860
NOUS72 KNES 031134
ADMNES
*TOPIC:* SENTINEL-3A SERVICE



*DATE/TIME ISSUED:* MARCH 03, 2026 1129Z



PRODUCT(S) OR DATA IMPACTED: SENTINEL-3A SERVICE


*DATE/TIME OF INITIAL IMPACT:* MARCH 02, 2026 1948Z



*DATE/TIME OF EXPECTED END: *TBD



*LENGTH OF THE OUTAGE/EVENT:* TBD


MESSAGE NUMBER: 14193
MESSAGE CREATION: TUE MAR 03 10:41:38 UTC 2026


TYPE: SERVICE ALERT
ANN NR: 13170
REV: 1
START TIME: 2026-03-02 19:48:00.0
SATELLITES: SENTINEL-3A
SUBSYSTEM: SRAL
SUBJECT: INSTRUMENT ANOMALY
IMPACT: DATA-DEGRADED
DETAIL: DUE TO ISSUES WITH THE S3A GNSS, THE ORBIT QUALITY IS DEGRADED,
IMPACTING SEA LEVEL RETRIEVALS. WIND AND WAVE RETRIEVALS DO NOT APPEAR TO
BE IMPACTED.
REVISION HISTORY: [ORIGINAL] INVESTIGATION IS ONGOING.
STATUS: ONGOING
ISSUE TIME: 2026-03-03 10:41:31.0
SERVICES: SRAL LEVEL 1 PRODUCTS - S3A
SRAL LEVEL 2 MARINE PRODUCTS - S3A


NAME: EUMETSAT
ADDRESS: EUMETSAT-ALLEE 1
D-64295 DARMSTADT
GERMANY
TELEPHONE: +49 6151 807 3660/3770
FAX: +49 6151 807 3790
E-MAIL: OPS@EUMETSAT.INT
USER PORTAL: HTTPS://USER.EUMETSAT.INT

THIS INFORMATION HAS BEEN PROVIDED BY EUMETSAT, PLEASE VISIT THE FOLLOWING
LINK FOR THE LATEST INFORMATION:  HTTPS://USER.EUMETSAT.INT/UNS-SEARCH-VIEW OR
EMAIL OPS@EUMETSAT.INT (EUMETSAT HELPDESK) IF YOU HAVE QUESTIONS OR
CONCERNS.


THIS NOTIFICATION WAS SENT TO ESPC.NOTIFICATION@NOAA.GOV MAILING LIST. IF
YOU WISH TO UNSUBSCRIBE OR SUBSCRIBE TO THIS LIST, PLEASE CONTACT ESPC
HELP-DESK AT ESPCOPERATIONS@NOAA.GOV WITH YOUR REQUEST. PLEASE NOTE: IT MAY
TAKE UP TO TWO BUSINESS DAYS TO PROCESS YOUR REQUEST. FOR ANY ADDITIONAL
INFORMATION YOU CAN REACH ESPC AT 301-817-3880 (24X7).

=