Videos of Lightning Flashes Imaged by FALMA
⚡This is a collection of videos of interesting lightning flashes imaged by FALMA during the summer of 2017 in Gifu, Japan.
A brief description of FALMA can be found here.
⚡Seven more videos can be found in the supporting information of this GRL paper.
20170818 21:27:36 1503059256.1
A -CG flash initiated from the upper positive charge region at an altitude of about 11 km.
Downward Video 47
20170822 17:57:59 1503392279.3
A hybrid flash first developed as a normal -CG flash. Later an upward negative leader developed from the positive leader channel.
Downward Video 46
20170818 20:29:01 1503055741.0
A hybrid flash first developed as a normal IC flash. Later a recoil leader created a new channel after passing the origin and progressed to the ground.
Downward Video 45
20170822 17:35:24 1503390924.2
A simple CG flash with two terminations.
Downward Video 44
20170822 17:30:55 1503390655.3
A simple CG flash and a simple IC flash occurred simultaneously.
Downward Video 43
20170810 22:49:12 1502372952.6
A simple bolt-from-the-blue type lightning flash.
Downward Video 42
20170724 21:12:44 1500898364.0
An IC flash with two long horizontal leaders.
Downward Video 41
20170714 10:25:45 1499995545.9
Two nearby IC flashes. One only contains a vertical channel. The other has the typical two-layer structure.
Downward Video 40
20170714 10:00:06 1499994006.4
Two flashes very close to each other. One is an IC flash initiating at a high altitude. The other is a CG flash.
Downward Video 39
20170714 09:28:59 1499992139.2
An IC flash with the typical two-layer structure.
Downward Video 38
20170714 09:17:47 1499991467.0
Two flashes very close to each other. One is an IC flash only containing a vertical channel. The other is a hybrid flash with complicated structures and long duration.
Downward Video 37
20170714 09:04:46 1499990686.4
A very simple CG flash with a leader first propagating horizontally and then downward to the ground.
Downward Video 36
20170714 08:53:31 1499990011.3
A CG flash with three terminations.
Downward Video 35
20170714 08:40:28 1499989228.4
A CG flash with two terminations. Multiple dart leaders were clearly imaged.
Downward Video 34
20170822 18:06:13 1503392773.0
A CG flash. The first stepped leader turned back upward and did not touch the ground. The second stepped leader started from a turning point of the first stepped leader.
Downward Video 33
20170820 21:49:08 1503233348.6
An IC flash. The negative first developed upward from the main negative charge region to the upper positive charge region like a normal IC flash.
Then it turned downward and seemed to be intercepted by the lower positive charge region and did not reach the ground.
Downward Video 32
20170818 22:05:04 1503061504.6
A CG flash with two terminations.
Downward Video 31
20170818 21:59:56 1503061196.3
A CG flash with complicated in-cloud processes.
Downward Video 30
20170818 21:54:43 1503060883.1
A CG flash with complicated in-cloud processes.
Downward Video 29
20170818 21:32:48 1503059568.0
A CG flash. A long negative leader developed during the latter half of this flash.
Downward Video 28
20170818 21:08:55 1503058135.8
A CG flash with three terminations, an upward negative leader and numerous in-cloud branches.
Downward Video 27
20170818 21:04:35 1503057875.2
An IC flash with the typical two-layer structure.
Downward Video 26
20170818 21:03:52 1503057832.2
A CG flash. The initial leader was very slow and seemed to be "dead" and was not involved in the following development of this flash.
Downward Video 25
20170818 21:02:31 1503057751.5
A CG flash with numerous in-cloud branches.
Downward Video 24
20170818 21:00:51 1503057651.1
A CG flash. A dart leader first brightened a branch and then traversed the main channel.
Downward Video 23
20170818 20:46:40 1503056800.6
A bolt-from-the-blue type hybrid flash.
Downward Video 22
20170818 06:26:56 1503005216.5
An IC flash first formed the typical two-layer structure and then another vertical channel developed from the main negative charge region, forming a peculiar structure.
Downward Video 21
20170818 05:59:08 1503003548.3
A hybrid flash.
Downward Video 20
20170818 05:08:38 1503000518.1
A hybrid flash.
Downward Video 19
20170818 04:40:27 1502998827.1
A bolt-from-the-blue type hybrid flash with a very simple structure.
Downward Video 18
20170818 02:01:06 1502989266.3
A hybrid flash.
Downward Video 17
20170818 01:27:32 1502987252.2
An IC flash with the typical two-layer structure, but the low layer contained many more branches.
Downward Video 16
20170818 01:20:45 1502986845.8
A hybrid flash.
Downward Video 15
20170818 01:19:31 1502986771.2
An IC flash with the typical two-layer structure.
Downward Video 14
20170818 01:07:25 1502986045.3
An IC flash. New negative leader developed from the middle of the initial vertical channel.
Downward Video 13
20170818 01:01:40 1502985700.5
An IC flash with the typical two-layer structure.
Downward Video 12
20170818 00:57:21 1502985441.0
A CG flash with three terminations. The influence of the lower positive charge region can be seen.
Downward Video 11
20170818 00:56:04 1502985364.0
A hybrid flash. A negative downward leader first propagated downward but turned horizontal into the lower positive charge region.
Later a new negative leader developed from the turning point of the old leader and reached the ground.
Downward Video 10
20170818 00:53:24 1502985204.8
A CG flash with two terminations.
Downward Video 9
20170818 00:47:34 1502984854.7
A hybrid flash with complicated structures.
Downward Video 8
20170818 00:28:11 1502983691.7
A hybrid flash containing several negative leaders propagating in different directions.
Downward Video 7
20170818 00:13:15 1502982795.6
An IC flash starting with two concurrent upward negative leaders.
Downward Video 6
20170817 23:37:48 1502980668.1
A hybrid flash first developed as a normal IC flash. Later a negative leader developed from an old channel and reached the ground.
Downward Video 5
20170817 23:17:56 1502979476.9
A simple IC flash. The negative leader had horizontal propagations first in an upper layer and later in a lower layer.
Downward Video 4
20170817 23:02:32 1502978552.0
A simple bolt-from-the-blue type hybrid flash.
Downward Video 3
20170714 09:45:42 1499993142.5
A CG flash. A long quiet time after the first return stroke.
Downward Video 2
20170714 08:39:41 1499989181.1
A simple IC flash with the typical two-layer structure.
Downward Video 1