A new analysis of historical jet stream behavior reveals that increases in jet stream waviness accounted for 55-71% of winter cooling in the eastern United States from 1958 to 1988.
jet stream
Posted inNews
First 3D Map of Exoplanet Weather Reveals Superfast Jet
New observations also answer a long-standing question about where this ultrahot planet keeps its titanium.
Posted inResearch Spotlights
Aerosols Could Be Weakening Summertime Circulation
Anthropogenic aerosol emissions may be a culprit behind weakening jet streams and weather systems in the Northern Hemisphere.
Posted inEditors' Vox
The Complexity of Clouds, Circulation, and Climate
A new book explores the significant influence of clouds on climate via radiation, circulation, and precipitation.
Posted inEditors' Highlights
A 150-Day Periodicity is Revealed in the Southern Extratropics
An internally generated 150-day periodicity is newly identified in the Southern Hemisphere extratropical large-scale atmospheric circulation, which arises from the annular mode’s propagating regime.
Posted inEditors' Highlights
Mesoscale Convective Systems Impact Synoptic Wave Forecast
Scientists provide a process-level understanding of how mesoscale convective systems modify the evolution of the large-scale Rossby wave packet downstream and the jet stream.
Posted inEditors' Highlights
Global Warming Intensifies Turbulence Over Northern Eurasia
A significant increasing trend of turbulence in upper atmosphere over northern Eurasia is attributed to intense anthropogenic activities.
Posted inNews
Pollution over the Tibetan Plateau Linked to Sea Ice Loss in the Arctic
New research suggests an atmospheric connection between Arctic sea ice melt and anthropogenic aerosol pollution over the Tibetan Plateau.
Posted inNews
Cleaner Air Takes Some of the Bite out of European Winters
Scientists find that reduced aerosol emissions correspond to fewer extremely cold days.
Posted inResearch Spotlights
How Will the Jet Stream Respond to Future Warming?
Simulations that test different approaches to modeling radiation suggest a commonly used scheme fails to fully capture changes in midlatitude circulation associated with climate change.