M. Leila Mays, Ph.D. 
(other surnames: Markus, Malayeri)
NASA Goddard Space Flight Center
Heliophysics Science Division
Space Weather Laboratory
Mail Code 674, Greenbelt, MD 20771
Bldg 21, Room 259
Phone: 301-286-1999
E-mail: m.leila.mays at nasa dot gov
CV (PDF) | Personal page

Kilpua, E.K.J., N. Lugaz, M. L. Mays, and M. Temmer. (2019). Forecasting the Structure and Orientation of Earthbound Coronal Mass Ejections, Space Weather, 17.

C. Verbeke, M. L. Mays, M. Temmer, S. Bingham, R. Steenburgh, M. Dumbović, M. Núñez, L.K. Jian, P. Hess, C. Wiegand, A. Taktakishvili, J. Andries. (2018), Benchmarking CME Arrival Time and Impact: Progress on Metadata, Metrics, and Events, Space Weather, 17. doi:10.1029/2018SW002046. [arXiv]

Richardson, I.G., M.L. Mays, and B.J. Thompson. (2018), Prediction of Solar Energetic Particle Event Peak Proton Intensity Using a Simple Algorithm Based on CME Speed and Direction and Observations of Associated Solar Phenomena, Space Weather, 16. 10.1029/2018SW002032

Riley, P., Mays, L., Andries, J., Amerstorfer, T., Biesecker, D., Delouille, V., et al. (2018). Forecasting the arrival time of coronal mass ejections: Analysis of the CCMC CME scoreboard. Space Weather, 16. 10.1029/2018SW001962

Nita, B. and 46 co-authors including M. L. Mays (2018), Roadmap for Reliable Ensemble Forecasting of the Sun-Earth System, NSF workshop report/white paper [arXiv].

Lee, C. O., Jakosky, B. M., Luhmann, J. G., Brain, D. A., Mays, M. L., Hassler, D. M., et al. (2018). Observations and impacts of the 10 September 2017 solar events at Mars: An overview and synthesis of the initial results. Geophysical Research Letters, 45. doi: 10.1029/2018GL079162

Guo, J., Dumbović, M., Wimmer‐Schweingruber, R. F., Temmer, M., Lohf, H., Wang, Y., Veronig, A., Hassler, D. M., Mays, M. L. et al. (2018). Modeling the evolution and propagation of September 2017 CMEs and SEPs arriving at Mars constrained by remote sensing and in situ measurement. Space Weather, 16. doi: 10.1029/2018SW001973

T. Amerstorfer, C. Möstl, P. Hess, M. Temmer, M. L. Mays, M. A. Reiss, P. Lowrance, P.‐A. Bourdin, Ensemble prediction of a halo coronal mass ejection using heliospheric imagers (2018), Space Weather, 16, doi:10.1029/2017SW001786 [arXiv].

J. G. Luhmann, M. L. Mays, Y. Li, C. O. Lee, H. Bain, D. Odstrcil, R. A. Mewaldt, C. M. S. Cohen, D. Larson, G. Petrie (2018). Shock connectivity and the late cycle 24 solar energetic particle events in July and September 2017. Space Weather, 16. doi:10.1029/2018SW001860.

A. M. Wold, M. L. Mays, A. Taktakishvili, L. K. Jian, D. Odstrcil, P. MacNeice, Verification of real-time WSA-ENLIL+Cone simulations of CME arrival-time at the CCMC from 2010-2016 (2018), Journal of Space Weather and Space Climate, 8, A17, doi:10.1051/swsc/2018005 [arXiv].

Dumbović, M.; Čalogović, J.; Vršnak, B.; Temmer, M.; Mays, M. L.; Veronig, A.; Piantschitsch, I. (2018), The Drag-based Ensemble Model (DBEM) for Coronal Mass Ejection Propagation, ApJ, 854, 180. doi:10.3847/1538-4357/aaaa66.

