1 00:00:00,000 --> 00:00:21,920 I 2 00:00:21,930 --> 00:00:35,690 you 3 00:00:42,060 --> 00:00:39,060 old sayings aside lightning sometimes 4 00:00:45,120 --> 00:00:42,070 does strike twice but perhaps not always 5 00:00:47,370 --> 00:00:45,130 in the same place can one lightning bolt 6 00:00:49,640 --> 00:00:47,380 somehow trigger a second so called 7 00:00:53,310 --> 00:00:49,650 sympathetic strike many miles away 8 00:00:55,710 --> 00:00:53,320 what's closely this is lightning as seen 9 00:00:58,140 --> 00:00:55,720 from the Space Shuttle seem to be 10 00:01:01,320 --> 00:00:58,150 sympathetic flashes want to go off and a 11 00:01:02,760 --> 00:01:01,330 couple next to it Roger that these 12 00:01:04,700 --> 00:01:02,770 flashes are very interesting because 13 00:01:07,830 --> 00:01:04,710 they show a possible relationship 14 00:01:10,260 --> 00:01:07,840 between very large flashes separated by 15 00:01:11,820 --> 00:01:10,270 large distances hopefully the shuttle 16 00:01:14,010 --> 00:01:11,830 data will help us to understand this 17 00:01:15,960 --> 00:01:14,020 phenomenon and that's just one of the 18 00:01:18,030 --> 00:01:15,970 objectives of lightning research being 19 00:01:19,380 --> 00:01:18,040 conducted by scientists here at NASA's 20 00:01:22,170 --> 00:01:19,390 Marshall Space Flight Center in 21 00:01:24,300 --> 00:01:22,180 Huntsville Alabama and some new answers 22 00:01:26,190 --> 00:01:24,310 will likely come from an ongoing series 23 00:01:28,680 --> 00:01:26,200 of space shuttle based lightning 24 00:01:30,960 --> 00:01:28,690 experiments the shuttles television 25 00:01:33,120 --> 00:01:30,970 cameras will be used to simulate what 26 00:01:35,609 --> 00:01:33,130 future lightning sensors will see a 27 00:01:37,800 --> 00:01:35,619 global weather computer called Makeda's 28 00:01:40,050 --> 00:01:37,810 will alert the crew to what storms lie 29 00:01:43,290 --> 00:01:40,060 ahead so that additional pictures can be 30 00:01:45,510 --> 00:01:43,300 taken ultimately NASA hopes to use this 31 00:01:47,550 --> 00:01:45,520 information to design lightning sensing 32 00:01:49,680 --> 00:01:47,560 instruments to be placed on future 33 00:01:52,620 --> 00:01:49,690 satellites and on the space station 34 00:01:54,390 --> 00:01:52,630 freedom if we put lightning sensors into 35 00:01:56,070 --> 00:01:54,400 geostationary orbit into low-earth orbit 36 00:01:58,020 --> 00:01:56,080 will be able to get a global mapping of 37 00:02:00,060 --> 00:01:58,030 lightning activity improving our 38 00:02:02,340 --> 00:02:00,070 understanding of the basic physics of 39 00:02:03,930 --> 00:02:02,350 storms and developing new ways to 40 00:02:06,270 --> 00:02:03,940 observe them will lead to better 41 00:02:08,190 --> 00:02:06,280 forecasting abilities making us all 42 00:02:10,620 --> 00:02:08,200 safer from this deadly force of nature 43 00:02:12,390 --> 00:02:10,630 perhaps we're just beginning to 44 00:02:15,840 --> 00:02:12,400 understand what this research may lead 45 00:02:18,240 --> 00:02:15,850 to as an example we've uncovered some 46 00:02:19,860 --> 00:02:18,250 relationships between lightning activity 47 00:02:21,630 --> 00:02:19,870 the flash rate of lighting and the 48 00:02:23,550 --> 00:02:21,640 precipitation rain volume of the cloud 49 00:02:26,070 --> 00:02:23,560 if we can establish this relationship 50 00:02:28,110 --> 00:02:26,080 and quantifying further we would be able 51 00:02:29,910 --> 00:02:28,120 to then use whitening from lightning 52 00:02:31,020 --> 00:02:29,920 observations from space to turn on with 53 00:02:33,420 --> 00:02:31,030 the rainfall rate from a particular 54 00:02:35,820 --> 00:02:33,430 storm system is using the vantage point 55 00:02:37,800 --> 00:02:35,830 of space to better understand the many 56 00:02:40,680 --> 00:02:37,810 environmental systems in our world and 57 00:02:42,720 --> 00:02:40,690 how they interact is the goal of NASA's 58 00:02:45,809 --> 00:02:42,730 initiative for the 1990s known as 59 00:02:47,400 --> 00:02:45,819 mission to Planet Earth for now ongoing 60 00:02:49,290 --> 00:02:47,410 lightning studies 61 00:02:52,170 --> 00:02:49,300 provide researchers with an important 62 00:03:07,340 --> 00:02:52,180 head start in Huntsville this is Mike 63 00:03:19,340 --> 00:03:12,870 I guess I want to say it's really a 64 00:03:23,600 --> 00:03:21,800 farrell circular circulatory patterns 65 00:03:25,490 --> 00:03:23,610 that are not quite organized into one 66 00:03:30,890 --> 00:03:25,500 year failure decide to join up it i'll 67 00:03:33,200 --> 00:03:30,900 be a good doctor that support a 68 00:03:35,770 --> 00:03:33,210 panhandle and alabama some places are 69 00:03:38,210 --> 00:03:35,780 getting a little bit worried about it i