Topic: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scan scheduled from June 4th  to June 6th

Date/Time Issued:  May 29, 2025, 1804Z

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

Date/Time of Initial Impact: June 4, 2025 (DOY 155), 15:33:14 UTC

Date/Time of Expected End: June 6, 2025 (DOY 156),13:23:25 UTC

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

Details/Specifics of Change:

Several, very short, GOES-18 and GOES-19 routine calibration scans for lunar trending will be performed between June 4 - June 6, 2025, resulting 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:

·       06/04/2025 (DOY 155) 15:33:14 UTC & 17:00:33 UTC

·       06/05/2025 (DOY 156) 16:23:18 UTC & 17:29:11 UTC

GOES-19:

·       06/05/2025 (DOY 156) 12:05:09 UTC & 13:18:02 UTC

·       06/06/2025 (DOY 157) 13:20:25 UTC & 13:23:25 UTC