G18 and G19 Lunar Trending 08/27 - 08/30
Topic: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans scheduled from August 27th to 30th, 2026
Date/Time Issued: August 19, 2026 1817Z
Product(s) or Data Impacted: GOES-18 and GOES-19 ABI MESO-2 outages
Date/Time of Initial Impact: August 27, 2026 (DOY 239) 16:36:42 UTC
Date/Time of Expected End: August 30, 2026 (DOY 242) 23:36:13 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 August 27 and 30, 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:
- 08/28/2026 (DOY 240) 21:00:05 UTC & 22:17:18 UTC
- 08/30/2026 (DOY 242) 22:35:55 UTC & 23:36:13 UTC
GOES-19:
- 08/27/2026 (DOY 239) 16:36:42 UTC & 16:40:42 UTC
- 08/30/2026 (DOY 242) 18:16:03 UTC & 19:24:39 UTC