Nag, Amitabh

Assistant Professor
Physics and Space Sciences

My current research interests are in the areas of atmospheric electricity, lightning physics, and applications. My research group works on measurements and modeling of electrical discharges and energetic radiation in the earth’s atmosphere, sensing technology development, electromagnetic wave propagation effects, lightning interaction with airborne vehicles, power lines, wind turbines and other tall objects, lightning protection, and meteorological applications of lightning data.

For more information please visit the Geospace Physics Laboratory website.

Educational Background

Ph.D., Electrical and Computer Engg., University of Florida, Gainesville, 2010

M.S., Electrical and Computer Engg., University of Florida, Gainesville, 2007

B. Tech, Electronics and Communication Engg., West Bengal University of Technology, Kolkata, 2005

Current Courses

PHY 2002: Physics 2 - Electricity & Magnetism

PHY 3440: Electromagnetic Theory

Professional Experience

ACADEMIC EXPERIENCE

Assistant Professor, Florida Institute of Technology, 2016 - Present

Postdoctoral Associate, University of Florida, Gainesville, 2010-2011

 

INDUSTRY EXPERIENCE

Scientist and Product Manager, Vaisala, Boulder, Colorado, 2012 - 2016

Scientist, Vaisala, Tucson, Arizona, 2011-2012

 

PROFESSIONAL SOCIETY MEMBERSHIPS

Senior Member, Institute of Electrical and Electronic Engineers

Member: AGU, AMS, CIGRE, IEC

Selected Publications

TEN MOST RECENT JOURNAL PUBLICATIONS

1. B. M. Hare, M. A. Uman, J. R. Dwyer, D.M. Jordan, M. I. Biggerstaff, J. A. Caicedo, F. L. Carvalho, R. A. Wilkes, D. A. Kotovsky, W. R. Gamerota, J. T. Pilkey, T. K. Ngin, R. C. Moore, H. K. Rassoul, S. A. Cummer, J. E. Grove, A. Nag, D. P. Betten, and A. Bozarth, Ground-level observation of a terrestrial gamma ray flash initiated by a triggered lightning, J. Geophys. Res. Atmos., 121, 6511–6533, doi:10.1002/2015JD024426, 2016.

2. R. L. Holle, N. W. S. Demetriades, and A. Nag, Objective airport warnings over small areas using NLDN cloud and cloud-to-ground lightning data, Weather and Forecasting, Vol. 31, pp. 1061-1069, doi: 10.1175/WAF-D-15-0165.1, 2016.

3. M. D. Tran, V. A. Rakov, S. Mallick, J. R. Dwyer, A. Nag, S. Heckman, A terrestrial gamma-ray flash recorded at the Lightning Observatory in Gainesville, Florida, Journal of Atmospheric and Solar- Terrestrial Physics, 136 (2015), 86–93, 2015.

4. A. Nag and V. A. Rakov, A unified engineering model of the first stroke in downward negative lightning, J. Geophys. Res. Atmos., 121, doi:10.1002/2015JD023777, 2015.

5. A. Nag, M. J. Murphy, W. Schulz, and K. L. Cummins, Lightning Locating Systems: Insights on characteristics and validation techniques, Earth and Space Science, doi: 10.1002/2014EA000051, 2015.

6. A. Nag and V.A. Rakov, A transmission-line-type model for lightning return strokes with branches, Electric Power Systems Research, Vol. 118, pp. 3-7, doi: 10.1016/j.epsr.2014.07.021, 2015.

7. A. Nag and V. A. Rakov, Parameters of electric field waveforms produced by positive lightning return strokes, IEEE Transactions on EMC, Vol. 56 (4), pp. 932 – 939, doi: 10.1109/TEMC.2013.2293628, 2014.

8. S. Mallick, V.A. Rakov, T. Ngin, W.R. Gamerota, J.T. Pilkey, J.D. Hill, M.A. Uman, D.M. Jordan, A. Nag, and R.K. Said, Evaluation of the GLD360 performance characteristics using rocket-and-wire triggered lightning data, Geophysical Research Letters, Vol. 41 (10), pp. 3636–3642, doi: 10.1002/2014GL059920, 2014.

9. V.A. Rakov, S. Mallick, A. Nag, and V.B. Somu, Lightning Observatory in Gainesville (LOG), Florida: A review of recent results, Electric Power Systems Research, Vol. 113, pp. 95–103, 2014.

10. S. Mallick, V.A. Rakov, T. Ngin, W.R. Gamerota, J.T. Pilkey, J.D. Hill, M.A. Uman, D.M. Jordan, J.A. Cramer, and A. Nag, Performance characteristics of the NLDN for return strokes and pulses superimposed on steady currents, based on rocket-triggered lightning data acquired in Florida in 2004-2012, Journal of Geophysical Research, Vol. 119 (7), pp. 3825–3856, doi: 10.1002/2013JD021401, 2014.

 

TEN MOST RECENT CONFERENCE PUBLICATIONS

1. A. Nag and K. L. Cummins, Characteristics of negative cloud-to-ground lightning over land and ocean, 33rd International Conference on Lightning Protection, Estoril, Portugal, October, 2016.

2. A. Nag, M.J. Murphy, and J.A. Cramer, Update to the U.S. National Lightning Detection Network, 24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference, 18-21 April, San Diego, California, USA, 2016.

3. J.D. Hill, C.T. Mata, W. Roeder, and A. Nag, Evaluation of the performance characteristics of MERLIN and NLDN based on two years of ground-truth data from Kennedy Space Center/Cape Canaveral Air Force, 24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference, 18-21 April, San Diego, California, USA, 2016.

4. W. Schulz, A. Nag, and M.J. Murphy, Relationship between the average number of sensors reporting and the detection efficiency of a network, 24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference, 18-21 April, San Diego, California, USA, 2016.

5. Y. Zhu, V.A. Rakov, M.D. Tran, and A. Nag, A study of NLDN responses to cloud discharge activity based on ground-truth data, Acquired at the LOG, 24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference, 18-21 April, San Diego, California, USA, 2016.

6. D. Zhang, K.L. Cummins, A. Nag, and M. Murphy, Evaluation of the National Lightning Detection Network upgrade using the Lightning Imaging Sensor, 24th International Lightning Detection Conference & 6th International Lightning Meteorology Conference, 18-21 April, San Diego, California, USA, 2016.

7. A. Nag and M. J. Murphy, Overview of modern lightning locating systems, XIII International Symposium on Lightning Protection (SIPDA), Balneario Camboriu, Brazil, September, 2015.

8. A. Nag and V. A. Rakov, A unified engineering model of the first stroke in lightning, Ninth Asia-Pacific International Lightning Conference, paper 1236, Nagoya, Japan, June, 2015.

9. D. Zhang, K. L. Cummins, and A. Nag, Assessment of cloud lightning detection by the U.S. National Lightning Detection Network using video and Lightning Mapping Array observations, Seventh Conference on the Meteorological Applications of Lightning Data, paper 7.1, 95th American Meteorological Society Annual Meeting, Phoenix, Arizona, January, 2015.

10. M.J. Murphy and A. Nag, Cloud lightning performance and climatology of the U.S. based on the upgraded U.S. National Lightning Detection Network, Seventh Conference on the Meteorological Applications of Lightning Data, paper 8.4, 95th American Meteorological Society Annual Meeting, Phoenix, Arizona, January, 2015.