Topic: GOES-18 ABI Solar Calibration Scan

Date/Time Issued:  October 20, 2025 1943Z

Product(s) or Data Impacted:  GOES-18 ABI product outage

Date/Time of Initial Impact: October 27, 2025 (DOY 300) 1450 UTC

Date/Time of Expected End: October 27, 2025 (DOY 300) 1500 UTC

Length of Event:  Approximately 5 minutes at the end of a period of Continuous Full Disk operations

Details/Specifics: On October 27, 2025, GOES-18 ABI 10-minute Flex Mode (mode 6) will be replaced with 10 minutes of Continuous Full Disk (mode 4) from 1450-1500 UTC. A GOES-18 ABI solar calibration scan will be performed between 1451-1453 UTC, resulting in an outage of all ABI products. ABI 10-minutes Flex Mode (mode 6) will resume at 1500 UTC. The next Full Disk scan will populate at 1500 UTC.

Website: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

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