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:   Oct 27, 2026 23:04 UTC

blue ball Product Outage/Anomaly: Update #1: NOAA-21 SMD Data Delay - Issued: October 27, 2026 2250Z
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: October 27, 2026 2143Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: October 27, 2026 2140Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: October 27, 2026 2121z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: October 27, 2026 2120Z
blue ball Administrative: Update #8 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: October 27, 2026 1955UTC
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 27, 2026 - Issued: October 27, 2026 1752Z
blue ball Administrative: CANCELED GOES-WEST MDS Meso-1 Scheduled for October 27, 2026 - Issued: October 27, 2026 1745Z
blue ball Administrative: GOES-18 EXIS Cruciform Scan (impacts EXIS and SUVI data) scheduled for November 4, 2026 - Issued: October 27, 2026 1606Z
blue ball Administrative: GOES-18 EXIS Cruciform Scan (impacts EXIS and SUVI data) scheduled for November 4, 2026 - Issued: October 27, 2026 1550Z
blue ball Administrative: GOES-18 EXIS FOV Mapping Calibration (impacts EXIS and SUVI data) scheduled for November 3, 2026 - Issued: October 27, 2026 1358Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 27, 2026 - Issued: October 27, 2026 1011Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 27, 2026 - Issued: October 27, 2026 0906Z
blue ball SARSAT Outage/Anomaly Update #1 - Final Update: LME LEO Ground Station Offline, Issued: October 26, 2026 2235Z
blue ball SARSAT Outage/Anomaly Update #1 - Final Update: LUT Down Guam 3 and 4 LEO Ground Stations Offline - Issued: October 26, 2026 2230Z
blue ball Product Outage/Anomaly: Update#1 Eumetsat Sentinel-6A Service- Issued: October 26, 2026 2045Z
blue ball Product Outage/Anomaly: Eumetsat Sentinel-6A Service- Issued: October 26, 2026 1915Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 26, 2026 - Issued: October 26, 2026 1725Z
blue ball Administrative: UPDATED GOES-WEST MDS Meso-1 Scheduled for October 26, 2026 - Issued: October 26, 2026 1725Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 26, 2026 - Issued: October 26, 2026 1626Z
blue ball Administrative: UPDATED GOES-WEST MDS Meso-1 Scheduled for October 26, 2026 - Issued: October 26, 2026 1626Z
blue ball Administrative: Update #1: GOES-WEST MDS Meso-1 Scheduled for October 26, 2026 - Issued: October 26, 2026 1602Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 26, 2026 - Issued: October 26, 2026 1455Z
blue ball Administrative: UPDATED GOES-WEST MDS Meso-1 Scheduled for October 25, 2026 - Issued: October 26, 2026 1455Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 26, 2026 - Issued: October 26, 2026 0903Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 26, 2026 - Issued: October 26, 2026 0902Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 25, 2026 - Issued: October 25, 2026 1803Z
blue ball Administrative: Correction: Update #1 - GOES-WEST MDS Meso-1 Scheduled for October 24, 2026 - Issued: October 25, 2026 1813Z
blue ball Administrative: UPDATED GOES-WEST MDS Meso-1 Scheduled for October 24, 2026 - Issued: October 25, 2026 1805Z
blue ball Administrative: UPDATED GOES-WEST MDS Meso-2 Scheduled for October 25, 2026 - Issued: October 25, 2026 1217Z
blue ball Product Outage/Anomaly: Update #1 S-NPP SMD Data Delay - Issued: October 25, 2026 1157Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 25, 2026 1006Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 25, 2026 - Issued: October 25, 2026 0847Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 25, 2026 - Issued: October 25, 2026 0847Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 24, 2026 - Issued: October 24, 2026 1504Z
blue ball Product Outage/Anomaly: Update #1: S-NPP SMD Data Delay - Issued: October 24, 2026 1310Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 24, 2026 - Issued: October 24, 2026 0850Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 24, 2026 - Issued: October 24, 2026 0849Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 24, 2026 0838Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 24, 2026 0705Z
