Capturing year-to-year variations of the stratospheric polar vortex’s annual evolution enables skillful prediction of subseasonal-to-seasonal (S2S) cold-season anomalies up to six months in advance.
everything atmospheric
Posted inScience Updates
Tracking Microplastics Above and Below the Waves
Measuring plastic particles carried on Cozumel’s sea breezes and ocean currents reveals how simple physics shapes the particles’ pathways and the impacts they may have on coastal regions.
Posted inEditors' Highlights
Next Generation Fluid Flow Solver for Earth System Modeling
A new fluid solver from the Climate Modeling Alliance sets a benchmark in atmospheric modeling, with unmatched consistency in moist thermodynamics, energy conservation, and CPU/GPU scaling.
Posted inResearch & Developments
UCAR Sues Federal Agencies
The lawsuit alleges that the federal agencies are “waging a campaign of retaliation” against Colorado and its institutions because the state has not bowed to federal authorities.
Posted inEditors' Highlights
Slow Atmospheric Circulations Shape Storm Tracks and Wave-Breaking Patterns
Connections between fast and slow parts of the atmosphere are analyzed over 35 years to understand the links between storms, weather regimes, and atmospheric wave breaking events.
Posted inEditors' Highlights
Tropopause Temperature Drives Tropical Cyclone Simulation Diversity
Tropopause temperature biases create major tropical cyclone differences in models; cooler air boosts storm potential intensity, raising global cyclone frequency and hurricanes in experiments.
Posted inResearch & Developments, Uncategorized
Senate Committee Approves Bill to Expand NOAA Capabilities
The markup meeting, to discuss the NASA Transition Authorization Act of 2026 and the Weather Research and Forecasting Innovation Reauthorization Act of 2026, lasted less than 20 minutes.
Posted inEditors' Highlights
The “Wet-Gets-Wetter” Response to Climate Change Does Not Always Apply
While the precipitation response to a warming climate is often stated as the “wet gets wetter,” this response does not apply to east-west overturning circulations like the Pacific Walker circulation.
Posted inEditors' Highlights
Human Effects on Background Atmosphere have Affected Mercury Chemistry
Atmospheric mercury chemistry has evolved over time due to changes in atmospheric composition, especially for changing concentrations of bromine radicals, hydroxyl radicals, and ozone.
Posted inEditors' Highlights
Future Hotspots of Hazardous Rivers in the Atmosphere
Atmospheric rivers can produce heavy precipitation and associated hazards worldwide. A new study identifies regions where these hazards have already, and will further, increase with global heating.