TCC’s Latest Report Reveals Shocking Asian Monsoon Trends for 2024
Tokyo Climate Center, Japan Mateorological Agency’s latest autumn 2024 review, ‘TCC News No.78’ provides data and update on surface climate, atmospheric, and oceanographic conditions during the Asian summer monsoon (June–September 2024). Means from 1991–2020 were used as the base period normal.
Rainfall exceeded 140% of the normal in and around Pakistan and northern Vietnam and in areas from eastern Mongolia to northern China. Over 200% of the normal rainfall occurred in and around Pakistan, TCC reports.
Heavy rainfall from June–August caused at least 840 fatalities from Bangladesh to Afghanistan, according to the official regional government data reported in the review. In the month of September, 410 fatalities were reported from Nepal to Iran, the review adds.
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Some areas reported below normal precipitation in the summer monsoon of 2024, 1991-2020 used as the base period. According to the report, less than 60% of normal rainfall was observed in parts of southern Central Asia.
Most of Central, South, Southeast, and East Asia experienced above-normal temperatures for the four-month mean temperatures for the comparable periods. Below-normal temperatures were recorded in parts of South and Southeast Asia.
- Japan: Hottest summer (June to August) since 1898 as temperatures rose to record highs.
- Korea: Hottest summer since 1973.
- China: Monthly mean temperature highs for July, August, and September since 1961.
- Hong Kong: Second-hottest summer mean temperature recorded since 1884.
Tropical Cyclones observations reported in the review show that there were 18 named tropical cyclones (climatological normal: 18.6) over the western North Pacific and the South China Sea by the end of the month of September in 2024.
