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:   Mar 07, 2026 10:34 UTC

blue ball Administrative:Correction: GOES-West MDS Meso-1 Scheduled for March 07, 2026 - Issued: March 07, 2026 1021Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for March 07, 2026 - Issued: March 07, 2026 1011Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 07, 2026 - Issued: March 07, 2026 1007Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 07, 2026 - Issued: March 07, 2026 1008Z
blue ball Product Outage/Anomaly: Update #1: Jason 3 Data Delay- Issued: March 7, 2026 0335Z
blue ball Product Anomaly/Outage: Corrections: NPP SMD Data Delay - Issued March 6, 2026 2023Z
blue ball Product Anomaly/Outage: Missing data for NPP - Issued March 6, 2026 2006Z
blue ball Product Outage/Anomaly: Jason 3 Data Delay- Issued: March 6, 2026 1949Z
blue ball Himawari-9 Weekly Special Satellite Operations Schedule, Issued: March 6, 2026 1757 UTC
blue ball Administrative: Enhanced Caution Declared for March 06, 2026 - Issued: March 06, 2026 0926Z
blue ball Product Outage/Anomaly: Alert Message 2026-03-06 08:22:19 :: Sentinel-3A Service Issued March 06, 2026 0843Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 06, 2026 - Issued: March 06, 2026 0759Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 06, 2026 - Issued: March 06, 2026 0754Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for March 06, 2026 - Issued: March 06, 2026 0748Z
blue ball Administrative: Correction: GOES-East MDS Meso-1 Scheduled for March 05, 2026 - Issued: March 05, 2026 0925Z
blue ball Product Outage/Anomaly: Alert Message 2026-03-05 04:56:58 :: Sentinel-3B Service Issued March 05, 2026 0912Z
blue ball Alert Message 2026-03-05 05:02:20 :: Sentinel-3A Service- Issued: March 05, 2026 0903Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for March 05, 2026 - Issued: March 05, 2026 0856Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 04, 2026 - Issued: March 05, 2026 0848Z
blue ball Product Outage/Anomaly: Update #1: Metop-B Antarctic Data Acquisition - Issued March 04, 2026 2215Z
blue ball Administrative Updated #2 to Suomi National Polar-orbiting Partnership (S-NPP) Testing started February 25, 2026 - Issued March 04, 2026 2144Z
blue ball Product Outage/Anomaly: Metop-B Antarctic Data Acquisition - Issued March 04, 2026 2140Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems on March 05, 2026 - Issued: March 04, 2026 2015Z
blue ball Product Outage/Anomaly: Alert Message 2026-03-04 10:25:54 :: Sentinel-3A Service - Issued: March 04, 2026 1049Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 04, 2026 - Issued: March 04, 2026 0930Z
blue ball Administrative: GOES-18 SEISS MPS-LO Electron and Ion Microchannel Plate (MCP) HV Bias Calibration (impacts SEISS) Scheduled for March 10, 2026 - Issued: March 03, 2026 2030Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 03, 2026 - Issued: March 03, 2026 1943Z
blue ball Product Outage/Anomaly: Sentinel 3A Service Issued March 03, 2026 1129Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: March 3, 2026 0407Z
blue ball Administrative: ESPC Network Maintenance Scheduled for March 04, 2026 - Issued: March 02, 2026 1550Z
blue ball Administrative: Jason-3 maneuver scheduled for March 5, 2026 - Issued: March 02, 1510Z
blue ball Product Outage/Anomaly: NPP SMD Data Delay - Issued: March 1, 2026 1805Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 01, 2026- Issued: March 01, 2026 1756Z
blue ball Product Outage/Anomaly: Alert Message 2026-02-28 21:02:26 :: GDS-Metop-B - Issued: March 01, 2026 0232Z
blue ball Product Outage/Anomaly: JPSS NOAA-20 SMD Data Delay - February 28, 2026 2238Z
blue ball Product Outage/Anomaly: JPSS NOAA-21 SMD Data Delay Revised Times - February 28, 2026 2204Z
blue ball Correction: Product Outage/Anomaly: JPSS NOAA-20 SMD Data Delay - February 28, 2026 2155Z
blue ball Product Outage/Anomaly: Alert Message 2026-02-28 21:02:26 :: GDS-Metop-B Issued February 28, 2026 2145Z
