Flood and heatwaves in Asia (IMAGE)
Caption
Schematic diagram illustrating the mechanism how Asian summer climate is connected to the zonal flow over TP. (a) Climatological westerly flow prevails. (b) Easterly flow prevails such as in 2022. Red curves indicate isentropic surfaces, and arrows indicate the direction of air flow. As adiabatic flow moves along isentropic surfaces, westerly flow generates descent (ascent) on the western (eastern) side of TP, which account for the hot desert climate on the western side of TP and moist climate on the eastern side of TP. The vertical motion on the eastern and western sides of TP are swapped when easterly flow prevails over TP, accounting for the extreme heat wave (flood) on the eastern (western) side of TP in 2022.
Credit
Chao He
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