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:   Nov 09, 2026 18:49 UTC

blue ball Administrative: Corrections: Update #1: GOES-EAST MDS Meso-1 Scheduled for November 09, 2026 - Issued: November 09, 2026 1835Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 09, 2026 - Issued: November 09, 2026 1819Z
blue ball Administrative: Update #1: GOES-EAST MDS Meso-1 Scheduled for November 09, 2026 - Issued: November 09, 2026 1817Z
blue ball Product Outage/Anomaly: Update #1: EUMETSAT: 0deg MTG Imaging Service, EUMETSAT Data Centre, Sentinel-3A Service,Sentinel-3B Service - Issued: November 9, 2026 1351Z
blue ball =?UTF-8?Q?Product_Outage=2FAnomaly=3A_Update_=231=3A_EUMETSAT=3A_0=C2=B0_MTG?= =?UTF-8?Q?_Imaging_Service=2C_EUMETSAT_Data_Centre=2C_Sentinel=2D3A_Service=2C?= =?UTF-8?Q?Sentinel=2D3B_Service_=2D_Issued=3A_November_9=2C_2026_1351Z?=
blue ball Administrative: Product Distribution and Access (PDA) Planned PDA Release 4.12 Upgrade at the NSOF OPS site, beginning November 9th, 2026 1330Z - Issued: November 9, 2026 1313Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for November 09, 2026 - Issued: November 09, 2026 1120zZ
blue ball Product Anomaly/Outage: Alert Message 2026-11-08 18:51:04 :: 0deg MTG Imaging Service, EUMETSAT Data Centre, Sentinel-3A Service, Sentinel-3B Service - Issued: November 8, 2026 1907Z
blue ball =?UTF-8?Q?Product_Anomaly=2FOutage=3A_Alert_Message_2026=2D11=2D08_18=3A?= =?UTF-8?Q?51=3A04_=3A=3A_0=C2=B0_MTG_Imaging_Service=2C_EUMETSAT_Data_Centre=2C_Sent?= =?UTF-8?Q?inel=2D3A_Service=2C_Sentinel=2D3B_Service_=2D_Issued=3A_November_8=2C_2?= =?UTF-8?Q?026_1907Z?=
blue ball Administrative: Update #1: GOES-WEST MDS Meso-1 Scheduled for November 08, 2026 - Issued: November 09, 2026 1824Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 08, 2026 - Issued: November 08, 2026 1514Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for November 08, 2026 - Issued: November 08, 2026 1328Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 07, 2026 - Issued: November 07, 2026 1156Z
blue ball Administrative: UPDATE#1 GOES-WEST MDS Meso-1 Scheduled for November 06, 2026 - Issued: November 07, 2026 1156Z
blue ball SARSAT Outage/Anomaly: Update #1 - Final Update Hawaii MEO Ground Station Offline, Issued: November 07, 2026 0600Z
blue ball SARSAT Outage/Anomaly: Hawaii Medium Earth Orbit (MEO) Outage, Issued: November 07, 2025 0556Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 06, 2026 - Issued: November 06, 2026 1707Z
blue ball Administrative: UPDATE#1 GOES-WEST MDS Meso-1 Scheduled for November 05, 2026 - Issued: November 06, 2026 1707Z
blue ball Product Outage/ Anomaly: Update #1: MetOp-B M1 FRAC Data Loss - Issued: November 06, 2026 1537Z
blue ball Administrative: Update #10 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: November 6, 2026 1422 UTC
blue ball Product Anomaly/Outage: Update #1 Alert Message 2026-11-04 15:22:40 :: Sentinel-3A Service,Sentinel-3B Service - Issued: November 6, 2026 1420Z
blue ball Product Outage/ Anomaly: MetOp-B M1 FRAC Data Loss - Issued: November 05, 2026 2125Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for November 05, 2026 - Issued: November 05, 2026 1927Z
blue ball Administrative: Himawari-9 Weekly Special Satellite Operations Schedule, Issued: November 5, 2026 1500 UTC
blue ball Product Outage/Anomaly: (Update #1) NOAA-21 SMD Data Delay - Issued: November 05, 2026 1302z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 05, 2026 - Issued: November 05, 2026 1221Z
blue ball Administrative: UPDATED GOES-WEST MDS Meso-1 Scheduled for November 04, 2026 - Issued: November 05, 2026 1221Z
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: November 05, 2026 1209Z
