Topic: GOES-18 ABI solar calibration scan 

Date/Time Issued: July 14, 2026 1636Z 

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

Date/Time of Initial Impact:  July 20, 2026 (DOY 201) 1510 UTC

Date/Time of Expected End:  July 20, 2026 (DOY 201) 1520 UTC

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

Details/Specifics:

On July 20, 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 1514-1516 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.

Web Site(s) for applicable information:

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