Results 131 to 140 of about 14,203 (319)

Highlighting the Impact of Anthropogenic OCS Emissions on the Stratospheric Sulfur Budget With In Situ Observations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 9, 16 May 2025.
Abstract Carbonyl sulfide (OCS) is an important atmospheric sulfur species that plays a dominant role in the formation of (nonvolcanic) stratospheric sulfate aerosol in the middle stratosphere. Major uncertainties in surface sources and sinks and inconsistent model representation of vertical transport limit understanding of OCS distribution ...
Colin Gurganus   +11 more
wiley   +1 more source

Simulations of Convectively Coupled Kelvin Waves (CCKWs) With Three Different Cumulus Parameterization Schemes

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 9, 16 May 2025.
Abstract Convectively coupled Kelvin waves (CCKWs) significantly influence tropical rainfall variability; however, accurately simulating these waves remains a challenge in atmospheric modeling. Cumulus parameterization is a critical element in model‐generated CCKW activity among the various factors.
Se‐Hyun Lee   +3 more
wiley   +1 more source

Air Temperature Trends and Extreme Warming Events Across Regions of Antarctica for the Period 2003–2021

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 9, 16 May 2025.
Abstract We have characterized the magnitude and spatial extent of observed regional and inter‐regional air temperature trends and warming extremes across Antarctica. Prior studies have used localized observational records to analyze air temperature trends across distinct geographical regions, leaving local and inter‐regional variations to be ...
Eva Bendix Nielsen   +3 more
wiley   +1 more source

Plume Dynamics Drive Extreme Long‐Range Spotting During California's Dixie Fire

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 9, 16 May 2025.
Abstract Observations reveal extreme long‐range fire spotting occurred during California's Dixie Fire. Specifically, we describe the occurrence of remarkable 9, 12, and 16 km spotting events on 16 August 2021. Radar data reveal these spot fires are linked to bent‐over but deep convective plumes with plume tops reaching 10–12 km MSL.
N. P. Lareau
wiley   +1 more source

Effect of Regional Hadley Circulation‐Subtropical Jet Interaction: The Amplification of Central‐Pacific ENSO‐Induced Teleconnection Pattern

open access: yesGeophysical Research Letters, Volume 52, Issue 9, 16 May 2025.
Abstract The Pacific North America (PNA), a major teleconnection pattern in North Pacific atmospheric variability, is tightly linked to El Niño‐Southern Oscillation (ENSO)‐related sea surface temperature (SST) forcing. This study examines the relative effects of eastern Pacific (EP) and central Pacific (CP) ENSO in driving the PNA teleconnection during
Weihan Ma   +3 more
wiley   +1 more source

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