Stephen Po-Chedley

PhD candidate
Atmospheric Sciences
University of Washington



graduate student in atmospheric sciences interested in climate change and its impacts

My research interests include:

  • temperature change in the tropical troposphere
  • large-scale ocean atmosphere interactions
  • reconciling microwave temperature trends
  • climate sensitivity and feedbacks
  • food security

I have spent time volunteering for health non-profits since spending time in Uganda and Malawi as a teacher, community work, and health informatics advisor. My time working in global health has helped inform how I look at climate change research and continues to be a cause I support in my free time.

Outside of school I enjoy educational outreach and playing soccer in Seattle co-rec leagues. I am a proud native of Buffalo, NY.


Education | Publications | Teaching | Honors | Data | Media
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  • Currently: PhD Candidate, University of Washington, Atmospheric Sciences
  • 2012: M.S. Atmospheric Sciences, University of Washington
  • 2008: B.S. Physics and Astronomy, Union College
  • Po-Chedley, Stephen, Tyler J. Thorsen, and Qiang Fu: “Removing diurnal cycle contamination in satellite-derived tropospheric temperatures: Understanding tropical tropospheric trend discrepancies.” J. Clim., 28 (6), 2274 - 2290, doi: 10.1175/JCLI-D-13-00767.1. [Guardian Coverage]
  • Flannaghan, T. J., S. Fueglistaler, I. M. Held, S. Po-Chedley, B. Wyman, and M. Zhao, 2014: “Tropical temperature trends in Atmospheric General Circulation Model simulations and the impact of uncertainties in observed SSTs.” J. Geophys. Res., 119, 13,327 - 13,337, doi: 10.1002/2014JD022365. [EOS Summary]
  • Po-Chedley, Stephen and Qiang Fu, 2013: “Reply to Comments on ‘A bias in the mid-tropospheric channel warm target factor on the NOAA-9 microwave sounding unit.’” J. Atm. Oceanic Techol., 30 (5), 1014 - 1020, doi: 10.1175/JTECH-D-12-00131.1.
  • Po-Chedley, Stephen and Qiang Fu, 2012: “Discrepancies in tropical upper tropospheric warming between atmospheric circulation models and satellites.” Environ. Res. Lett., 7, 044018 (8pp), doi: 10.1088/1748-9326/7/4/044018.
  • Po-Chedley, Stephen and Qiang Fu, 2012: “A bias in the mid-tropospheric channel warm target factor on the NOAA-9 microwave sounding unit.” J. Atm. Oceanic Techol., 29 (5), 646-652, doi: 10.1175/JTECH-D-11-00147.1. [UW Today]
  • Autumn 2010: TA, Introduction to Climate Change, University of Washington, Seattle
  • 2009 - 2010: Physics, St. Bernard’s Secondary School, Kiswera, Uganda
  • 2009: Mathematics, Social Studies, and English, St. Gertrude’s Primary School, Bunyere Primary School
  • IGERT Program on Ocean Change Trainee, 2014
  • NSF Graduate Research Fellow, 2010
  • Minerva Fellow, Union College, 2008
  • Udall Scholar, 2006
  • Union College Presidential Scholar, 2004
The interaction between sea surface temperature and the atmosphere
April 2015: EOS coverage of our study on the role of the warming of the west Pacific in warming the tropical troposphere.
Reconciling satellite temperature trends
March 2015: Guardian coverage of our study working toward reconciling tropical atmospheric temperature trends.


Stephen Po-Chedley

Graduate Research Assistant
Department of Atmospheric Sciences
University of Washington | Seattle
pochedls at atmos dot uw dot edu


UW Department of Atmospheric Sciences
Box 351640
ATG 408 | 4000 15th Ave NE
Seattle, WA 98195

On Campus:

ATG Building
Office 310 B
Fu Group