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27 Nov 2021 - 12:33 EST
27 Nov 2021 - 17:33 UTC

PTC Sam - Geostationary Lightning Mapper at 51.0°N - 39.4°W

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Animation images have expired from the system. Images for this storm location are no longer being actively produced.

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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 - 05 Oct 2021 - 1501 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1501 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1506 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1506 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1511 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1511 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1516 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1516 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1521 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1521 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1526 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1526 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1531 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1531 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1536 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1536 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1541 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1541 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1546 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1546 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1551 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1551 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1556 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1556 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1601 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1601 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1606 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1606 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1611 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1611 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1616 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1616 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1621 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1621 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1626 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1626 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1631 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1631 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1636 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1636 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1641 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1641 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1646 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1646 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1651 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1651 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1656 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 05 Oct 2021 - 1656 UTC
legend for Global Lightning Mapper Flash Extent Density - flashes per five minutes
 

About Geostationary Lightning Mapper

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)

Wait for animated GIF to build; then download.