25 Jan 2025 - 04:45 EST
25 Jan 2025 - 09:45 UTC
25 Jan 2025 - 09:45 UTC
GOES-East Mesoscale view - Geostationary Lightning Mapper at 15°N - 57°W - meso LOOKUP NEEDED for 15N-57W
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Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0200 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0200 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0200 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020028_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0201 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0201 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0201 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020125_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0202 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0202 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0202 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020225_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0203 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0203 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0203 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020325_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0204 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0204 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0204 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020425_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0205 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0205 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0205 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020525_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0206 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0206 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0206 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020625_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0207 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0207 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0207 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020725_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0208 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0208 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0208 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020825_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0209 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0209 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0209 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365020925_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0210 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0210 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0210 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021028_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0211 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0211 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0211 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021125_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0212 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0212 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0212 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021225_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0213 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0213 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0213 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021325_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0214 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0214 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0214 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021425_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0215 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0215 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0215 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021525_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0216 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0216 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0216 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021625_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0217 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0217 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0217 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021725_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0218 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0218 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0218 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021825_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0219 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0219 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0219 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365021925_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0220 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0220 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0220 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022028_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0221 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0221 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0221 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022125_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0222 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0222 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0222 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022225_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0223 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0223 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0223 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022325_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0224 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0224 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0224 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022425_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0225 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0225 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0225 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022525_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0226 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0226 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0226 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022625_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0227 UTC
![Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0227 UTC Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 30 Dec 2024 - 0227 UTC](https://cdn.star.nesdis.noaa.gov/GOES16/GLM/MESO/15N-57W/FED13/2024365022725_GOES16-GLM-MESO-FED13-15N-57W-1000x1000.jpg)
![legend for Global Lightning Mapper Flash Extent Density - flashes per five minutes legend for Global Lightning Mapper Flash Extent Density - flashes per five minutes](images/colorbars/ColorBar450GLMFED3_horz.png)
GLM Flash Extent Density over Band 13 is the number of lightning flashes that occur within a grid cell over a given period of time. FED was the first GLM product routinely available to weather service forecasters. The FED product is the best single metric to convey both the quantity and extent of lightning activity. It is useful for both storm trending applications and to depict geographic coverage.
In the FED13 visualization, GLM is superimposed on infrared Band 13 rendered in gray scale.
GLM data is produced between 54°N and 54°S.
• For more details, see the Geostationary Lightning Mapper Quick Guide, (PDF, 1.98 MB)