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.

      2019         1   2   3   4   5   6   7   8   9   10   11   12         2020         1   2   3   4   5   6   7   8   9   10   11   12  
      2021         1   2   3   4   5   6   7   8   9   10   11   12         2022         1   2   3   4   5   6   7   8   9   10   11   12  
      2023         1   2   3   4   5   6   7   8   9   10   11   12         2024         1   2   3   4   5   6   7   8   9   10   11   12  
      2025         1   2   3   4   5   6   7   8   9   10   11   12         2026         1   2   3   4   5   6   7   8   9   10  


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


Last Update:   Oct 20, 2026 09:04 UTC

blue ball Product Outage/Anomaly: Metop-B M1 FRAC Data Loss - Issued: October 20, 2026 0849Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 20, 2026 - Issued: October 20, 2026 0829Z
blue ball Product Outage/Anomaly: SNPP SMD Data Delay - Issued: October 20, 2026 0334Z
blue ball Administrative: Correction; GOES-WEST MDS Meso-2 Scheduled for October 19, 2026 - Issued: October 20, 2026 0024Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 19, 2026 - Issued: October 20, 2026 0013Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 19, 2026 - Issued: October 19, 2026 2331Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 19, 2026 - Issued: October 19, 2026 2223Z
blue ball Administrative: NCCF Product Release 1.27-1.2 on November 17, 2026 - Issued: October 19, 2026 2200 UTC
blue ball Product Outage/Anomaly: SOLAR-1 Planned Outage /SWiPS Quarterly In-Flight Calibration Issued October 19, 2026 1507Z
blue ball Administrative: Update #2 - Cessation of Suomi National Polar-orbiting Partnership (S-NPP) data to users on November 02, 2026 1300 UTC and Decommissioning - Issued October 19, 2026 1400 UTC
blue ball Administrative: Update #3 - Retirement of GOES R Rainfall Rate/Quantitative Precipitation Estimation on November 2, 2026 - Issued October 19, 2026 1400 UTC
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 19, 2026 - Issued: October 19, 2026 0803Z
blue ball SARSAT Outage/Anomaly: LUT Down Guam 3 and 4 LEO Ground Stations Offline, Issued: October 19, 2026 0210Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 18, 2026 - Issued: October 18, 2026 1852Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 18, 2026 - Issued: October 18, 2026 1447Z
blue ball Administrative: Update #1: Critical Weather Day Ended October 18, 2026 - Issued October 18 , 2026 0938Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-6A Service - Issued: October 17, 2026 2142Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-6A Service - Issued: October 17, 2026 1822Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 17, 2026 - Issued: October 17, 2026 1810Z
blue ball Product Outage/Anomaly: Update #1 - Eumetsat Sentinel-6A Service - Issued: October 17, 2026 0850Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-6A Service - Issued: October 17, 2026 0649Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 17, 2026 - Issued: October 17, 2026 0049Z
blue ball Product Outage/Anomaly: (Correction) S-NPP SMD Data Delay - Issued: October 16, 2026 2104Z
blue ball Administrative: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans scheduled from October 22 through October 24, 2026 - Issued: October 16, 2026 1604Z
blue ball Product Outage/Anomaly:Update:#1: Eumetsat Sentinel-3A Service - Issued: October 16, 2026 1029Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 16, 2026 - Issued: October 16, 2026 0927Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 16, 2026 - Issued: October 16, 2026 0716Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-3A Service - Issued: October 16, 2026 0712Z
blue ball Product Outage/Anomaly: Update #1 S-NPP SMD Data Delay - Issued: October 16, 2026 0624Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 16, 2026 0428Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-3A Service - Issued: October 16, 2026 0144Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 16, 2026 - Issued: October 16, 2026 0041Z
blue ball Administrative: Himawari-9 Weekly Special Satellite Operations Schedule, Issued: October 15, 2026 2030 UTC
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 15, 2026 - Issued: October 15, 2026 1934Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 15, 2026 - Issued: October 15, 2026 1348Z
blue ball Product Outage/Anomaly: (Update #1) NOAA-20 SMD Data Delay - Issued: October 15, 2026 1326Z
blue ball Product Outage/Anomaly: (Update #1) NOAA-21 SMD Data Delay - Issued: October 15, 2026 1250z
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: October 15, 2026 1211z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: October 15, 2026 1202Z
blue ball Product Outage/Anomaly: Update#1 S-NPP SMD Data Delay - Issued: October 15, 2026 1156Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 15, 2026 0825Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 15, 2026 - Issued: October 15, 2026 0607Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 16, 2026 - Issued: October 15, 2026 0607Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 15, 2026 - Issued: October 15, 2026 0607Z
blue ball Administrative: Critical Weather Day Declared for October 15, 2026 - Issued: October 15, 2026 0538Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 15, 2026 - Issued: October 15, 2026 0019Z
