Topic: Metop-C Out of Plane Maneuver

Date/Time Issued: April 23, 2025 0010Z

Product(s) or Data Impacted: All products from AMSU-A, ASCAT, ATOVS, GOME-2, GRAS, IASI, MHS, SEM, in the Metop Global Data Service and Regional Data Service, will not be available. The AVHRR GDS Level 1 products and AVHRR regional data from Metop-C will be temporarily degraded.

Date/Time of Initial Impact: April 23, 2025 0833Z

Date/Time of Expected End: April 23, 2025 1508Z

Length of Outage: 6 Hours 30 Mins

Details/Specifics: A Metop-C Out of Plane Maneuver will be performed April 23, 2025 (JDAY 113) with preparations starting at 08:33 UTC. For this maneuver some instruments will not be producing data. The data outage times are listed below. Data from the outage period will not be recovered nor distributed. The manual selection of optimal TED and MEPED calibrations for the SEM instrument will be performed at 16:40:43 and 16:42:03 UTC respectively.
Instrument Deactivation

Instrument Deactivation Time Normal Operation

AMSU-A1 08:33:04 14:22:40
AMSU-A2 08:33:51 14:24:10
HIRS N/A N/A
IASI 08:33:06 14:26:40
MHS 08:35:01 14:16:40
SEM 08:34:31 14:21:40
GOME 11:45:14 15:08:58

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