Local-scale circulation associated with enhanced poleward moisture transport for Meiyu-Baiu heavy rainfall over western Japan
Bibliographic Data
| ID | 15547236 |
|---|---|
| Authors | Shinji Matsumura (0000-0003-0324-5719, National Research Institute for Earth Science and Disaster Resilience, corresponding author), Satoshi Iizuka (0000-0002-0480-3754, National Research Institute for Earth Science and Disaster Resilience) |
| Year | 2023 |
| Volume | 18 |
| Issue | 11 |
| Pages | 114038-114038 |
| Publication date | 2023-10-12 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Environmental Research Letters (JOURNAL) |
| Journal identifiers | ISSN: 1748-9326 • E-ISSN: 1748-9326 |
| Publisher | IOP Publishing (PUBLISHER • GB) |
| DOI | 10.1088/1748-9326/ad02ac |
| OpenAlex | W4387567315 |
| Language | EN |
| References cited | 34 |
Heavy rainfall events in western Japan during early July have become more frequent, yet the underlying mechanism behind this trend during the late stage of the Meiyu-Baiu rainy season remains unclear. Our long-term analysis of short-duration events revealed that a quasi-stationary Rossby wave train enhances the poleward transport of moisture from the western Pacific, contributing to the frequent occurrence of heavy rainfall events over western Japan. The local-scale circulation over the East China Sea plays a substantial role in producing this quasi-stationary Rossby wave train, which is closely linked to enhanced deep convection over the Kuroshio warm current, characterized by a distinct sea surface temperature (SST) front. The coarse resolution of both the model and SST data may hinder the ability of climate simulations to capture the local-scale circulation, underscoring the importance of quasi-stationary atmospheric circulation for a better understanding of heavy rainfall events through poleward moisture transport
Atmospheric Circulation · Atmospheric sciences · Circulation (fluid dynamics · Climate change · Climatology · Convection · Front (military · General Circulation Model · Geography · Meteorology · Moisture · Rossby wave · Sea surface temperature · Climate variability and models · Environmental Science · Meteorological Phenomena and Simulations · Tropical and Extratropical Cyclones Research · Geology · Oceanography
A Formulation of a Phase-Independent Wave-Activity Flux for Stationary and Migratory Quasigeostrophic Eddies on a Zonally Varying Basic Flow
The Version-2 Global Precipitation Climatology Project (GPCP) Monthly Precipitation Analysis (1979–Present)
The ERA5 global reanalysis
Changes in the SST-precipitation relationship over the Indo-Pacific warm pool under a warming climate
| Citation velocity | historical |
|---|---|
| Highly cited | No |