N. A. Schwadron, F. Rahmanifard, J. Wilson, A. P. Jordan, H. E. Spence, C. J. Joyce, J. B. Blake, A. W. Case, W. de Wet, W. M. Farrell, J. C. Kasper, M. D. Looper, N. Lugaz, M. L. Mays, J. E. Mazur, J. Niehof, N. Petro, C. W. Smith, L. W. Townsend, R. Winslow, C. Zeitlin (2018), Update on the worsening particle radiation environment observed by CRaTER and implications for future human deep-space exploration, Space Weather Journal, 16, doi: 10.1002/2017SW001803

Winslow, R.M., Schwadron, N.A.; Lugaz, N.; Guo, J.; Joyce, C.J.; Jordan, A.P.; Wilson, J.K.; Spence, H.E.; Lawrence, D.J.; Wimmer-Schweingruber, R.F.; Mays, M.L. (2018), Opening a Window on ICME-driven GCR Modulation in the Inner Solar System, ApJ, 856, 139. 10.3847/1538-4357/aab098.

O. Witasse, B. Sánchez-Cano, M. L. Mays, [and 48 others] (2017), Interplanetary coronal mass ejection observed at STEREO-A, Mars, comet 67P/Churyumov-Gerasimenko, Saturn, and New Horizons en-route to Pluto. Comparison of its Forbush decreases at 1.4, 3.1 and 9.9 AU, J. Geophys. Res. Space Physics, 122, doi:10.1002/2017JA023884.

A.P. Rouillard, B. Lavraud, V. Génot, M. Bouchemit, N. Dufourg, I. Plotnikov, R.F. Pinto, E. Sanchez-Diaz, M. Lavarra, M. Penou, C. Jacquey, N. André, S. Caussarieu, J.-P. Toniutti, D. Popescu, E. Buchlin, S. Caminade, P. Alingery, J.A. Davies, D. Odstrcil, L. Mays (2017), A propagation tool to connect remote-sensing observations with in-situ measurements of heliospheric structures, Planetary and Space Science, 147, 61-77, doi: 10.1016/j.pss.2017.07.001.

J. G. Luhmann, M. L. Mays, D. Odstrcil, Yan Li, H. Bain, C. O. Lee, A. B. Galvin, R. A. Mewaldt, C. M. S. Cohen, R. A. Leske, D. Larson, Y. Futaana (2017), Modeling Solar Energetic Particle Events Using ENLIL Heliosphere Simulations, Space Weather, 15, doi:10.1002/2017SW001617.

B. Sánchez‐Cano, B. E. S. Hall, M. Lester, M. L. Mays, O. Witasse, R. Ambrosi, D. Andrews, M. Cartacci, A. Cicchetti, M. Holmström, S. Imber, P. Kajdič, S. E. Milan, R. Noschese, D. Odstrcil, H. Opgenoorth, J. Plaut, R. Ramstad, K. I. Reyes‐Ayala (2017), Mars plasma system response to solar wind disturbances during solar minimum, J. Geophys. Res. Space Physics, 122, doi:10.1002/2016JA023587.

D. Lario, R.-Y. Kwon, I. G. Richardson, N. E. Raouafi, B. J. Thompson, T. T. von Rosenvinge, M. L. Mays, P. A. Mäkelä, H. Xie, H. M. Bain, M. Zhang, L. Zhao, H. V. Cane, A. Papaioannou, N. Thakur, P. Riley (2017), The Solar Energetic Particle Event of 2010 August 14: Connectivity with the Solar Source Inferred from Multiple Spacecraft Observations and Modeling, Astrophysical Journal, 838, 1. doi:10.3847/1538-4357/aa63e4.

Savani, N. P., A. Vourlidas, I. G. Richardson, A. Szabo, B. J. Thompson, A. Pulkkinen, M. L. Mays, T. Nieves-Chinchilla, and V. Bothmer (2017), Predicting the magnetic vectors within coronal mass ejections arriving at Earth: 2. Geomagnetic response, Space Weather, 15, 441–461, doi:10.1002/2016SW001458.

H. M. Bain, M. L. Mays, J. G. Luhmann, Y. Li, L.K. Jian, and D. Odstrcil (2016), Shock Connectivity in the August 2010 and July 2012 Solar Energetic Particle Events inferred from Observations and ENLIL Modeling, Astrophysical Journal, 825, 1. doi:10.3847/0004-637X/825/1/1.

Jian, L. K., P. J. MacNeice, M. L. Mays, A. Taktakishvili, D. Odstrcil, B. Jackson, H.-S. Yu, P. Riley, and I. V. Sokolov (2016), Validation for global solar wind prediction using Ulysses comparison: Multiple coronal and heliospheric models installed at the Community Coordinated Modeling Center, Space Weather, 14, 592–611, doi:10.1002/2016SW001435.

