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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This page shows the 100 most recent messages. To view older messages, please choose the year and month from the menu above.


Last Update:   Dec 03, 2025 20:49 UTC

blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site (Day 2), beginning December 3rd, 1430Z - Issued December 3, 2025 2046Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems - Issued: December 3, 2025 2015Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-03 13:30:28 :: Sentinel-3B Service - Issued: December 3, 2025 1342Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site (Day 2), beginning December 3rd, 1430Z Issued December 3rd, 2025 1300Z
blue ball Administrative: Update#1:Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site, beginning December 2nd, 1430Z Issued December 2nd, 2025 2103Z
blue ball Product Outage/Anomaly: Update #1: NOAA-21 Data Delay - Issued: December 02, 2025 1908Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: December 02, 2025 1753Z
blue ball Administrative: Update #3 - JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx15 Transition to Operations rescheduled to December 11, 2025 - Issued December 2, 2025 1535 UTC
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site, beginning December 2nd, 1430Z Issued :December 2nd, 2025 1351Z
blue ball Administrative: Correction - GOES East MDS Meso-2 Scheduled for December 1, 2025 - Issued: December 1, 2025 2346Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for December 1, 2025 - Issued: December 1, 2025 2250Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan Scheduled for December 09, 2025 - Issued: December 01, 2025 1959Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan Scheduled for December 08, 2025-Issued: December 01, 2025 1945Z
blue ball Product Anomaly/Outage: GOES-19 ABI-L2 and derived products delivered to PDA - Issued: December 01, 2025 0218Z
blue ball Correction: Update#1: Administrative: GOES West MDS Meso-2 Scheduled for November 29, 2025 - Issued: November 30, 2025 2057Z
blue ball Update#1: Administrative: GOES West MDS Meso-2 Scheduled for November 29, 2025 - Issued: November 30, 2025 2053Z
blue ball Product Anomaly/Outage: Correction: GOES-19 - ABI L1b All Bands, Cloud and Moisture All Bands Products Delivered to PDA for November 30, 2025 - Issued: November 30, 2025 1259Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 29, 2025 - Issued: November 29, 2025 1920Z
blue ball Product Outage/Anomaly Update #1 - Final Update: GCOM-W1 Mission Data Delay Issued: November 29, 2025 1837Z
blue ball Product Outage/Anomaly: GCOM-W1 Mission Data Delay - Issued: November 29, 2025 1727Z
blue ball SARSAT Outage/Anomaly Update #1 - Final Update: Alaska 4 LEO Ground Station Offline, Issued: November 29, 2025 1424Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 28, 2025 - Issued: November 28, 2025 1712Z
blue ball SARSAT Outage/Anomaly: Alaska 4 LEO Ground Stations Offline - Issued: November 28, 2025 0742Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 27, 2025 - Issued: November 27, 2025 2054Z
blue ball Update #1: Product Outage/Anomaly:Alert Message 2025-11-27 14:19:44 :: Sentinel-3A Service - Issued: November 27, 2025 1816Z
blue ball Product Outage/Anomaly:Alert Message 2025-11-27 14:19:44 :: Sentinel-3A Service - Issued: November 27, 2025 1424Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-27 13:35:46 :: Sentinel-6A Service-Issued: November 27, 2025 1353Z
blue ball Product Outage/Anomaly: Metop-B Antarctic Data Acquisition - Issued: November 27, 2025 0422Z
blue ball Product Outage/Anomaly: Metop-B Antarctic Data Acquisition - Issued: November 27, 2025 0248Z
blue ball Product Outage/Anomaly: Update #1 Alert Message 2025-11-26 10:42:26 :: Sentinel-3A Service, Sentinel-3B Service - Issued November 26, 2025 1100Z
blue ball Product Anomaly/Outage Update #1: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products delivered to GRB, PDA. Issued November 26, 20265 0654Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 20:26:49 :Sentinel-3A Service-Issued: November 25, 2025 2047Z