blue ball Product Outage/Anomaly: SNPP SMD Data Delay - Issued: October 24, 2026 0342Z
blue ball Administrative: Scheduled CGS F5 Shutdown 10.23.26-Issued: October 23, 2026 2151Z
blue ball Administrative: Update #1: NCCF Product Release 1.27-1.2 on November 19, 2026 - Issued: October 23, 2026 1900 UTC
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 23, 2026 - Issued: October 23, 2026 1802Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 23, 2026 1333Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 23, 2026 0926Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 23, 2026 0915Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 23, 2026 - Issued: October 23, 2026 0839Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 23, 2026 - Issued: October 23, 2026 0839Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 23, 2026 0722Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 22, 2026 2236Z
blue ball Product Outage/Anomaly: (Update#1) NOAA-20 SMD Data Delay - Issued: October 22, 2026 1810Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 22, 2026 - Issued: October 22, 2026 1709Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 22, 2026 - Issued: October 22, 2026 1709Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: October 22, 2026 1625Z
blue ball Administrative: Himawari-9 Weekly Special Satellite Operations Schedule, Issued: October 22, 2026 1600 UTC
blue ball Administrative: UPDATED GOES-EAST MDS Meso-2 Scheduled for October 20, 2026 - Issued: October 22, 2026 1346Z
blue ball Product Outage/Anomaly: Update #1 NOAA-20 SMD Data Delay - Issued: October 22, 2026 1307Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: October 22, 2026 1233Z
blue ball Product Outage/Anomaly: (Update # 1) SNPP SMD Data Delay - Issued: October 22, 2026 0951Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 22, 2026 - Issued: October 22, 2026 0744Z
blue ball Product Outage/Anomaly: SNPP SMD Data Delay - Issued: October 22, 2026 0358Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: October 22, 2026 0110Z
blue ball Product Outage/Anomaly: Eumetsat Metop-B Service - Issued: October 21, 2026 2348Z
blue ball Administrative: GOES-19 EXIS Cruciform Scan (impacts EXIS, SUVI, and CCOR data) scheduled for October 31, 2026 - Issued: October 21, 2026 1910Z
blue ball Administrative: GOES-19 EXIS Readout Noise Calibration (impacts EXIS and SUVI data) scheduled for October 30, 2026 - Issued: October 21, 2026 1907Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 21, 2026 - Issued: October 21, 2026 1528Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 21, 2026 - Issued: October 21, 2026 1528Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC Network Maintenance at the NSOF OPS site, beginning October 21st, 2026 1500Z - Issued: October 21st, 2026 1524Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for October 26, 2026, Issued: October 21, 2026 1432Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for October 26, 2026, Issued: October 21, 2026 1428Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for October 21, 2026 - Issued: October 21, 2026 0906Z
blue ball Administrative: GOES-19 EXIS Off-point Calibration (impacts EXIS, SUVI, and CCOR data) scheduled for October 28, 2026 - Issued: October 20, 2026 2005Z
blue ball Administrative: GOES-19 EXIS FOV Mapping Calibration (impacts EXIS, SUVI, and CCOR data) scheduled for October 27, 2026 - Issued: October 20, 2026 2000Z
blue ball Product Outage/Anomaly: Metop-B M1 FRAC Data Loss - Issued: October 20, 2026 1957Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 20, 2026 - Issued: October 20, 2026 1647Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 20, 2026 - Issued: October 20, 2026 1645Z
blue ball Product Outage/Anomaly: (Update # 3) SNPP SMD Data Delay - Issued: October 20, 2026 1539Z
blue ball Administrative: Jason-3 Maneuver Scheduled for October 22, 2026 - Issued: October 20, 2026 1525Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 20, 2026 - Issued: October 20, 2026 1420Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 20, 2026 - Issued: October 20, 2026 1417Z
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:
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