Winslow, R. M., N. Lugaz, N. A. Schwadron, C. J. Farrugia, W. Yu, J. M. Raines, M. L. Mays, A. B. Galvin, and T. H. Zurbuchen (2016), Longitudinal conjunction between MESSENGER and STEREO A: Development of ICME complexity through stream interactions, J. Geophys. Res. Space Physics, 121, doi:10.1002/2015JA022307.

Dewey, R. M., D. N. Baker, M. L. Mays, D. A. Brain, B. M. Jakosky, J. S. Halekas, J. E. P. Connerney, D. Odstrcil, J. G. Luhmann, and C. O. Lee (2016), Continuous solar wind forcing knowledge: Providing continuous conditions at Mars with the WSA-ENLIL + Cone model, J. Geophys. Res. Space Physics, 121, doi:10.1002/2015JA021941.

Mays, M. L., B. J. Thompson, L. K. Jian, R. C. Colaninno, D. Odstrcil, C. Möstl, M. Temmer, N. P. Savani, A. Taktakishvili, P. J. MacNeice, Y. Zheng (2015), Propagation of the 7 January 2014 CME and Resulting Geomagnetic Non-Event, Astrophysical Journal, 812, 145. doi:10.1088/0004-637X/812/2/145. [arXiv]

Y. Zheng, M. Kuznetsova, A. Pulkkinen, M. Maddox, M. L. Mays (2015), Research-based monitoring, prediction, and analysis tools of the spacecraft charging environment for spacecraft users, IEEE Transactions on Plasma Science, accepted.

Savani, N. P., A. Vourlidas, A. Szabo, M. L. Mays, I. G. Richardson, B. J. Thompson, A. Pulkkinen, R. Evans, and T. Nieves-Chinchilla (2015), Predicting the magnetic vectors within coronal mass ejections arriving at Earth: 1. Initial architecture, Space Weather, 13, 374–385. doi:10.1002/2015SW001171.

Mays, M. L., A. Taktakishvili, A. A. Pulkkinen, D. Odstrcil, P. J. MacNeice, L. Rastaetter, J. A. LaSota, Y. Zheng, and M. M. Kuznetsova (2015), Ensemble modeling of CMEs using the WSA-ENLIL+Cone model, Solar Physics, 290, 1775. doi:10.1007/s11207-015-0692-1. [arXiv]

Möstl, C., T. Rollett, R. Frahm, Y. Liu, D. Long, R. Colaninno, M. Reiss, M. Temmer, C. Farrugia, A. Posner, M. Dumbović, M. Janvier, P. Démoulin, P. Boakes, A. Devos, E. Kraaikamp, M. L. Mays, B. Vršnak (2015), Strong coronal channeling and interplanetary evolution of a solar storm up to Earth and Mars, Nature Communications, 6:7135. doi:10.1038/ncomms8135.

Vršnak, B., M. Temmer, T. Žic, A. Taktakishvili, M. Dumbović, C. Möstl, A. M. Veronig, M. L. Mays, and D. Odstrčil (2014), Heliospheric Propagation of Coronal Mass Ejections: Comparison of Numerical WSA-ENLIL+CONE Model and Analytical Drag-Based Model, Astrophysical Journal Supplement Series, 213, 21, doi:10.1088/0067-0049/213/2/21.

Gilbert, H. R., A. R. Inglis, M. L. Mays, L. Ofman, B. J. Thompson, C. A. Young (2013), Energy release from impacting prominence material following the 2011 June 7 eruption, Astrophysical Journal Letters, 776, L12, doi:10.1088/2041-8205/776/1/L12.

Ngwira, C.M., A. Pulkkinen, M.L. Mays, M.M. Kuznetsova, A.B. Galvin, K. Simunac, K., D.N. Baker, X. Li, X., Y. Zheng, A. Glocer (2013): Simulation of the 23 July 2012 extreme space weather event: What if this extremely rare CME was Earth directed?, Space Weather, 11, 671. doi:10.1002/2013SW000990

Baker, D. N., X. Li, A. Pulkkinen, C. M. Ngwira, M. L. Mays, A. B. Galvin, and K. D. C. Simunac (2013), A Major Solar Eruptive Event in July 2012: Defining Extreme Space Weather Scenarios, Space Weather, 11, 585. doi: 10.1002/swe.20097.

