Member Since 2005
Amy H. Butler
Research physicist, National Oceanic and Atmospheric Administration
AGU Research
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Externally-forced changes to stratosphere-troposphere coupling mode influences Southern Hemisphere seasonal climate predictability
EXTRATROPICAL LARGE-SCALE ATMOSPHERIC CIRCULATION VARIABILITY II ELIGHTNING
atmospheric sciences | 15 december 2023
Amy H. Butler, Eun-Pa Lim, Isla Simpson
Stratosphere-troposphere coupling in the Southern Hemisphere (SH) occurs primarily in austral spring, and the dominant mode of variability in this ver...
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Sensitivity of Easterly QBO's Boreal Winter Teleconnections and Surface Impacts to SSWs
EXTRATROPICAL LARGE-SCALE ATMOSPHERIC CIRCULATION VARIABILITY I ORAL
atmospheric sciences | 15 december 2023
Dillon Elsbury, Amy H. Butler, Yannick Peings, Gud...
The Quasi-Biennial Oscillation (QBO) is known to influence the boreal winter surface circulation. The QBO affects extratropical surface circulation an...
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Primary Drivers of Extreme Stratospheric Origin Ozone near the Surface in Western North America
DYNAMICS AND CHEMISTRY OF THE UPPER TROPOSPHERE AND LOWER STRATOSPHERE (UTLS) V POSTER
atmospheric sciences | 15 december 2023
Jae Won Lee, Yutian Wu, Amy H. Butler, John Albers
Surface ozone levels have substantial adverse effects on human health and occasionally have a significant stratospheric origin. Positive trends in str...
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Seasonal Influence of Antarctic Sea Ice on Southern Hemisphere Stratosphere-Troposphere Coupling
POLAR AMPLIFICATION AND ITS CONNECTION TO LOWER-LATITUDE WEATHER AND CLIMATE II POSTER
atmospheric sciences | 15 december 2023
Dillon Elsbury, Divya Rea, Amy H. Butler, Lantao S...
While a weakening of the boreal polar vortex has been linked to autumnal Arctic sea ice loss, less is known about the seasonal influence of Antarctic ...
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Injection strategy – a driver of atmospheric circulation and ozone response to stratospheric aerosol geoengineering
STRATOSPHERIC AND TROPOSPHERIC COMPOSITION CHANGES: OBSERVATIONS AND MODELING OF SPECIAL EVENTS, FEEDBACK MECHANISMS, AND LONG-TERM TRENDS II ORAL
atmospheric sciences | 13 december 2023
Ewa Bednarz, Amy H. Butler, Daniele Visioni, Yan Z...
The injection of sulfate aerosol precursors into the lower stratosphere (SAI) has been proposed to mitigate some of the negative impacts of rising gre...
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Influence of stratosphere-troposphere coupling on surface climate across timescales
ATMOSPHERIC SCIENCES 2023 ASCENT AND HOLTON AWARD WINNERS
atmospheric sciences | 13 december 2023
Amy H. Butler, Alexey Karpechko, Chaim Garfinkel
Variability in the circumpolar westerly winds of the winter polar stratosphere-- the stratospheric polar vortex-- has a known downward influence on th...
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Potential Non‐Linearities in the High Latitude Circulation and Ozone Response to Stratospheric Aerosol Injection
GEOPHYSICAL RESEARCH LETTERS
16 november 2023
Ewa Bednarz, Daniele Visioni, Amy H. Butler, Ben K...
The impacts of Stratospheric Aerosol Injection (SAI) on the atmosphere and surface climate depend on when and where the sulfate aerosol precursors ...
Amplified Decadal Variability of Extratropical Surface Temperatures by Stratosphere‐Troposphere Coupling
GEOPHYSICAL RESEARCH LETTERS
24 august 2023
Amy H. Butler, Alexey Karpechko, Chaim Garfinkel
The dominant pattern of Northern Hemisphere extratropical climate variability is the Northern Annular Mode (NAM), which in wintertime represents th...