Polar vortices play a central role in coupling the atmosphere from the ground to the middle atmosphere. New satellite diagnostics describe mesospheric polar vortices and coupling to lower altitudes.
Journal of Geophysical Research: Atmospheres
Posted inResearch Spotlights
Wind Speed Governs Turbulence in Atmospheric Inversions
Measurements made during a field campaign in Idaho indicate that the speed of winds 2 meters above Earth’s surface determines the type of turbulence present in nighttime inversions.
Posted inResearch Spotlights
Brown Carbon from Increased Shipping Could Harm Arctic Ice
Emission from a ship’s engine gives clues to how much light-absorbing molecules may build up on and above snow and sea ice. Such emissions are likely to increase as more ships venture into the Arctic.
Posted inResearch Spotlights
Evaluating the Accuracy of Seasonal Climate Predictions
An analysis of historical modeling outputs is improving our understanding of the relationships between different types of seasonal forecasting skills.
Posted inEditors' Vox
Exploring a More Dynamic Arctic Icescape
A joint special issue presents new findings from a field campaign in the Arctic Ocean which highlights key processes that need to be taken into account to predict the future of the Arctic ice pack.
Posted inResearch Spotlights
Toward More Realistic Modeling of the Mesosphere
New study reveals complex behavior of gravity waves in the atmosphere.
Posted inResearch Spotlights
Improving Tropical Cyclone Predictions in the Gulf of Mexico
The National Oceanic and Atmospheric Administration’s newest High Resolution Atmospheric Model captures the influence of intraseasonal oscillations on tropical cyclone activity.
Posted inEditors' Vox
Diagnosing the Warm Bias in the Central United States
A set of four papers published in JGR: Atmospheres present results from a project investigating why models predict warmer surface temperatures than are observed in the central United States.
Posted inEditors' Highlights
Spectral Surface Emissivity Improves Arctic Climate Simulation
Improving the representation of surface emissivity in the Community Earth System Model reduces its Arctic winter cold bias from 7 to 1 Kelvin degree.
Posted inResearch Spotlights
What Causes Flash Floods in the Middle East?
Researchers zero in on the large-scale meteorological processes driving extreme precipitation events in the hot, arid desert region.