The online map of average annual rainstorm days in China from 1981 to 2010 comes from China Severe Weather and Climate Atlas (1961-2015). This atlas is compiled by the National Climate Center and published by the meteorological publishing house.
This atlas is compiled based on the statistics of national meteorological observation data, including 16 kinds of disastrous weather and climate graphic analysis products affecting China, including typhoon, rain and waterlogging, snow disaster, cold wave, gale, sandstorm, low temperature and cold damage, high temperature, drought, lightning, hail, frost, freezing, fog, haze and acid rain, such as the spatial distribution map of annual and seasonal occurrence frequency, the spatial distribution map of certain characteristic values, the national and regional frequency of the changes over the years (1961-2015), the national and regional frequency of the monthly changes, etc., a total of more than 300 Width.
In addition, the disaster information change maps of major meteorological disasters such as typhoon, rain and waterlogging, low-temperature freezing damage and snow disaster, drought, lightning and hail are compiled, and individual cases of major historical disaster events such as typhoon, rain and waterlogging, sandstorm, low-temperature freezing damage and snow disaster, high temperature and drought are selected. In order to facilitate readers' reading and comprehension, this atlas not only provides a large number of intuitive graphics, but also provides text descriptions of the main features.
This atlas is a reference book for understanding China's disastrous weather and climate. It can be used by business, scientific research, teaching and other personnel in the fields of meteorology, agriculture, water conservancy, geography, education, environment, land and resources, as well as by relevant departments such as disaster prevention and reduction, construction planning and so on.
The number of days of annual rainstorm (daily precipitation ≥50 mm) decreases from southeast to northwest, with more than 3 days in the Huaihe River, most areas south of the Qinling Mountains, and southern Huanghuai, including most of South China, southwestern Zhejiang, most of Jiangxi, and southern Anhui. It lasts for 5 to 9 days in places such as eastern Hubei, and more than 9 days in some areas along the coast of South China; it usually takes 1 to 3 days in the lower reaches of the Yellow River, the Haihe River Basin, and the Liaohe River Basin; and heavy rains occasionally occur in western China.
Online map of the maximum annual rainstorm days in China from 1961 to 2015
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