blue ball Product Outage/Anomaly: JPSS J01 SMD Data Delay - February 28, 2026 2143Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for February 28, 2026 - Issued: February 28, 2026 1656Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for February 28, 2026 - Issued: February 28, 2026 1650Z
blue ball Product Outage/Anomaly: Update #2 NOAA 20 SMD Data Delay - Issued: February 28, 2026 0713Z
blue ball Product Outage/Anomaly: Update #1 NOAA 20 SMD Data Delay - Issued: February 28, 2026 0321Z
blue ball Correction: Product Outage/Anomaly: NOAA 20 SMD Data Delay - Issued: February 28, 2026 0137Z
blue ball Product Outage/Anomaly: JPSS J01 SMD Data Delay - Issued: February 28, 2026 0130Z
blue ball Administrative: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans Scheduled from March 2 through March 5, 2026 - Issued: February 27, 2026 1813Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for February 27, 2026 - Issued: February 27, 2026 1542Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for February 27, 2026 - Issued: February 27, 2026 1526Z
blue ball SARSAT Outage/Anomaly Update #1 - Final Update: SARSAT LME Low Earth Orbit (LEO) Outage Issued: FEBRUARY 27, 2026 0428Z
blue ball SARSAT Outage/Anomaly: Update #1 USMCC System Outage Issued: February 26, 2026 1909Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for February 26, 2026 - Issued: February 26, 2026 1852Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for February 26, 2026 - Issued: February 26, 2026 1828Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for February 26, 2026 - Issued: February 26, 2026 1728Z
blue ball SARSAT Outage/Anomaly: LME Low Earth Orbit (LEO) Ground Station Offline - Issued: February 26, 2026 1546Z
blue ball Product Anomaly/Outage: (Correction) GOES-18 - ABI L1b Bands 04, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16 products delivered to PDA -Issued: Feb 26, 2026 1225Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b Bands 04, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16 products delivered to PDA -Issued: Feb 26, 2026 1210Z
blue ball Administrative: Update #1: Product Distribution and Access (PDA) Planned ESPC OPS RHEL 8 Server and Cisco Network Patching activities at the NSOF OPS site, beginning February 25th, 1200Z - Issued: February 25th, 2026 2002Z
blue ball Administrative: GOES-R Spring 2026 Eclipse Season - Issued: February 25, 2026 1805 UTC
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS RHEL 8 Server and Cisco Network Patching activities at the NSOF OPS site, beginning February 25th, 1200Z Issued February 25th, 2026 1344Z
blue ball Product Anomaly/Outage: Degradation of GOES-19 - Downward Shortwave Insolation, Photosynthetically Active, Reflected Shortwave Radiation products delivered to PDA -Issued: Feb 24, 2026 1825Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for February 24, 2026 - Issued: February 24, 2026 1440Z
blue ball Administrative: Update#1: Enhanced Caution has Ended for February 24, 2026 - Issued: February 25, 2026 0615Z
blue ball Administrative: Update #1 Critical Weather Day Declared for February 22, 2026 - Issued: February 24, 2026 0902Z
blue ball Product Outage/Anomaly: Update # 0deg MSG Service,45.5deg E IODC MSG, Data Store and Data Tailor Web Service Inbox: Issued - February 24, 2026 0756Z
blue ball Product Outage/Anomaly: 0deg MSG Service,45.5deg E IOD C MSG, Data Store and Data Tailor Web Service Inbox: Issued - February 24, 2026 0438Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for February 23, 2026 - Issued: February 23, 2026 2338Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for February 25, 2026 - Issued: February 23, 2026 2254Z
blue ball Administrative: Critical Weather Day Declared for February 22, 2026 - Issued: February 23, 2026 2228Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for March 02, 2026, Issued: February 23, 2026 1827Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for March 02, 2026, Issued: February 23, 2026 1825Z
