134 NOUS72 KNES 291734 ADMNES TOPIC: GOES-18 ABI SOLAR CALIBRATION SCAN DATE/TIME ISSUED: JUNE 29, 2026 1733Z PRODUCT(S) OR DATA IMPACTED: GOES-18 ABI PRODUCT OUTAGE DATE/TIME OF INITIAL IMPACT: JULY 06, 2026 (DOY 187) 1510Z DATE/TIME OF EXPECTED END: JULY 06, 2026 (DOY 187) 1520Z LENGTH OF OUTAGE: APPROXIMATELY 5 MINUTES AT THE END OF A PERIOD OF CONTINUOUS FULL DISK OPERATIONS DETAILS/SPECIFICS OF CHANGE: ON JULY 06, 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 1512-1514 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: SEE HTTPS://WWW.OSPO.NOAA.GOV/OPERATIONS/MESSAGES.HTML FOR THIS AND OTHER SATELLITE RELATED MESSAGES. THIS NOTIFICATION WAS SENT TO ESPC.NOTIFICATION@NOAA.GOV MAILING LIST. IF YOU WISH TO UNSUBSCRIBE OR SUBSCRIBE TO THIS LIST, PLEASE CONTACT ESPC HELP-DESK AT ESPCOPERATIONS@NOAA.GOV WITH YOUR REQUEST. PLEASE NOTE: IT MAY TAKE UP TO TWO BUSINESS DAYS TO PROCESS YOUR REQUEST. FOR ANY ADDITIONAL INFORMATION YOU CAN REACH ESPC AT 301-817-3880 (24X7) =