Topic: GOES-16 and GOES-18  ABI Lunar Trending Calibration Scans scheduled for Oct 25 - Oct 27, 2023

Date/Time Issued:  Oct 19, 2023, 1553Z

Product(s) or Data Impacted: GOES-16 and GOES-18 ABI MESO-2 outages

Date/Time of Initial Impact: Oct 25, 2023, 1335Z

Date/Time of Expected End: Oct 27, 2023, 2030Z

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

Details/Specifics of Change:

Several, very short, GOES-16 and GOES-18 routine calibration scans for lunar trending will be performed on Oct 25 - Oct 27, 2023, 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-16:

• 10/25/2023 (DOY 298) 13:35:04 UTC & 14:37:07 UTC
• 10/27/2023 (DOY 300) 15:08:12 UTC & 16:19:09 UTC

GOES-18:

• 10/25/2023 (DOY 298) 17:46:15 UTC & 18:56:52 UTC
• 10/27/2023 (DOY 300) 19:28:17 UTC & 20:30:51 UTC