ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Different Characteristics of Anomalous Typhoon Activities over Western North Pacific Between Summer and Autumn in 2024
- Article
- Figures
- Metrics
- Preview PDF
- Reference
- Related
- Cited by
- Materials
Abstract:
Based on the operational real-time typhoon data of National Meteorological Centre and other sources of observations including the ERA5 reanalysis data from the European Centre for Medium-Range Weather Forecasting, we analyzed the characteristics of typhoon activities in western North Pacific in 2024. We revealed the different features of typhoons between summer and autumn in 2024 from three aspects: typhoon genesis, typhoon activity, and typhoon landfall. In the summer of 2024, the typhoons genesis number was lower than normal, with the genesis region shifted northward and eastward, and weaker maximum intensities. No typhoons were generated from June 1 to July 18, while the peak summer season saw frequent typhoon occurrences, mostly following northwestward and northward tracks. The number of typhoons landing in China was less than usual, with weaker landfall intensities. However, typhoons were more active in autumn. The typhoon genesis number ranked the third highest in history, with their genesis location shifting northward and westward, and their intensities being unusually strong. Typhoon activities were characterized by distinct periodicity and clustering, with most following westward or northwestward tracks. The number of typhoon landfalls was relatively higher, and the landfall intensities were stronger than the average. Further research showed that the significant differences between summer and autumn typhoons in 2024 were closely related to multiple factors such as the lag effect of sea surface temperature in the year following El Ni?o, the abnormal Western Pacific subtropical high, the phase transition of the tropical intraseasonal oscillation, the onset and withdrawal of the South China Sea summer monsoon, etc.
Keywords:
Project Supported:
Clc Number:
Mobile website
