Update #3: As of SVL rev. 76011 at 0747z, followed by SVL rev. 76012 at 0924z, GCOM-W1 Stored Mission Data (SMD) is now being received. The root cause of the outage remains unknown at this time.

Update #2: GCOM-W1 Stored Mission Data (SMD) is not being received at this time. Engineering is continuing to investigate the issue.

Update #1: GCOM-W1 Stored Mission Data (SMD) for rev. 76008 was not received. Engineering is continuing to investigate the issue.

Topic: GCOM-W1 Data Delay

Date/Time Issued: September 1, 2026 1038Z

Product(s) or Data Impacted: GCOM-W1 Data Products for rev. 76007

Date/Time of Initial Impact: September 1, 2026 0116Z

Date/Time of Expected End: September 01, 2026 1042Z

Length of Outage: 3 Hours 14 Minutes

Details/Specifics: As of SVL rev. 76011 at 0747z, followed by SVL rev. 76012 at 0924z, GCOM-W1 Stored Mission Data (SMD) is now being received. Data has returned to nominal state. The root cause of the outage remains unknown at this time.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880

Web Site(s) for Applicable Information: N/A

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)