Topic: GOES-18 EXIS Cruciform Scan

Date/Time Issued: April 28, 2026 1839Z

Product(s) or Data Impacted: GOES-18 EXIS and SUVI Product Outage

Date/Time of Initial Impact: May 4, 2026 2025Z J/Day 124

Date/Time of Expected End: May 4, 2026 2208Z J/Day 124

Length of Outage: 1 hour, 43 minutes

Details/Specifics: The GOES-18 EXIS instrument will execute a quarterly Cruciform Scan calibration.

Contact for Further Information: ESPC Operations: ESPCOperations@noaa.gov or 301-817-3880; GOES Payload Engineering: 301-817-4409

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