Extraordinarily wet summer mei-yu of 2020 in eastern Asia (IMAGE)
Caption
The cover is a rough diagram of the circulation which occurred during the extraordinarily wet summer mei-yu of 2020 in eastern Asia. It shows how the rainfall principally occurred as a result of warm, moist low level flow from the south meeting colder, upper level flow from the north. High pressure (denoted by the "H'), normally over the western North Pacific was also further west than usual, helping to feed additional moisture, from the south, towards the regions most impacted by the flooding.
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Advances in Atmospheric Sciences
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