1 00:00:06,230 --> 00:00:03,139 the geostationary lightning map or GLM 2 00:00:08,120 --> 00:00:06,240 is an instrument on board goes 16 the 3 00:00:08,839 --> 00:00:08,130 newest of NOAA's Earth observing 4 00:00:11,540 --> 00:00:08,849 satellites 5 00:00:13,430 --> 00:00:11,550 GLM detects the pulses of light produced 6 00:00:15,740 --> 00:00:13,440 by lightning and thunderstorms and 7 00:00:17,900 --> 00:00:15,750 reports the brightness and geolocation 8 00:00:19,580 --> 00:00:17,910 of the lightning to earth where it is 9 00:00:22,189 --> 00:00:19,590 used to aid in severe weather 10 00:00:24,590 --> 00:00:22,199 forecasting NASA has designed an 11 00:00:29,320 --> 00:00:24,600 airborne instrument to validate the GLM 12 00:00:32,720 --> 00:00:29,330 observations the fly's eye GLM simulates 13 00:00:35,150 --> 00:00:32,730 fly's eye or vegs is an array of 14 00:00:37,430 --> 00:00:35,160 radiometers optimized to measure the 15 00:00:40,310 --> 00:00:37,440 obstacle emissions from lightning it 16 00:00:42,860 --> 00:00:40,320 consists of 25 individual radiometers 17 00:00:45,080 --> 00:00:42,870 each tilted at a different viewing angle 18 00:00:48,080 --> 00:00:45,090 so that they combine to create an image 19 00:00:49,299 --> 00:00:48,090 of the style tops at a rate of 100,000 20 00:00:52,040 --> 00:00:49,309 times per second 21 00:00:53,630 --> 00:00:52,050 these radiometers are sensitive to a 22 00:00:56,450 --> 00:00:53,640 narrow spectral emission feature 23 00:00:59,689 --> 00:00:56,460 produced by atomic oxygen in the hot 24 00:01:01,549 --> 00:00:59,699 lightning channel slides I also observes 25 00:01:04,070 --> 00:01:01,559 five additional spectral features 26 00:01:06,260 --> 00:01:04,080 allowing scientists who investigate the 27 00:01:09,170 --> 00:01:06,270 physical properties of the lightning and 28 00:01:12,289 --> 00:01:09,180 HD cameras to reveal details like the 29 00:01:14,840 --> 00:01:12,299 cloud tops to view the thunderstorms 30 00:01:17,840 --> 00:01:14,850 from the top down face is carried on the 31 00:01:20,030 --> 00:01:17,850 NASA er to high altitude laboratories 32 00:01:22,249 --> 00:01:20,040 flies I will help determine the 33 00:01:24,980 --> 00:01:22,259 detection efficiency and sensitivity of