Meanwhile, low pressure and light southwesterly wind over East China and the Yellow Sea will bring heavy rainfall to the Korean Peninsula next week, the second monsoon of the season. Daily rainfall of 100 to 150 millimeters may hit South Korea’s capital Seoul on Monday, with high levels of rainfall extending northeast into the northern provinces of Chungcheong and North Gyeonsang. And there is no relief further into the week with 120mm to 150mm of rain expected on Tuesday and between 60mm and 80mm on Wednesday and Thursday. Overall, parts of northern South Korea could see cumulative totals between Monday and Thursday of more than 350 mm to 400 mm. Subscribe to First Edition, our free daily newsletter – every weekday morning at 7am High rainfall totals are not unusual at this time of year due to the East Asian monsoons, where warm and moist air interacts with drier and colder air to the north. Where these two air masses meet, these systems bring most of the rain to the Korean Peninsula. However, the average rainfall for a typical August in South Korea is about 250mm, which would mean that more than 150% of the average monthly rainfall would fall in four days. Meanwhile, southern areas of North Korea are also expected to see more than 300mm of rain between Monday and Wednesday. Another extreme weather scenario is playing out across eastern China this summer, with 900 million people affected by the third worst regional heat wave since 1963, second only to 2013 and 2017. Unfortunately, there is no stopping this trend. heat until August, with temperatures in provinces such as Shaanxi, Henan and Hubei often exceeding 40C this week. This is about 10 C above the climatological mean.