blue ball Administrative: GOES-19 SEISS MPS-LO Electron and Ion Microchannel Plate (MCP) HV Bias Calibration (impacts SEISS) Scheduled for October 21, 2026 1600Z, Issued: October 14, 2026 1855Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 14, 2026 - Issued: October 14, 2026 1221Z
blue ball Administrative: Enhanced Caution Declared for October 14, 2026 - Issued: October 14, 2026 1149Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 14, 2026 - Issued: October 14, 2026 0856Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 14, 2026 - Issued: October 14, 2026 0856Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 14, 2026 - Issued: October 14, 2026 0129Z
blue ball Administrative: Update #7 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: October 13, 2026 2025 UTC
blue ball Administrative: MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update October 13, 2026 - Issued: October 13, 2026 2017Z
blue ball Administrative: Correction: SOLAR-1 Planned Outage /MAG X-Axis 5 Rev Calibration - Issued: October 13, 2026 1817Z
blue ball Administrative: SOLAR-1 Planned Outage /MAG X-Axis 5 Rev Calibration - Issued October 15, 2026 1749Z
blue ball Administrative: Update #4: NCCF Product Release 1.27-1.1 on September 30, 2026 - Issued: October 13, 2026 1730 UTC
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 13, 2026 - Issued: October 13, 2026 1208Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 13, 2026 - Issued: October 13, 2026 0859Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 13, 2026 - Issued: October 13, 2026 0857Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-3B Service - Issued: October 13, 2026 0840Z
blue ball Product Outage/Anomaly: Correction: NOAA-21 SMD Data Delay - Issued: October 12, 2026 2302Z
blue ball Administrative: SOLAR-1 SAN Exec Failover (from WCDAS --> CBU) - 13 October 2026 - Issued: October 12, 2026 1823Z
blue ball Administrative: GOES-19 SUVI Flat Field Calibrations (impacts SUVI, EXIS, & CCOR data) Scheduled for October 16 - 23, 2026 - Issued: October 12, 2026 1741Z
blue ball Product Anomaly/Outage: Update #1 GOSAT-GW Data Delay-Issued October 12, 2026 1527Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 12, 2026 - Issued: October 12, 2026 1422Z
blue ball Product Outage/Anomaly: GOSAT-GW SMD Data Delay - Issued: October 12, 2026 1418Z
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: October 12, 2026 1405Z
blue ball Product Anomaly/Outage: Correction: GOES-18, 19 - GOES-18, 19 products delivered to PDA Issued: Oct 12, 2026 1300Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 12, 2026 - Issued: October 12, 2026 1210Z
blue ball Product Anomaly/Outage: GOES-18, 19 - products delivered to AWIPS, GRB, PDA, SWPC -Issued: Oct 12, 2026 1147Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 12, 2026 - Issued: October 12, 2026 1104Z
blue ball Administrative: Correction: GOES-WEST MDS Meso-1 Scheduled for October 12, 2026 - Issued: October 12, 2026 1058Z
blue ball Administrative: Correction: GOES-WEST MDS Meso-1 Scheduled for October 12, 2026 - Issued: October 12, 2026 1049Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 12, 2026 - Issued: October 12, 2026 1039Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 12, 2026 - Issued: October 12, 2026 1035Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 12, 2026 1032Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 11, 2026 - Issued: October 11, 2026 1900Z
blue ball Administrative: Correction: GOES-EAST MDS Meso-2 Scheduled for October 11, 2026 - Issued: October 11, 2026 1536Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 11, 2026 - Issued: October 11, 2026 1532Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 11, 2026 - Issued: October 11, 2026 1046Z
blue ball Administrative: CANCELED GOES-WEST MDS Meso-2 Scheduled for October 10, 2026 - Issued: October 11, 2026 1038Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 11, 2026 - Issued: October 11, 2026 0144Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 10, 2026 - Issued: October 10, 2026 1429Z
blue ball Product Outage/Anomaly: Update #1: S-NPP SMD Data Delay - Issued: October 10, 2026 0950Z
blue ball Administrative: Update #1: Critical Weather Day Ended- Issued October 10 , 2026 0940Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 10, 2026 - Issued: October 10, 2026 0329Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 10, 2026 - Issued: October 10, 2026 0328Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 10, 2026 - Issued: October 10, 2026 0327Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 10, 2026 0120Z
blue ball Administrative:Correction: GOES-EAST MDS Meso-2 Scheduled for October 09, 2026 - Issued: October 09, 2026 2241Z
blue ball Product Outage/Anomaly: EUMETSAT Sentinel-6B Service - Issued: October 09, 2026 1910Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 09, 2026 - Issued: October 09, 2026 1420Z
blue ball Product Outage/Anomaly: (Update #1) NOAA-21 SMD Data Delay - Issued: October 09, 2026 1250z
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: October 08, 2026 1155z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 09, 2026 - Issued: October 09, 2026 0500Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 09, 2026 - Issued: October 09, 2026 0330Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 09, 2026 -
×

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.