Recent Invited Presentations:

NASA Marshall Space Flight Center / University of Alabama in Huntsville.
MSFC/NSSTC Space Science Colloquium, 3 August 2009.
Thomas, J. N. et al., "In Situ Measurements of Electrodynamics Above Thunderstorms: Implications for Transient Luminous Events ".

AGU Chapman Conference on Effects of Thunderstorms and Lightning in the Upper Atmosphere.
The Pennsylvania State University, University Park, PA, 10–14 May 2009.
Thomas, J. N. et al., "In Situ Measurements of Electrodynamics Above Thunderstorms: Past Results and Future Directions".
[1.3 MB .pdf file]

URSI National Radio Science Meeting, Boulder, CO, Jan. 2008.
Thomas, J.N, et al., “Sprite and Halos Produced by Negative and Positive Cloud-to-Ground Lightning Over Argentina and Brazil”.
[1.6 MB .pdf file]

AGU Fall Meeting, San Francisco, CA, Dec. 2007.
Thomas, J.N, et al., “Very Active Sprite-Producing Thunderstorms Over Argentina".
[1.2 MB .pdf file]

NOAA Space Environment Center Seminar, Boulder, CO, July 2007.
Thomas, J. N., “In Situ Measurements to Investigate Transient Luminous Events Above Thunderstorms”.
[1.5 MB .pdf file]

 

 

USGS Geologic Hazards Team Seminar, Golden, CO, March 2006.
Thomas, J. N., “Measuring Electric and Magnetic Fields High Above Thunderstorms: Implications for Sprites, Jets, and Elves”.
[1.6 MB .pdf file]

 

AGU Fall Meeting, San Francisco, CA, Dec. 2005.
Thomas, J. N., et al., “Large Stratospheric Electric Fields Driven by Possible Upward Initiated Positive Lightning”.

URSI National Radio Science Meeting, Boulder, CO, Jan. 2005.
Thomas, J.N., et al., “In-Situ and Ground-Based Investigations of Sprites Over Brazil”.

A few other talks and posters

CEDAR Workshop 2005 Poster [1.4 MB .ppt file]

AGU Fall Meeting 2004 Talk [500 KB .ppt file]

NATO ASI 2004 Poster [4 MB .ppt file]