blue ball Administrative: GOES-WEST MDS Meso-2 Scheduled for November 04, 2026 - Issued: November 04, 2026 2138Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 04, 2026 - Issued: November 04, 2026 1756Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-04 15:22:40 :: Sentinel-3A Service,Sentinel-3B Service - Issued: November 4, 2026 1557Z
blue ball Product Outage/Anomaly: Correction: HRIT Broadcast Data Delay-Issued November 04, 2026 1446Z
blue ball Administrative: Update #2: CBU Power Maintenance Scheduled for November 2-4, 2026 - Issued: November 4, 2026 1442Z
blue ball Product Outage/Anomaly: Update #2: HRIT Broadcast Data Delay-Issued November 04, 2026 1433Z
blue ball Product Anomaly/Outage: NCCF Secure Ingest Data Onboarding Delay - Issued November 03, 2026 1851Z
blue ball Product Outage/Anomaly: Update #1: HRIT Broadcast Data Delay - Issued November 03, 2026 1534Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-03 11:00:36 :: Sentinel-3A Service,Sentinel-3B Service - Issued: November 3, 2026 1150Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-03 08:09:22 :: Sentinel-3B Service - Issued: November 3, 2026 0850Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-03 08:07:48 :: Sentinel-3A Service - Issued: November 3, 2026 0840Z
blue ball Product Anomaly/Outage: Update #1: GOES-18 Degradation of MAG Products - Issued: November 02, 2026 2019Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for November 02, 2026 - Issued: November 02, 2026 2018Z
blue ball Administrative: Update #4 - Cessation of Suomi National Polar-orbiting Partnership (S-NPP) data to users on November 02, 2026 1540 UTC and Decommissioning - Issued November 2, 2026 1800 UTC
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for November 9, 2026 - Issued: November 2, 2026 1738Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for November 9, 2026 - Issued: November 2, 2026 1730Z
blue ball Product Anomaly/Outage: NOAA-20 SMD Data Delay - Issued: November 2, 2026 1552Z
blue ball Product Anomaly/Outage: NOAA-21 SMD Data Delay - Issued: November 2, 2026 1548Z
blue ball Product Outage/Anomaly: Update #1: GOES-18 All EXIS, SUVI and SEISS Products - Issued: November 02, 2026 1547Z
blue ball Product Anomaly/Outage: GOES-18 Degradation of MAG Products - Issued: November 02, 2026 1353Z
blue ball Product Anomaly/Outage: SOLAR-1 Planned Outage / SK#10 Maneuver - Issued: November 2, 2026 1254Z
blue ball Administrative: Update #1: CBU Power Maintenance Scheduled for November 2-4, 2026 - Issued: November 2, 2026 1230Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for November 02, 2026 - Issued: November 02, 2026 0845Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-02 00:27:28 :: Update # 1Sentinel-6A Service - Issued: November 02, 2026 0800Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-02 00:27:28 :: Sentinel-6A Service - Issued: November 02, 2026 0039Z
blue ball Product Outage/Anomaly: HRIT Broadcast Data Delay - Issued November 01, 2026 2245Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for November 01, 2026 - Issued: November 01, 2026 1800Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-01 12:58:36 :: Sentinel-3B Service - Issued: November 01, 2026 1502Z
blue ball Product Anomaly/Outage: Alert Message 2026-11-01 12:54:55 :: Sentinel-3A Service - Issued: November 01, 2026 1454Z
blue ball Product Outage/Anomaly: Update #1: L1/L2 Monitoring Issues - Issued November 01, 2026 0528Z
blue ball Product Outage/Anomaly: GOES-18 All EXIS, SUVI and SEISS Products - Issued: November 01, 2026 0306Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for November 01, 2026 - Issued: November 01, 2026 0143Z
blue ball Product Anomaly/Outage: Update #1: Alert Message 2026-10-31 23:38:09 :: GDS-Metop-B- Issued: October 31, 2026 0045Z
blue ball Product Anomaly/Outage: Alert Message 2026-10-31 23:38:09 :: GDS-Metop-B- Issued: October 31, 2026 2350Z
blue ball Administrative: Enhanced Caution Declared for November 01, 2026 - Issued: October 31, 2026 2011Z
