The chief climate characteristics in 2000 are as follows: in most parts of China,precipitation was less than or near the normal, droughts appeared throughout the nation, the northern part, in particular,suffered exceptionally severe drought that were seldom seen in spring and summer; in rainy season, no heavy rainfall and floods happened in extensive regions; in fall, continuous steady rain appeared south of the Huanghe River and Huaihe River. Temperature was near or higher than normal in most parts, with the sustainable warmer winter stopped changing, and the summer was hot. Sand storm and dust devil in spring in northern parts were extremely frequent. Less typhoons landed, severe convective weather,such as hails and tornadoes decreased obviously.