China Central Meteorological Observatory issued the first drought early warning this year. In 10 provinces, there were moderate and above meteorological droughts, and even special droughts occurred in local areas.
The so -called "meteorological drought" refers to the phenomenon of moisture shortage caused by the imbalance of evaporation and the income and expenditure of precipitation, the water expenditure is greater than the water income.The characteristics of the special drought are that the soil has a severe insufficient water for a long time. The dry and death of the plants on the surface, which has a serious impact on crops and ecological environments, and has a greater impact of industrial production and human and animal drinking water.
According to China Weather Network, the Central Meteorological Channel issued a meteorological arid yellow warning at 6 pm on Thursday (August 18). Since July 1 this year, Jiangnan, Jianghuai, Jianghan, Sichuan and Chongqing and other places have less precipitationThe temperature is high, the high temperature weather duration is long, the extremes are strong, and the weather drought develops rapidly.
Southern Jiangsu, southern Anhui, western Hubei, most Zhejiang, Jiangxi, Hunan, Guizhou, Chongqing, Sichuan, Middle and East Tibet, etc.drought.
The above -mentioned dry areas are expected to maintain high temperature and rainy weather in the next three days, and the drought of meteorological drought will continue to develop.