Climate observation of the Three Gorges Region of the Yangtze River in 2019

This report provides a broad overview of the climate and the major weather and climate events over the Three Gorges Region of the Yangtze River (TGR) in 2019.The year 2019,a 0.3 ℃ warmer year than normal,had a colder winter and warmer spring,summer,and autumn.Annual precipitation in 2019 was 13％ less than normal.Below average normal rainfall amounts were received in all four seasons,with 28％ and 16％ less-than-normal in winter and summer,respectively.The annual mean wind speed in the TGR was higher than normal,and relative humidity was near normal for all four seasons.The intensity of acid rain in 2019 was the weakest since 1999.The major climate events and meteorological disasters in the TGR in 2019 included heat waves,drought,and rainstorms.Heat waves occurred frequently and persisted for long durations.Summer and autumn drought occurred in central and eastern regions of the TGR.The autumn rains of West China occurred earlier this year,which brought much more rainfall than normal in central and western regions of the TGR.