Topic: GOES-18 ABI solar calibration scan

Date/Time Issued: November 17, 2025 2047Z

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

Date/Time of Initial Impact: November 24, 2025 1450Z (JDAY 328)

Date/Time of Expected End: November 24, 2025 1500Z (JDAY328)

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

Details/Specifics: On November 24, 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 1454-1456 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.

Contact for further information: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880 24x7 or goes-r.product.engineering.group@noaa.gov during normal business hours.

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