Wang et al. (2026) Modulation of High‐Temperature Events in the Pearl River Delta by Tropical Cyclones With Different Track Types

⚠️ Warning: This summary was generated from the abstract only, as the full text was not available.

Identification

• Journal: International Journal of Climatology
• Year: 2026
• Date: 2026-09-04
• Authors: Haiying Wang, Ruifen Zhan, Yuqing Wang, Yu Du, Zunya Wang, Kexin Song
• DOI: 10.1002/joc.70550

Research Groups

Not specified in the provided text.

Short Summary

This study examines how different tropical cyclone (TC) track types influence temperature events in the Pearl River Delta (PRD) and finds that global warming will likely weaken both TC-induced warming and cooling effects due to a decrease in TC frequency.

Objective

• To investigate the modulation of high-temperature events in the Pearl River Delta (PRD) by various tropical cyclone (TC) track types and determine how these effects change under global warming.

Study Configuration

• Spatial Scale: Regional (Pearl River Delta, China).
• Temporal Scale: Not explicitly stated (includes historical observations and future climate simulations).

Methodology and Data

• Models used: High-resolution climate simulations.
• Data sources: Observational datasets and reanalysis datasets.

Main Results

• Track-Dependent Temperature Impacts:
  • Short-track (westward-moving): Strongest warming at intermediate distances (800–1700 km); cooling when approaching the PRD.
  • Long-track (northwestward-moving): Strongest cooling within 800 km of the PRD; warming at larger distances.
  • Near-shore recurving: Warming during the westward-approaching stage; no significant impact during the eastward-departing stage.
  • Far-ocean recurving: Limited direct influence due to distance.
• Physical Mechanisms:
  • Warming (Short/Long tracks): Driven by a westward-extended subtropical high and enhanced large-scale subsidence.
  • Warming (Near-shore recurving): Driven by TC-induced subsidence on the western flank.
  • Cooling (Short/Long tracks): Driven by cloud-radiative effects and precipitation-induced cooling.
• Future Projections: Global warming is expected to decrease the frequency of all TC track types, leading to a weakening of both warming and cooling effects, although the net impact remains cooling.

Contributions

The study provides a nuanced understanding of the relationship between TC trajectories and regional temperature anomalies in the PRD, distinguishing between the radiative/precipitation-driven cooling and the subsidence-driven warming mechanisms.

Funding

Not specified in the provided text.

Citation

@article{Wang2026Modulation,
  author = {Wang, Haiying and Zhan, Ruifen and Wang, Yuqing and Du, Yu and Wang, Zunya and Song, Kexin},
  title = {Modulation of High‐Temperature Events in the Pearl River Delta by Tropical Cyclones With Different Track Types},
  journal = {International Journal of Climatology},
  year = {2026},
  doi = {10.1002/joc.70550},
  url = {https://doi.org/10.1002/joc.70550}
}