4 Oct 2023 - 08:16 EDT
4 Oct 2023 - 12:16 UTC
4 Oct 2023 - 12:16 UTC
GOES-West Mesoscale view - Geostationary Lightning Mapper at 33°N - 105°W - Chaves County, NM
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Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1320 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1321 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1322 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1323 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1324 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1325 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1326 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1327 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1328 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1329 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1330 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1331 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1332 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1333 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1334 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1335 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1336 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1337 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1338 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1339 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1340 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1341 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1342 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1343 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1344 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1345 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1346 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1347 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1348 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 02 Jun 2023 - 1349 UTC
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)