Member Since 2004
Paul Williams
Professor of Atmospheric Science, University of Reading
AGU Research
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Reduced Winter‐Time Clear Air Turbulence in the Trans‐Atlantic Region Under Stratospheric Aerosol Injection
GEOPHYSICAL RESEARCH LETTERS
25 april 2025
Katie Barnes, Anthony C. Jones, Paul Williams, Jam...

Clear air turbulence (CAT) is a safety threat within the aviation sector and is projected to worsen under global warming. Stratospheric aerosol inj...

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Jet Streams in a Changing Climate: Evidence for Large Increases in Shear and Turbulence since 1979
THE DYNAMICS OF LARGE-SCALE ATMOSPHERIC CIRCULATION IN PRESENT AND FUTURE CLIMATES: JET STREAMS, STORM TRACKS, STATIONARY WAVES, AND MONSOONS IV ORAL
atmospheric sciences | 13 december 2024
Paul Williams, Isabel Smith, Mark Prosser
The jet streams are a crucial part of the global atmospheric circulation. Jet streams are highly sheared regions of the atmosphere, leading to KelvinH...
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Evidence for Large Increases in Clear‐Air Turbulence Over the Past Four Decades
GEOPHYSICAL RESEARCH LETTERS
08 june 2023
Mark Prosser, Paul Williams, Graeme Marlton, R.Gil...

Clear‐air turbulence (CAT) is hazardous to aircraft and is projected to intensify in response to future climate change. However, our understa...

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The Performance of Filtered Leapfrog Schemes in Benchmark Simulations
NUMERICAL COUPLING OF ATMOSPHERIC PROCESSES IN CURRENT AND FUTURE MODELS: CHALLENGES AND PATHS FORWARD II POSTER
atmospheric sciences | 14 december 2022
Paul Williams, Jerry Straka, Katharine M. Kanak
The stabilisation of the leapfrog time-stepping scheme provided by the RobertAsselin filter has enabled decades of atmospheric and oceanic research an...
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Does ENSO Affect Global Clear-Air Turbulence?
GENERAL SESSION: ATMOSPHERIC DYNAMICS AND CLIMATE I ORAL
atmospheric sciences | 14 december 2021
Paul Williams, Rachel Cheyne
Clear-air turbulence (CAT) is a major hazard to flying aircraft. It is generated by vertical wind shear instabilities in the upper troposphere and low...
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Can Climate Models Successfully Diagnose Clear-Air Turbulence and its Response to Climate Change?
GENERAL CONTRIBUTIONS IN GLOBAL ENVIRONMENTAL CHANGE I ORAL
global environmental change | 14 december 2021
Paul Williams, Luke Storer
Atmospheric turbulence causes the majority of weather-related aircraft accidents. Climate models project large increases in clear-air turbulence as th...
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Pro‐L* ‐ A Probabilistic L* Mapping Tool for Ground Observations
SPACE WEATHER
20 february 2021
Rhys Leighton L. Thompson, Steven Morley, Clare Wa...

Both ground and space observations are used extensively in the modeling of space weather processes within the Earth’s magnetosphere. In radia...

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Accounting for Variability in ULF Wave Radial Diffusion Models
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
06 august 2020
Rhys Leighton L. Thompson, Clare Watt, Paul Willia...

Many modern outer radiation belt models simulate the long‐time behavior of high‐energy electrons by solving a three‐dimensional F...

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