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Impacts of stratospheric polar vortex changes on tropospheric blockings over the Atlantic region
In recent years, extreme weather events associated with atmospheric blocking in the northern extratropics have become more frequent. This study has revealed the impacts of the stratospheric polar vortex on the...
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Article
Open AccessA stratospheric precursor of East Asian summer droughts and floods
East Asian floods and droughts in summer show a typical dipole pattern with a north-south oscillation centered near 30°N, called the southern drought–northern flood (SDNF) pattern, which has caused significant...
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Article
The Influence of Meridional Variation in North Pacific Sea Surface Temperature Anomalies on the Arctic Stratospheric Polar Vortex
This study examines the dependence of Arctic stratospheric polar vortex (SPV) variations on the meridional positions of the sea surface temperature (SST) anomalies associated with the first leading mode of Nor...
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Article
Open AccessRole of Stratospheric Processes in Climate Change: Advances and Challenges
In this review, instead of summarizing all the advances and progress achieved in stratospheric research, the main advances and new developments in stratosphere-troposphere coupling and stratospheric chemistry-...
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Article
Zonally Asymmetric Temperature Trends near the Northern Middle and High Latitude Stratopause during Winter
The temperature trend near the stratopause is rarely evaluated owing to the limited long-term observations of global temperature. In this study, the spatial patterns of the temperature trends near the northern...
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Open AccessImportant role of stratosphere-troposphere coupling in the Arctic mid-to-upper tropospheric warming in response to sea-ice loss
Recent studies have suggested that deep Arctic warming, extending from the surface to the upper troposphere, could trigger mid-latitude atmospheric circulation changes, while shallow Arctic warming, confined i...
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Article
Open AccessSurface ocean current variations in the North Pacific related to Arctic stratospheric ozone
Using reanalysis datasets and a coupled general circulation model, the relationship between springtime Arctic total column ozone (TCO) and surface (5 m) ocean currents in the North Pacific is investigated. We ...
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Correction to: Impacts of stratospheric polar vortex changes on wintertime precipitation over the northern hemisphere
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Impacts of stratospheric polar vortex changes on wintertime precipitation over the northern hemisphere
The impacts of Arctic stratospheric polar vortex (SPV) on wintertime precipitation over the Northern Hemisphere are analyzed based on various datasets. Two groups of ensemble climate model experiments with the...
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Article
Record Arctic Ozone Loss in Spring 2020 is Likely Caused by North Pacific Warm Sea Surface Temperature Anomalies
Record ozone loss was observed in the Arctic stratosphere in spring 2020. This study aims to determine what caused the extreme Arctic ozone loss. Observations and simulation results are examined in order to sh...
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Open AccessNorthern hemisphere cold air outbreaks are more likely to be severe during weak polar vortex conditions
Severe cold air outbreaks have significant impacts on human health, energy use, agriculture, and transportation. Anomalous behavior of the Arctic stratospheric polar vortex provides an important source of subs...
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Article
Role of the quasi-biennial oscillation in the downward extension of stratospheric northern annular mode anomalies
Using the JRA-55 reanalysis datasets and radiosonde observations, the impact of the quasi-biennial oscillation (QBO) on the downward extension of stratospheric Northern Annular Mode (NAM) signals in its positi...
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Article
The effects of stratospheric meridional circulation on surface pressure and tropospheric meridional circulation
Based on ERA-Interim and JRA-55 daily reanalysis datasets, connections among the variations in the Brewer–Dobson circulation (BDC) intensity, stratospheric air mass, surface pressure, and the tropospheric meri...
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Comparisons of AGRI/FY-4A Cloud Fraction and Cloud Top Pressure with MODIS/Terra Measurements over East Asia
Fengyun-4A (FY-4A), the second generation of China’s geostationary meteorological satellite, provides high spatiotemporal resolution cloud products over East Asia. In this study, cloud fraction (CFR) and cloud to...
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Article
Open AccessSolar impacts on decadal variability of tropopause temperature and lower stratospheric (LS) water vapour: a mechanism through ocean–atmosphere coupling
Solar signals in the atmosphere and the ocean, especially in tropopause temperatures and lower stratospheric water vapour are investigated using recent observational and reanalyses data sets for the period fro...
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Article
Open AccessZonally asymmetric trends of winter total column ozone in the northern middle latitudes
Using various satellite-based observations, a linear ozone transport model (LOTM), a chemistry-climate model (WACCM3) and an offline chemical transport model (SLIMCAT), zonally asymmetric trends of the total c...
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Article
An advanced impact of Arctic stratospheric ozone changes on spring precipitation in China
The effect of spring Arctic Stratospheric Ozone (ASO) changes on spring precipitation in China is analyzed using observations, reanalysis data, and the Whole Atmosphere Community Climate Model version 4 (WACCM...
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Article
The connection between the second leading mode of the winter North Pacific sea surface temperature anomalies and stratospheric sudden warming events
Using the Hadley Center HadISST dataset and the NCEP/NCAR reanalysis dataset over the winters (December–February) from 1948 to 2014, this paper investigates the connections between the first two primary compon...
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Open AccessRecent strengthening of the stratospheric Arctic vortex response to warming in the central North Pacific
The stratospheric Arctic vortex (SAV) plays a critical role in forecasting cold winters in northern mid-latitudes. Its influence on the tropospheric mid- and high-latitudes has attracted growing attention in r...
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Open AccessStratospheric ozone loss over the Eurasian continent induced by the polar vortex shift
The Montreal Protocol has succeeded in limiting major ozone-depleting substance emissions, and consequently stratospheric ozone concentrations are expected to recover this century. However, there is a large un...
