Topic: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans scheduled from  March 29 through April 2, 2026

Date/Time Issued:  March 25, 2026 1810Z

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

Date/Time of Initial Impact: March 29, 2026 18:43:56 UTC (DOY 088) 

Date/Time of Expected End: April 2, 2026 17:25:48 UTC (DOY 092) 

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 29 through April 2, 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:

·         03/29/2026 (DOY 088) 18:43:56 UTC & 18:47:56 UTC

·         04/02/2026 (DOY 092) 21:38:19 UTC & 21:41:19 UTC

GOES-19:

·         03/30/2026 (DOY 089) 14:43:57 UTC & 15:48:21 UTC

·         04/01/2026 (DOY 091) 16:03:21 UTC

·         04/02/2026 (DOY 092) 17:25:48 UTC

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