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28 Mar 2024 - 08:51 EDT
28 Mar 2024 - 12:51 UTC

Tropical Storm Julia - Geostationary Lightning Mapper at 12.4°N - 86.2°W

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24 frame animation displayed.

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Apparent 'jumps' in the animation occur due to adjustments to reflect storm movement.

  

  

  
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1856 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1856 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1901 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1901 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1906 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1906 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1911 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1911 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1916 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1916 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1921 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1921 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1926 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1926 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1931 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1931 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1936 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1936 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1941 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1941 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1946 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1946 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1951 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1951 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1956 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 1956 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2001 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2001 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2006 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2006 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2011 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2011 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2016 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2016 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2021 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2021 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2026 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2026 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2031 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2031 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2036 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2036 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2041 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2041 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2046 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2046 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2056 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 09 Oct 2022 - 2056 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)