Typhoon with cliamte change
Typhoons Converging on Korea
Historical data indicates that typhoon tracks were previously dispersed toward southern China or the open Pacific. However, recent data reveals a structural shift where typhoons are increasingly concentrated in the East China Sea. The expansion of the North Pacific High limits eastward recurvature, effectively forcing typhoons to travel through a narrow corridor between China and Japan, directly targeting the Korean Peninsula.
Impact of Arctic Oscillation on
the Northward Migration of Typhoons
The data indicates a clear poleward migration of the Lifetime Maximum Intensity (LMI) location. Compared to the past average latitude (depicted by the blue line), the recent average latitude of LMI (red line) has shifted northward. This suggests that typhoons are maintaining their peak intensity at higher latitudes rather than weakening rapidly. Consequently, the potential for strong typhoons to impact mid-latitude regions, including Korea, has escalated.
A comparative analysis between Typhoon Maemi (2003) and Typhoon Hinnamnor (2022) illustrates the evolving characteristics of super typhoons. While Maemi followed a typical weakening pattern upon approaching higher latitudes, Hinnamnor maintained 'Super Typhoon' intensity even north of 30°N. Furthermore, Hinnamnor exhibited an anomalous trajectory, demonstrating the increased unpredictability and destructive potential of typhoons driven by thermodynamic changes in the ocean and atmosphere.