WeatherFanatics: Heavy Rain Threat for Eastern China This Week

Tuesday, April 22, 2014

Heavy Rain Threat for Eastern China This Week

By Eric Leister, Meteorologist

April 22,2014; 9:22PM,EDT

Parts of east and southeast China can expect heavy rain with the threat for flooding this week. Local rainfall amounts in excess of 100 mm (4 inches) are expected.
A stalled frontal boundary over southeast China will lead to daily rounds of rain and thunderstorms through Friday. During this stretch of time, 25-75 mm (1-3 inches) of rain is expected from eastern Sichuan and Guizhou into Fujian and Zhejiang provinces.
From Friday night through Sunday, another cold front will produce a period of heavy rainfall across the eastern third of China. This front will bring another 25-75 mm (1-3 inches) of rain in a short period over a more widespread region, continuing the threat for flooding.

Photo of a storm brewing over Shanghai, courtesy of Thinkstock.
Shanghai will experience some of the heavy rainfall from this round of rain and thunderstorms on Friday night and Saturday. Generally 25-50 mm (1-2 inches) is expected across the city which could produce some localized flash flooding.
The storms will also push all the way into Hong Kong by Sunday and Sunday night; however, the heaviest rainfall is expected to remain well to the north with little or no flood threat for the city.
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Shanghai, China, Forecast
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The greatest concern for flooding is the corridor from Sichuan and Guizhou through Fujian and Zhejiang, including the cities of Ganzhou, Changsha and Wenzhou where 75-150 mm (3-6 inches) of rain is expected through Sunday.
As the storm begins to depart China, a soaking rain will affect the Korean Peninsula and Japan from Sunday through Tuesday. The slow movement of this storm system could lead to some localized flooding across these areas; however, no widespread problems are expected.

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