Data Used in "Close view of of the lightning attachment process unveils the streamer zone fine structure"

This page contains high-speed video files as .gif and .cine files, for the complete video of Figure 2 (Movie S1 and S3). It also contains the video (Movie S2) from a second high-speed (Phantom V711) looking in a different direction that saw other UUL leaders not registered by the Phantom V2012 camera. There is also an Excel file containing the data analysis. The data uploaded here is sufficient to reproduce the results of the paper titled "Close view of of the lightning attachment process unveils the streamer zone fine structure", submitted for publication in Geophysical Research Letters. Instructions to watch the videos: Movie S1.cine and Movie S2.cine: Download and use the software Phantom Camera Control (PCC) available at: https://www.phantomhighspeed.com/resourcesandsupport/phantomresources/pccsoftware The Phantom Camera Control (PCC) software is compatible with Windows 7 Pro and Windows 8.1 and Windows 10, for both 32 and 64-bit operating systems.