Met experts discussed causes of summer climate anomalies in east China

On October 21 to 22, over 20 meteorological experts from 6 provinces in East China and Shanghai, National Climate Center, Institute of Atmospheric Physics of Chinese Academy of Sciences gathered together in Shanghai Municipal Meteorological Bureau to discuss climate trend prediction of East China in 2014 and analyze causes of climate anomalies in 2013 summer. The representatives analyzed features of abnormally high temperature in the past summer in southern China and made a conclusion of the climate trend prediction of 2013 flood season. By making use of mathematical statistics and numerical model, these meteorological experts analyzed influences of many relevant factors to sub-tropical high. They also discussed the features and causes of abnormally high temperature in the past summer, for example, China’s summer rain belt move north from the aspect of decadal background, which was beneficial for high temperature’s development in south. Meanwhile snow in Qinghai-Tibet had reduced since winter, so the cold and hot sources conversion between Qinghai-Tibet Plateau and atmosphere became earlier. These experts also pointed out to strengthen relevant research. In the meeting, the representatives exchanged views on the climate trend in the winter from 2013 to 2014 and spring in 2014 and the physical conceptual model of influences of marine and atmospheric abnormal features to winter and spring.