8 Dec 2024 - 15:51 EST
8 Dec 2024 - 20:51 UTC
8 Dec 2024 - 20:51 UTC
GOES-East Mesoscale view - Geostationary Lightning Mapper at 32°N - 99°W - Brown County, TX
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Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1230 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1231 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1232 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1233 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1234 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1235 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1236 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1237 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1238 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1239 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1240 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1241 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1242 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1243 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1244 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1245 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1246 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1247 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1248 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1249 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1250 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1251 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1252 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1253 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1254 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1255 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1256 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1257 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1258 UTC
Geostationary Lightning Mapper - Lightning flash extent density over IR Band 13 - 31 May 2024 - 1259 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)