blue ball Administrative: Product/Outage Anomaly L2/L1 Monitoring Issues - Issued October 31, 2026 1919Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 31, 2026 - Issued: October 31, 2026 1448Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 31, 2026 0824Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 30, 2026 - Issued: October 30, 2026 1549Z
blue ball Product Outage/Anomaly: Correction: Update #1: Eumetsat:Jason-3 Service- Issued: October 30, 2026 1538Z
blue ball Product Outage/Anomaly:Update #1: Eumetsat:Jason-3 Service- Issued: October 30, 2026 1529Z
blue ball Administrative: GOES-18 EXIS Readout Noise Calibration (impacts EXIS and SUVI data) scheduled for November 7, 2026 - Issued: October 30, 2026 1445Z
blue ball Administrative: Update #4 - Cessation of Suomi National Polar-orbiting Partnership (S-NPP) data to users on November 02, 2026 1540 UTC and Decommissioning - Issued November 2, 2026 1800 UTC
blue ball Administrative: Update #3 - Cessation of Suomi National Polar-orbiting Partnership (S-NPP) data to users on November 02, 2026 1540 UTC and Decommissioning - Issued October 30, 2026 1400 UTC
blue ball Administrative: Himawari-9 Weekly Special Satellite Operations Schedule, Issued: October 30, 2026 1400 UTC
blue ball Administrative: Update #4 - Retirement of GOES R Rainfall Rate/Quantitative Precipitation Estimation on November 2, 2026 - Issued October 30, 2026 1330 UTC
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: October 30, 2026 1322Z
blue ball Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued: October 30, 2026 1222Z
blue ball Product Outage/Anomaly: Eumetsat:Jason-3 Service- Issued: October 30, 2026 1206Z
blue ball Product Outage/Anomaly: Update #1 S-NPP SMD Data Delay - Issued: October 30, 2026 0706Z
blue ball Product Outage/Anomaly: Update #1 S-NPP SMD Data Delay - Issued: October 30, 2026 0704Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 30, 2026 0504Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: October 30, 2026 0330Z
blue ball Administrative: GOES-EAST MDS Meso-1 Scheduled for October 29, 2026 - Issued: October 29, 2026 2034Z
blue ball Product Outage/Anomaly: Eumetsat: Sentinel-6A Service- Issued: October 29, 2026 1728Z
blue ball Administrative: UPDATE#1: GOES-WEST MDS Meso-1 Scheduled for October 28, 2026 - Issued: October 29, 2026 1658Z
blue ball Administrative: GOES-WEST MDS Meso-1 Scheduled for October 29, 2026 - Issued: October 29, 2026 1647Z
blue ball Product Anomaly/Outage: Update #1 - EUMETSAT Sentinel-3B Service - Issued October 29, 2026 1106Z
blue ball Product Outage/Anomaly: Update #1 - S-NPP SMD Data Delay - Issued: October 29, 2026 0200ZZ
blue ball Product Outage/Anomaly: Eumetsat: Sentinel-6A Service- Issued: October 28, 2026 1919Z
blue ball Administrative: Correction: Update #1: NCCF Product maintenance on October 28, 2026 - Issued: October 28, 2026 1806Z
blue ball Administrative: Update #1: NCCF Product maintenance on October 28, 2026 - Issued: October 28, 2026 1758Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 30, 2026 - Issued: October 28, 2026 1702Z
blue ball Product Outage/Anomaly: Eumetsat: Sentinel-3B Service- Issued: October 28, 2026 1625Z
blue ball Product Anomaly/Outage: GOES-18 Channel 16 ABI Product Degradation - Issued: October 28, 2026 1554Z
blue ball Administrative: CBU Power Maintenance Scheduled for November 2-4, 2026 - Issued: October 28, 2026 1517Z
blue ball Administrative: GOES-18 EXIS Off-point Calibration scheduled for November 3, 2026 - Issued: October 28, 2026 1515Z
blue ball Administrative: Update #9 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: October 28, 2026 1355UTC
blue ball Administrative: NCCF Product maintenance on October 28, 2026 - Issued: October 28, 2026 1250Z
blue ball Administrative: GOES-EAST MDS Meso-2 Scheduled for October 28, 2026 -
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