Blue Flashes as Counterparts to Narrow Bipolar Events: The Optical Signal of Shallow In‐Cloud Discharges. - Li, Dongshuai; Luque, Alejandro; Gordillo‐Vázquez, F. J.; Liu, Feifan; Lu, Gaopeng; Neubert, Torsten; Chanrion, Olivier; Zhu, Baoyou; Østgaard, Nikolai; Reglero, Víctor (Journal of Geophysical Research. Atmospheres, 2021)