blue ball Administrative: Jason-3 maneuver Scheduled November 27, 2025-Issued: November 25, 2025 1809Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 13:43:35 :: Sentinel-6A Service-Issued: November 25, 2025 1349Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS SAN Refresh updates at the NSOF OPS site, beginning November 25th, 1330Z -Issued: November 25th, 2025 1331Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for November 25, 2025 - Issued: November 25, 2025 1329Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 11:00:26 :: Sentinel-3B Service- Issued: November 25, 2025 1136Z
blue ball Product Outage/Anomaly: Correction Alert Message 2025-11-25 10:12:44 :: Sentinel-3A Service :: Sentinel-3A Service, Sentinel-3B Service - Issued November 25, 2025 1127Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 10:12:44 :: Sentinel-3A Service :: Sentinel-3A Service, Sentinel-3B Service - Issued November 25, 2025 1058Z
blue ball Product Anomaly/Outage Update #1: Correction: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products delivered to GRB, PDA. Issued November 26, 2025 0659Z
blue ball Product Anomaly/Outage: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products products delivered to GRB, PDA -Issued: Nov 25, 2025 0221Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 20:25:07 :: Sentinel-3B Service - Issued: November 25, 2025 2042Z
blue ball Administrative: Update #5: November 24, 2025: NCCF Product Upgrade 1.26-1.1 on October 22, 2025 - Issued: November 24, 2025 1940 UTC
blue ball Product Outage/Anomaly: Update #1 GCOM SMD Data Delay - Issued November 24, 2025 1628Z
blue ball Administrative: Update #1: GOES-19 Hydrazine Bipropellant Thruster (HBT) Flush Scheduled for November 24, 2025 2246 UTC - Issued: November 24, 2025 1541 UTC
blue ball Product Outage/Anomaly: GCOM SMD Data Delay - Issued November 24, 2025 1331Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for November 24, 2025 - Issued: November 24, 2025 1302Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-24 07:00:47 :: Jason-3 Service - Issued November 24, 2025 0718Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-23 23:09:33 :: Jason-3 Service - Issued November 23, 2025 2320Z
blue ball Product Outage/Anomaly: Update #1: Alert Message 2025-11-23 21:31:24 :: Jason-3 Service - Issued November 23, 2025 2145Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-23 21:31:24 :: Jason-3 Service - Issued November 23, 2025 2138Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for November 23, 2025 - Issued: November 23, 2025 1321Z
blue ball Product Anomaly/Outage: Correction: GOES-18 - ABI L1b Band 02 products delivered to AWIPS, GRB, PDA -Issued: Nov 23, 2025 0231Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b Band 02 products delivered to AWIPS, GRB, PDA -Issued: Nov 23, 2025 0212Z
blue ball Administrative: Update #1- Switch from Himawari-8 to Himawari-9 scheduled for November 26, 2025 0500 UTC - Issued November 21, 2025 2135 UTC
blue ball Product Anomaly/Outage: Correction: Update #7: GOES-18, 19 - Cloud Mask, Windbarbs All Bands Products Delivered to PDA -Issued: November 17, 2025 1650Z
blue ball Product Anomaly/Outage: Update #7: GOES-18, 19 - Cloud Mask, Windbarbs All Bands Products Delivered to PDA -Issued: November 21, 2025 1635Z
blue ball Administrative: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans Scheduled from November 30 to December 1, 2025 - Issued: November 21,2025 1615Z
blue ball Update #1: Product Anomaly/Outage: Missing data for NPP Rev 72896 FBK - Issued November 21, 2025 1347Z
blue ball Product Anomaly/Outage: Missing data for NPP Rev 72896 FBK - Issued November 21, 2025 1037Z
blue ball Product Outage/Anomaly (Update #1:) NOAA-21 SMD Data Delay - Issued November 21, 2025 0928Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: November 21, 2025 0848Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 20, 2025 - Issued: November 20, 2025 2212Z
