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12 Dec 2024 - 14:27 EST
12 Dec 2024 - 19:27 UTC

Post-tropical Cyclone Sean - Geostationary Lightning Mapper at 18.2°N - 49.3°W

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24 frame animation displayed.

To enlarge, pause animation & click the image. Hover over popups to zoom. Use slider to navigate.
Apparent 'jumps' in the animation occur due to adjustments to reflect storm movement.

  

  

  
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0856 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0856 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0901 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0901 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0906 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0906 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0911 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0911 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0916 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0916 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0921 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0921 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0926 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0926 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0931 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0931 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0936 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0936 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0941 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0941 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0946 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0946 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0951 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0951 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0956 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 0956 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1001 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1001 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1006 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1006 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1011 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1011 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1016 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1016 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1021 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1021 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1026 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1026 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1031 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1031 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1036 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1036 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1041 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1041 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1046 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1046 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1051 UTC
Geostationary Lightning Mapper - Lightning flash extent over GeoColor - 16 Oct 2023 - 1051 UTC
legend for Global Lightning Mapper Flash Extent Density - flashes per five minutes

GLM Extent Density of Lightning 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 this visualization, GLM is superimposed on a GeoColor background image.

GLM data is produced between 54°N and 54°S.

• For more details, see the Geostationary Lightning Mapper Quick Guide, (PDF, 1.98 MB)