A new study quantifies the tropospheric and surface impacts of extreme stratospheric wave events and evaluates their representation in state-of-the-art climate models.
polar vortex
Posted inEditors' Highlights
Modeling Stratosphere-Troposphere Coupling in a Changing Climate
Climate models have disagreed on the future evolution of the stratospheric polar vortex and links to the troposphere, but a new study revisits this problem with state-of-the-art climate models.
Posted inEditors' Highlights
Simulating Surface Impacts of Stratospheric Sudden Warmings
New evaluations of climate model simulations show how the stratosphere polar vortex couples to surface weather.
Posted inNews
Mars’s Dust Cycle Controls Its Polar Vortex and Snowfall
On Earth, the water cycle is a dominant climate force. On Mars, it’s the dust.
Posted inEditors' Highlights
Polar Vortex Linked to Atmospheric Circulation at Daily Scale
A simplified representation of polar vortex at monthly scale was revised using a new method, and its daily association with air-sea teleconnections was analyzed to study weather impacts.
Posted inNews
The Who, What, When, Where, and Why of the Polar Vortex
Here’s a rundown of what this atmospheric phenomenon really is and why it matters.
Posted inResearch Spotlights
An Extraordinary Winter in the Polar North
An exceptionally strong stratospheric polar vortex coincided with a record-breaking Arctic Oscillation pattern and ozone destruction during the 2019–2020 winter season.
Posted inEditors' Highlights
Polar Stratosphere Resolves North Atlantic Jet “Tug of War”
Getting the polar stratosphere right is critical in the simulation of North Atlantic climate change, which is shaped by the interaction of Arctic Amplification and tropical upper tropospheric warming.
Posted inEditors' Highlights
Polar Vortex Deformations Change Tidal Weather in the Mesosphere
Wind observations made by a high-latitude radar network shed new light on the rapid response of atmospheric tides in the upper mesosphere to stratospheric sudden warmings.
Posted inEditors' Vox
Atmospheric Gravity Wave Science in the Polar Regions
A joint special issue explores the potential of collaboration to help understand atmospheric gravity waves in the Polar Regions and their effect on global circulation.