blue ball Update #1 Product Anomaly/Outage: GOES-18 - Cloud Cover Layers - Issued: November 20, 2025 2114Z
blue ball Administrative: S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for December 01, 2025 - Issued: November 20, 2025 2034Z
blue ball Administrative: NOAA-21 VIIRS Lunar Calibration Roll Maneuver Scheduled for December 01, 2025 - Issued: November 20, 2025 2017Z
blue ball Administrative: NOAA-20 VIIRS Lunar Calibration Roll Maneuver Scheduled for December 01, 2025 - Issued: November 20, 2025 2014Z
blue ball Administrative: JPSS CGS external interfaces will be temporarily unavailable due to NSOF Exinda 4062 Decommissioning scheduled for November 21, 2025, Issued: November 20, 2025, 1907 UTC
blue ball Product Anomaly/Outage: GOES-18 - Cloud Cover Layers - Issued: November 20, 2025 1716Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for November 20, 2025 - Issued: November 20, 2025 0838Z
blue ball Administrative: Product Distribution and Access, PDA, Planned ESPC OPS SAN Refresh updates at the NSOF OPS site, beginning November 19th, 1500Z - Issued November 19th, 2025 1409Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for November 19, 2025 - Issued: November 19, 2025 0950Z
blue ball Product Outage/Anomaly Data Delay: Update #1: NOAA-21 SMD Data Delay - Issued November 19, 2025 0947Z
blue ball Product Outage/Anomaly Data Delay: NOAA-21 SMD Data Delay - Issued November 19, 2025 0859Z
blue ball Product Outage/Anomaly Data Delay: Update #1: NOAA-21 SMD Data Delay - Issued November 19, 2025 0807Z
blue ball Product Outage/Anomaly Data Delay: NOAA-21 SMD Data Delay - Issued November 19, 2025 0718Z
blue ball Administrative: Switch from Himawari-8 to Himawari-9 scheduled for November 26, 2025 0500 UTC - Issued November 18, 2025 1545 UTC
blue ball Administrative: GCOM-W1 DMU Maneuver on November 19th-Issued: November 18, 2025 1449Z
blue ball Product Outage/Anomaly: Update #1 Alert Message 2025-11-18 14:17:16 :: Sentinel-6A Service-Issued: November 18, 2025 1443Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-18 12:10:12 :: Sentinel-6A Service-Issued: November 18, 2025 1222Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-18 09:27:21 :: 0deg MSG Service -Issued November 18, 2025 0936Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for November 24, 2025, Issued: November 17, 2025 , 2047Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for November 24, 2025, Issued: November 17, 2025 2042Z
blue ball Administrative: S-NPP Drag Make-Up Maneuver (DMU) 045 Scheduled for November 19, 2025 - Issued: November 17, 2025 2041Z
blue ball Administrative: Update #4: November 17, 2025: NCCF Product Upgrade 1.26-1.1 on October 22, 2025 - Issued: November 17, 2025 2007 UTC
blue ball Product Anomaly/Outage: Update #6: GOES-18, 19 - Cloud Mask, Windbarbs All Bands Products Delivered to PDA -Issued: November 17, 2025 1739Z
blue ball Product Anomaly/Outage: GOES-18 - Cloud Optical Depth products delivered to PDA - Issued: November 17, 2025 0202Z
blue ball Product Anomaly/Outage: GOES-19 - Cloud Optical Depth, Cloud Particle Size products delivered to PDA - Issued: November 17, 2025 0119Z
blue ball Product Outage/Anomaly: MET-10 Service Alert 2025-11-16 09:15:06 :: 0deg MSG - Issued November 16, 2025 0935Z
blue ball Product Outage/Anomaly: MET-10 Service Alert 2025-11-16 09:07:04 :: 0deg MSG - Issued November 16, 2025 0927Z
blue ball Update#1: Product Outage/Anomaly Data Delay: NOAA-21 SMD Data Delay - Issued November 16, 2025 0412Z
blue ball Product Outage/Anomaly Data Delay: NOAA-21 SMD Data Delay - Issued November 16, 2025 0322Z
blue ball Administrative: Update #1: Enhanced Caution Has Ended - Issued: November 16, 2025 1252Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for November 14, 2025 - Issued: November 14, 2025 1502Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for November 14, 2025 - Issued: November 13, 2025 2337Z
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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.