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Colloquia and Special Seminars

The department and CIRA jointly host weekly colloquia held Thursday afternoons in ATS 101 (the large classroom of the main building). Refreshments are served at 2:45 p.m. in the community space, and the presentation begins at 3 p.m. The department hosts other seminars that also are announced on the colloquium mailing list. You can subscribe to the list by sending a message to

If you would like to invite a speaker, please first read the colloquium guide for hosts and check this page for available dates. Contact Maria Rugenstein ( or Kristen Rasmussen ( with questions. The faculty member hosting the speaker arranges the speaker's visit schedule.

Upcoming Colloquia and Seminars

September 29, 2022 at 3 p.m. Toward credible predictions of aerosol-cloud interactions in Earth system models
Po-Lun Ma from Pacific Northwest National Laboratory
Hosted by Christine Chiu
October 6, 2022 at 3 p.m. Observational constraints on the cloud feedback pattern effect
Tim Myers from NOAA Physical Sciences Laboratory
Hosted by Dave Randall
October 13, 2022 at 3 p.m. Title to be announced
Cecilia Bitz
Hosted by Emily Fischer and Jim Hurrell
October 20, 2022 at 3 p.m. The partitioning of poleward energy transport in the climate system; model biases and the near invariance of total energy transport under climate forcing
Aaron Donohoe from University of Washington
Hosted by Maria Rugenstein
October 27, 2022 at 3 p.m. Title to be announced
Danielle Touma
Hosted by Jim Hurrell
November 3, 2022 at 3 p.m. Title to be announced
Josh Hacker
Hosted by Elizabeth Barnes
November 10, 2022 at 3 p.m. Title to be announced
Russ Schumacher and Becky Bolinger from Colorado Climate Center
Hosted by Kristen Rasmussen
November 17, 2022 at 3 p.m. Title to be announced
Markus Petters
Hosted by Sonia Kreidenweis
December 1, 2022 at 3 p.m. Title to be announced
Dan McGrath
Hosted by Pat Keys
December 8, 2022 at 3 p.m. Title to be announced
Angie Pendergrass
Hosted by Chris Kummerow

Past Colloquia and Seminars

2022 Spring Fall
2021 Spring Fall
2020 Spring Fall
2019 Spring Fall
2018 Spring Fall
2017 Spring Fall
2016 Spring Fall
2015 Spring Fall
2014 Spring Fall
2013 Spring Fall
2012 Spring Fall
2011 Spring Fall
2010 Spring Fall
2009 Spring Fall
2008 Spring Fall
2007 Spring Fall