Topic: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans Scheduled from March 2 through March 5, 2026

Date/Time Issued: February 27, 2026 1813Z

Product(s) or Data Impacted: GOES-18 and GOES-19 ABI MESO-2 outages

Date/Time Initial Impact: March 2, 2026 (DOY 061) 20:38:28 UTC

Date/Time of Expected End: March 5, 2026 (DOY 064) 19:16:05 UTC

Length of Outage: Approximately 2 minutes for each event. See the schedule below.

Details/Specifics: Several, very short, GOES-18 and GOES-19 routine calibration scans for lunar trending will be performed between March 2 through March 5, 2026. This will result in an outage of ABI MESO-2 products for about 2 minutes for each event. ABI MESO-1 will still be available during this time. The schedules are below:

Impacts:

GOES-18:

· 03/02/2026 (DOY 061) 20:38:28 UTC

· 03/03/2026 (DOY 062) 22:18:03 UTC

· 03/05/2026 (DOY 064) 22:37:29 UTC & 23:26:11 UTC

GOES-19:

· 03/02/2026 (DOY 061) 16:33:10 UTC & 16:36:10 UTC

· 03/05/2026 (DOY 064) 18:16:31 UTC & 19:16:05 UTC

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