Impacts, processes and projections of the quasi-biennial oscillation

JA Anstey, SM Osprey, J Alexander… - Nature Reviews Earth & …, 2022 - nature.com
In the tropical stratosphere, deep layers of eastward and westward winds encircle the globe
and descend regularly from the upper stratosphere to the tropical tropopause. With a …

High‐latitude influence of the quasi‐biennial oscillation

JA Anstey, TG Shepherd - Quarterly Journal of the Royal …, 2014 - Wiley Online Library
The interannual variability of the stratospheric winter polar vortex is correlated with the
phase of the quasi‐biennial oscillation (QBO) of tropical stratospheric winds. This dynamical …

Surface impacts of the quasi biennial oscillation

LJ Gray, JA Anstey, Y Kawatani, H Lu… - Atmospheric …, 2018 - acp.copernicus.org
Teleconnections between the Quasi Biennial Oscillation (QBO) and the Northern
Hemisphere zonally averaged zonal winds, mean sea level pressure (mslp) and tropical …

The predictability of the extratropical stratosphere on monthly time‐scales and its impact on the skill of tropospheric forecasts

OP Tripathi, M Baldwin… - Quarterly Journal of …, 2015 - Wiley Online Library
Extreme variability of the winter‐and spring‐time stratospheric polar vortex has been shown
to affect extratropical tropospheric weather. Therefore, reducing stratospheric forecast error …

Geomagnetic activity signatures in wintertime stratosphere wind, temperature, and wave response

A Seppälä, H Lu, MA Clilverd… - Journal of Geophysical …, 2013 - Wiley Online Library
We analyzed ERA‐40 and ERA Interim meteorological re‐analysis data for signatures of
geomagnetic activity in zonal mean zonal wind, temperature, and Eliassen‐Palm flux in the …

Stratospheric wave reflection events modulate North American weather regimes and cold spells

G Messori, M Kretschmer, SH Lee… - Weather and Climate …, 2022 - wcd.copernicus.org
The Arctic stratospheric polar vortex is an important driver of mid-latitude cold spells. One
proposed coupling mechanism between the stratospheric polar vortex and the troposphere …

[HTML][HTML] Mean state of the Northern Hemisphere stratospheric polar vortex in three generations of CMIP models

J Rao, CI Garfinkel, T Wu, Y Lu, M Chu - Journal of Climate, 2022 - journals.ametsoc.org
Progress and persistent biases in the simulation of the stratospheric polar vortex from three
generations of Coupled Model Intercomparison Projects (CMIPs) are assessed. On average …

Seasonal evolution of the quasi‐biennial oscillation impact on the Northern Hemisphere polar vortex in winter

J Zhang, F Xie, Z Ma, C Zhang, M Xu… - Journal of …, 2019 - Wiley Online Library
Using potential vorticity to define Northern Hemisphere (NH) stratospheric polar vortex
strength and position, the influence of the QBO on the polar vortex in winter is analyzed. The …

Role of stratospheric processes in climate change: Advances and challenges

W Tian, J Huang, J Zhang, F Xie, W Wang… - Advances in Atmospheric …, 2023 - Springer
In this review, instead of summarizing all the advances and progress achieved in
stratospheric research, the main advances and new developments in stratosphere …

The stratospheric pathway of La Niña

M Iza, N Calvo, E Manzini - Journal of Climate, 2016 - journals.ametsoc.org
Abstract A Northern Hemisphere (NH) polar stratospheric pathway for La Niña events is
established during wintertime based on reanalysis data for the 1958–2012 period. A robust …