Topic: GOES-18 ABI solar calibration scan

Date/Time Issued: December 29, 2025 1640Z

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

Date/Time of Initial Impact: January 05, 2026 1510Z  (DOY 005)

Date/Time of Expected End: January 05, 2026 1520Z  (DOY 005)

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

Details/Specifics:

On January 05, 2026, GOES-18 ABI 10-minute Flex Mode (mode 6) will be replaced with 10 minutes of Continuous Full Disk (mode 4) from 1510-1520 UTC. A GOES-18 ABI solar calibration scan will be performed between 1513-1515 UTC, resulting in an outage of all ABI products. ABI 10-minutes Flex Mode (mode 6) will resume at 1520 UTC. The next Full Disk scan will populate at 1520 UTC.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

Web Site(s) for applicable information:

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