Zheng, Y., P. Macneice, D. Odstrcil, M. L. Mays, L. Rastaetter, A. Pulkkinen, A. Taktakishvili, M. Hesse, M. M. Kuznetsova, H. Lee, A. Chulaki (2013), Forecasting propagation and evolution of CMEs in an operational setting: What has been learned, Space Weather, 11, 557–574, doi: 10.1002/swe.20096.

Evans, R. M., A. A. Pulkkinen, Y. Zheng, M. L. Mays, A. Taktakishvili, M. M. Kuznetsova, and M. Hesse (2013), The SCORE Scale: A Coronal Mass Ejection Typification System Based On Speed, Space Weather, 11, 333–334, doi: 10.1002/swe.20058.

Xie, H., D. Odstrcil, M. L. Mays, O. C. St. Cyr, N. Gopalswamy, and H. Cremades (2012), Understanding shock dynamics in the inner heliosphere with modeling and Type II radio data: The 2010-04-03 event, J. Geophys. Res., 117, A04105, doi:10.1029/2011JA017304.

Barbara J. Thompson, Sarah E. Gibson, Peter C. Schroeder, David F. Webb and Charles N. Arge, et al. (2011), A Snapshot of the Sun Near Solar Minimum: The Whole Heliosphere Interval, Solar Physics, Volume 274, Numbers 1-2, Pages 29-56, doi:10.1007/s11207-011-9891-6.

Andriyas, T., E. Spencer, A. Raj, J. Sojka, and M. L. Mays (2012), Forecasting the Dst index during corotating interaction region events using synthesized solar wind parameters, J. Geophys. Res., 117, A03204, doi:10.1029/2011JA017018.

Spencer, E., P. Kasturi, S. Patra, W. Horton, and M. L. Mays (2011), Influence of solar wind–magnetosphere coupling functions on the Dst index, J. Geophys. Res., 116, A12235, doi:10.1029/2011JA016780.

Mays, M. L., W. Horton, E. Spencer, and J. Kozyra (2009), Real-time predictions of geomagnetic storms and substorms: Use of the Solar Wind Magnetosphere-Ionosphere System model, Space Weather, 7, S07001, doi:10.1029/2008SW000459.

Spencer, E., A. Rao, W. Horton, and M. L. Mays (2009), Evaluation of Solar Wind - Magnetosphere Coupling Functions during Geomagnetic Storms with the WINDMI Model, J. Geophys. Res., 114, A02206, doi:10.1029/2008JA013530.

Kaladze, T. D., W. Horton, T. W. Garner, J. W. Van Dam, and M. L. Mays (2009), A method for the intensification of atomic oxygen green line emission by internal gravity waves, J. Geophys. Res., 113, A12307, doi:10.1029/2008JA013425.

Brady, P., W. Horton, M. L. Mays, Y. Zakharov, and T. Ditmire (2009), Laboratory Experiments Simulating Solar Wind Driven Magnetospheres, Physics of Plasmas , 16, 043112, doi:10.1063/1.3085786.

Mays, M. L., W. Horton, J. Kozyra, T. H. Zurbuchen, C. Huang, and E. Spencer (2007), Effect of Interplanetary Shocks on the AL and Dst Indices, Geophys. Res. Lett., 34, L11104, doi:10.1029/2007GL029844.

Mays, M. L., O. C. St. Cyr, E. Quemerais, J.-L.Bertaux, S. Yashiro, and R. Howard (2007), An Attempt to Detect Coronal Mass Ejections in Lyman-alpha using SOHO SWAN, Solar Physics, 241(1), 113-125. doi:10.1007/s11207-007-0196-8.

Spencer, E. A., W. Horton, M. L. Mays, I. Doxas, and J. Kozyra (2007), Analysis of the 3-7 October 2000 and 15-24 April 2002 geomagnetic storms with an optimized nonlinear dynamical model, J. Geophys. Res., 112, A04S90, doi:10.1029/2006JA012019.

W. Horton, M. L. Mays, and E. Spencer (2006), Physics Modeling of Storms and Substorms with Solar Wind Data, Eighth International Conference on Substorms Proceedings.
Doctoral Dissertation:
The Study of Interplanetary Shocks, Geomagnetic Storms, and Substorms with the WINDMI Model, August 2009, Supervisor: Professor Wendell Horton.

Astronomy Workshop