Satellite Alert Messages

The following messages give you information about NOAA's satellite operations, including various product changes, upgrades and outages.
Visit often for the latest information affecting data delivery.

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Last Update: Sep 02, 2026 16:04 UTC
blue ball Product Outage/Anomaly: SOLAR-1 Planned Outage/STIS In-Flight Calibration - Issued: September 2, 2026 1550Z
blue ball Product Outage/Anomaly: Correction: Update #2: Jason 3 Data Delay/Loss - Issued: September 02, 2026 1528Z
blue ball Product Outage/Anomaly: Update #2: Jason 3 Data Delay/Loss - Issued: September 02, 2026 1457Z
blue ball Administrative: Critical Weather Day Declared for September 02, 2026 - Issued: September 02, 2026 1342z
blue ball Administrative: Update #2: Enhanced Caution Declared for September 02, 2026 - Issued: September 02 1129Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 02, 2026 - Issued: September 02, 2026 1118Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 02, 2026 - Issued: September 02, 2026 1114Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 02, 2026 - Issued: September 02, 2026 0645Z
blue ball Administrative: Update #2 Critical Weather Day Declared for September 01, 2026 - Issued: September 02, 2026 0015Z
blue ball Administrative: - Metop-C Out-Of-Plane maneuver scheduled for Wednesday September 01, 2026 . Issued September 01, 2026 2149Z
blue ball Administrative: F-16 / F-17 / F-18 SSMI/S Data Record Filename Change and Product Discontinuation scheduled for October 1, 2026 - Issued: September 1, 2026 1930Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 01, 2026 - September 01, 2026 -1654Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 01, 2026 - September 01, 2026 -1603Z
blue ball Administrative: Update #5 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: September 1, 2026 1510 UTC
blue ball Administrative: Retirement of GOES R Rainfall Rate/Quantitative Precipitation Estimation on November 2, 2026 - Issued September 1, 2026 1400 UTC
blue ball Administrative: Correction: GOES West MDS Meso-2 Scheduled for September 01, 2026 - September 01, 2026 -1308Z
blue ball Administrative: Correction: GOES West MDS Meso-2 Scheduled for September 01, 2026 - September 01, 2026 -1249Z
blue ball Administrative: Update #1 Critical Weather Day Declared for September 01, 2026 - Issued: September 01, 2026 1225Z
blue ball Update #3: Product Outage/Anomaly: GCOM-W1 Data Delay - Issued: September 1, 2026 1042Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 01, 2026 - Issued: September 01, 2026 0947Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for September 01, 2026 - Issued: September 01, 2026, 0941Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 01, 2026 - Issued: September 01, 2026 0935Z
blue ball Update #2: Product Outage/Anomaly: GCOM-W1 Data Delay - Issued: September 1, 2026 0506Z
blue ball Update #1: Product Outage/Anomaly: GCOM-W1 Data Delay - Issued: September 1, 2026 0330Z
blue ball Administrative: Critical Weather Day Declared for September 01, 2026 - Issued: September 01, 2026 0328Z
blue ball Product Outage/Anomaly: GCOM-W1 Data Delay - Issued: September 1, 2026 0209Z
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The latest message is at the top. To decode the filenames for the messages listed above, MSGXXXHHMM.html, MSG means "Message", XXX is the Julian Date, HHMM is the time of the message in UTC. Files are now saved as html format.