. National precipitation exceeds the normal level with extreme daily precipitation and extreme continuous precipitation events in some areas. Experts say that we are facing a tough situation now, and local government and relevant departments should continue to strengthen meteorological disaster prevention and mitigation.


In July, the national average precipitation is 130.4 mm, 13.5% higher than the same period of normal years (114.9 mm), and is the highest level since 1999.


In China, there are 100 meteorological stations reaching the level of extreme daily precipitation events and they are distributed mainly in Beijing, Tianjin, Hebei, Shanxi, Inner Mongolia, Hunan, Sichuan, Anhui and Zhejiang. The daily precipitation of 22 stations reach or exceed the historical extremes. On July 21 and 22, Beijing was hit by extraordinary storm with 190.3 mm rainfall as the highest level since 1951.


In addition, frequent rainstorms since July also led to geological disasters such as floods, landslides, mudslides and urban waterlogging in Southwest China, South of the Yangtze River and North China. Haihe River, Yellow River, and the upper reaches of the Yangtze River Valley undergoes tough period in terms of flood defense. On July 24, the Yangtze River Three Gorges saw the largest flood peak ever since building the reservoir.


Meteorological experts point out that August is still the main flood season for China. Severe convective weather such as rainstorm, thunderstorm and gale will occur repeatedly. The public should strengthen the awareness of disaster prevention and mitigation and pay close attention to weather changes.(Aug. 1)    

Reporter Luan Fei

Editor Shi Long

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