NOAA GOES Image Viewer website
30 Jan 2023 - 20:03 EST
31 Jan 2023 - 01:03 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 - 30 Jan 2023 - 2356 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 30 Jan 2023 - 2356 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0001 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0001 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0006 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0006 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0011 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0011 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0016 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0016 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0021 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0021 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0026 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0026 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0031 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0031 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0036 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0036 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0041 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0041 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0046 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0046 UTC Latitude / Longitude grid
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0051 UTC
Geostationary Lightning Mapper - Lightning flash extent density over GeoColor - 31 Jan 2023 - 0051 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)