Charles Powell

G1.17

Centre for Mathematical Sciences

University of Cambridge

Hi! I’m a PhD student in the Atmosphere & Ocean Dynamics group at the University of Cambridge. My supervisors are Prof. Peter Haynes and Prof. John Taylor.

My current reserach focus is the problem of stratospheric hydration by convective overshoots in the tropics. To get to grips with the mechanisms at play, we study the idealised fluid dynamical problem of convective penetration of a buoyant plume into a stably stratified layer, using numerical simulations. Aside from my PhD project, my research interests cover a wide range of atmospheric phenomena, from large scales (QBO, internal gravity waves, teleconnections) to small (turbulent mixing, convection).

Beyond maths, I have two main pastimes: rowing and amateur meteorology/cloudspotting. See here for my cloudspotting log.

selected publications

Hurricane Season 2024 Retrospective

Charles Powell, and Ruth Petrie

Dec 2024

Website

Diagnosing tracer transport in convective penetration of a stably stratified layer

Charles Powell, Peter Haynes, and John Taylor

Journal of Fluid Mechanics, Dec 2024

Bib PDF

@article{powell2024,
  author = {Powell, Charles and Haynes, Peter and Taylor, John},
  title = {{Diagnosing tracer transport in convective penetration of a stably stratified layer}},
  journal = {Journal of Fluid Mechanics},
  year = {2024},
  volume = {997},
  number = {A48},
  doi = {10.1017/jfm.2024.662},
  websit = {https://doi.org/10.1017/jfm.2024.662},
}

Poster: Minimal moisture models in convective penetration of a stably stratified layer

Charles Powell, Peter Haynes, and John Taylor

In UK Climate Dynamics Workshop , Bath, UK, Dec 2024

Poster

Automated Spectrogram Analysis for Meteor Head Echoes

Charles Powell

WGN, Journal of the International Meteor Organization, Apr 2019

Bib PDF

@article{powell2019,
  author = {Powell, Charles},
  title = {{Automated Spectrogram Analysis for Meteor Head Echoes}},
  journal = {WGN, Journal of the International Meteor Organization},
  year = {2019},
  month = apr,
  volume = {47},
  number = {2},
  pages = {55-65},
  adsurl = {https://ui.adsabs.harvard.edu/abs/2019JIMO...47...55P},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System},
}

Temporal and Spatial Variation of Meteor Flux in Radio Data

Charles Powell, and Kristina Veljkovic

WGN, Journal of the International Meteor Organization, Aug 2017

Bib PDF

@article{powell2017_2,
  author = {Powell, Charles and Veljkovic, Kristina},
  title = {{Temporal and Spatial Variation of Meteor Flux in Radio Data}},
  journal = {WGN, Journal of the International Meteor Organization},
  year = {2017},
  month = aug,
  volume = {45},
  number = {4},
  pages = {73-81},
  adsurl = {https://ui.adsabs.harvard.edu/abs/2017JIMO...45...73P},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System},
}