NOAA GOES Image Viewer website
27 Jan 2023 - 04:04 EST
27 Jan 2023 - 09:04 UTC

GOES-West - Sector view: Pacific Northwest - Geostationary Lightning Mapper

GOES-West - Pacific Northwest - EXTENT3 - We are working to restore image production as quickly as possible. Please refer to the other GOES imagery sites listed on our resources page. Thank you for your patience.

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Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0756 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0756 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0801 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0801 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0806 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0806 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0811 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0811 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0816 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0816 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0821 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0821 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0826 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0826 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0831 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0831 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0836 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0836 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0841 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0841 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0846 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0846 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0851 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 27 Jan 2023 - 0851 UTC Latitude / Longitude grid
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)