Topic: GOES-16 (East) Geostationary Lightning Mapper Degradation

Date/Time Issued: November 29, 2022 1915 UTC

Product(s) or Data Impacted: GOES-16 GLM

Date/Time of Initial Impact: December 1, 2022 1800 UTC

Date/Time of Expected End: December 2, 2022 0900 UTC

Length of Outage: Approximately 15 hours

Details/Specifics of Change: Due to a ground system software update, there will be a period of 15 hours where GLM navigation errors of up to 25 km are present in the data.

Contact Information for Further Information: Stephen Superczynski at stephen.superczynski@noaa.gov; ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

Web Site(s) for applicable information: See https://www.ospo.noaa.gov/Operations/messages.html for this and other satellite-related messages.

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