Profuse activity of blue electrical discharges at the tops of thunderstorms

• Blue Discharges From Thunderstorm Tops
• Olivier Chanrion, Torsten Neubert, Andreas Mogensen, Yoav Yair, Martin Stendel, Rajesh Singh, Devendraa Siingh

• Geophysical Research Letters, January 2017, American Geophysical Union (AGU)
• DOI: 10.1002/2016gl071311