Topic: GOES-16 and GOES-18 emergency patch (PR.13.01.03) install to remove GLM false detections

Date/Time Issued: December 28, 2023 1800 UTC

Product(s) or Data Impacted: GOES-16 & GOES-18 GLM L2+ products

Date/Time of Initial Impact: December 28, 2023 1830 UTC

Date/Time of Expected End: December 28, 2023 2030 UTC

Length of Outage: approximately 20 minutes per satellite during the installation window

Details/Specifics of Change: This afternoon an emergency GOES-R software update will take place between 1830 - 2030 UTC. This update aims to resolve the excessive number of false flashes being seen, particularly for GOES-18 GLM but also to a lesser extent in GOES-16 GLM products, since November 28, 2023. During this timeframe, there will be an outage of approximately 20 minutes for each satellite while the update is taking place. Following the installation of this software, there will be a reduction in the amount of transient GLM detections seen in both the LCFA and FED products.

Contact Information for Further Information: Please email Steve Superczynski at stephen.superczynski@noaa.gov; for 24x7 support, contact ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880 

Web Site(s) for applicable information: N/A

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