blue ball Product Anomaly/Outage: Update #1: GOES-19 All Products and derived products delivered to AWIPS, GRB, PDA - Issued: February 23, 2026 1748Z
blue ball Product Anomaly/Outage: GOES-19 All Products and derived products delivered to AWIPS, GRB, PDA - Issued: February 23, 2026 1557Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for February 23, 2026 - Issued: February 23, 2026 1505Z
blue ball Product Outage/Anomaly: EUMETSAT 0deg MSG Service,0deg MTG Service,45.5deg E IODC MSG,Data Store and Data Tailor Web Service Inbox Issued - February 23, 2026 0850Z
blue ball Product Outage/Anomaly: Update #1: Alert Message 2026-02-22 19:24:23 :: GDS-Metop-B - Issued: February 22, 2026 2044Z
blue ball Product Outage/Anomaly: Alert Message 2026-02-22 19:24:23 :: GDS-Metop-B - Issued: February 22, 2026 1932Z
blue ball Administrative: Critical Weather Day Declared for February 22, 2026 - Issued: February 22, 2026 0922Z
blue ball Product Outage/Anomaly: Alert Message 2026-02-20 20:27:15 :: GDS-Metop-B - Issued: February 20, 2026 2035Z
blue ball Product Outage/Anomaly: Alert Message 2026-02-20 20:03:47 :: 0deg MSG Service,0deg MTG Service,45.5deg E IODC MSG,Data Store and Data Tailor Web Service - Issued: February 20, 2026 2020Z
blue ball Administrative: NASA GPM DPR and GMI Products Update to V08, Issued: February , 2026 2002 UTC
blue ball Administrative: GOES East MDS Meso-2 Scheduled for February 20, 2026 - Issued: February 20, 2026 1549Z
blue ball Administrative: (Correction Topic/ Subject Line) GOES East MDS Meso-1 Scheduled for February 20, 2026 - Issued: February 20, 2026 1548Z
blue ball Administrative: (Correction Topic/ Subject Line) GOES East MDS Meso-1 Scheduled for February 20, 2026 - Issued: February 20, 2026 1325Z
blue ball Administrative: (Update#2) Enhanced Caution Declared for February 18, 2026 - Issued: February 20, 2026 1214Z
blue ball Product Anomaly/Outage: GOES-18 - Sectorized Cloud and Moisture Bands 13-16 products delivered to AWIPS -Issued: Feb 20, 2026 0810Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for February 20, 2026 - Issued: February 20, 2026 0013Z
blue ball Administrative: Update#1 Product Distribution and Access (PDA) Planned Network Firewall Maintenance at the NSOF OPS site, beginning February 19th, 2026 at 1500Z- Issued: February 19th, 2026 at 2108Z Inbox
blue ball Administrative: Update #1: Suomi National Polar-orbiting Partnership (S-NPP) Testing starting February 25, 2026 - Issued February 23, 2026 1646Z
blue ball Administrative Product Distribution and Access (PDA) Planned Network Firewall Maintenance at the NSOF OPS site, beginning February 19th, 2026 at 1500Z- Issued: February 19th, 2026 at 1422Z
blue ball Administrative: Update#1 GOES-East MDS Meso-2 Scheduled for February 18, 2026 - Issued: February 19, 2026 1418Z
blue ball Administrative:Update#1 GOES-East MDS Meso-1 Scheduled for February 19, 2026 - Issued: February 19, 2026 1411Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for February 19, 2026 - Issued: February 19, 2026 1255Z
blue ball Administrative: Update #1 GOES-19 SUVI Flat Field Calibrations (impacts SUVI, EXIS, & CCOR data) Scheduled for February 23 - March 02, 2026, Issued:February 18, 2026 2042Z
blue ball Administrative: Update #5 - NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193 postponed to April 9, 2026 - Issued February 18, 2026 1800 UTC
blue ball Product Anomaly/Outage: (UPDATE #1) GCOM-W1 SMD Data Delay - Issued: February 18, 2026 1745z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: February 18, 2026 1615z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for February 18, 2026 - Issued: February 18, 2026 1610Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for February 18, 2026 - Issued: February 18, 2026 1540Z
blue ball Administrative: Cancellation GOES-West MDS Meso-2 Scheduled for February 18, 2026 - Issued: February 18, 2026 1529Z
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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.