High-speed video observation of needles formed during the leader stage in a positive cloud-to-ground flash

The data supports the manuscript entitled “High-speed video observation of needles formed during the leader stage in a positive cloud-to-ground flash”. The high-speed video data files of the positive cloud-to-ground lightning of *.cihx and *.avi can be opened by Photron Camera Control software (Photron Fastcam Viewer) that can be download from this link: https://photron.com/photron-support/ In addition, MATLAB can open the *.mat file (electric field change data), and Microsoft Excel can open the *.xlsx file (Guangdong-Hong Kong-Macao Lightning Location data. The data can be used freely for scientific purposes with the appropriate citation.