The ralationship between the East Asian Blocking high and heavy rain in China in summer

In this paper, the observations of the blocking high over the mid-high latitudes in east Asia (45-75°N, 80-120°E) are analysed. The results show that the continous heavy rains in the east part of China often occurred under the conditons with the blocking high circulation. The relation of the major heavy rain zones with the east wind to the south of the East Asian blocking high or with the south branch of the west jet, or with the south boundary of the north wind over the middle latitudes as well as with the axis line of the maximun south wind in the low latitudes are investigated.

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