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:   Aug 06, 2026 14:34 UTC

blue ball Administrative: GOES West MDS Meso-2 Scheduled for August 06, 2026 - Issued: August 06, 2026 1422Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for August 06, 2026 - Issued: August 06, 2026 1312Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for August 06, 2026 - Issued: August 06, 2026 0619Z
blue ball Product Outage/Anomaly: Update #5 NPP SMD Data Delay - Issued: August 5, 2026 2135Z
blue ball Product Outage/Anomaly: EUMETSAT: Sentinel-3A Service, Sentinel-3B Service - Issued: August 05, 2026 1806Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems on August 6, 2026. Issued: August 5, 2026 1738Z
blue ball SARSAT Outage/Anomaly Update #2: Florida Medium Earth Orbit (MEO) and Lower Earth Orbit (LEO) Outage , Issued: August 05, 2026 1513Z
blue ball Product Outage/Anomaly: Alert Message 2026-08-04 19:30:13 :: Sentinel-3A Service,Sentinel-3B Service - Issued August 04, 2026 1944Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for August 04, 2026 - Issued: August 04, 2026 1931Z
blue ball Administrative: Jason-3 maneuver August 6, 2026-Issued: August 4, 2026 1712Z
blue ball Administrative: (Correction) GOES East MDS Meso-1 Scheduled for August 04, 2026 - Issued: August 04, 2026 1419Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for August 04, 2026 - Issued: August 04, 2026 1406Z
blue ball Administrative: Correction: GOES West MDS Meso-1 Scheduled for August 04, 2026 - Issued: August 04, 2026 2227Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for August 04, 2026 - Issued: August 04, 2026 1325Z
blue ball Product Anomaly/Outage: Resolved Product Impact SOLAR-1 Products - Issued: August 03, 2026 2056Z
blue ball Administrative: Cessation of Suomi National Polar-orbiting Partnership (S-NPP) data to users on/after November 01, 2026 - Issued August 3, 2026 1600Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for August 03, 2026 - Issued: August 03, 2026 1530Z
blue ball Product Outage/Anomaly: Update #4 NPP SMD Data Delay - Issued: August 3, 2026 1520Z
blue ball Product Outage/Anomaly: SOLAR-1 Planned Outage/CCOR Detector Temperature Offset Update - Issued: August 3, 2026 1505Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for August 03, 2026 - Issued: August 03, 2026 1338Z
blue ball Product Outage/Anomaly: Update #3 NPP SMD Data Delay - Issued: August 3, 2026 1140Z
blue ball Product Outage/Anomaly: Update #2 NPP SMD Data Delay - Issued: August 3, 2026 0612
blue ball Product Outage/Anomaly: Update #1 NPP SMD Data Delay - Issued: August 03, 2026 0424Z
blue ball Product Outage/Anomaly: NPP SMD Data Delay - Issued: August 03, 2026 0232Z
blue ball SARSAT Outage/Anomaly Update #1: Florida Medium Earth Orbit (MEO) and Lower Earth Orbit (LEO) Outage , Issued: August 02, 2026 2351Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for August 02, 2026 - Issued: August 02, 2026 1910Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for August 02, 2026 - Issued: August 02, 2026 1436Z
blue ball Administrative: (Correction) GOES West MDS Meso-1 Scheduled for August 02, 2026 - Issued: August 02, 2026 1423Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for August 02, 2026 - Issued: August 02, 2026 1415Z
blue ball Administrative: Update #1: Enhanced Caution Ended for August 01, 2026- Issued: August 02, 2026 1240Z
blue ball SARSAT Outage/Anomaly: Florida Medium Earth Orbit (MEO) and Lower Earth Orbit (LEO) Outage - Issued: August 02, 2026 0556Z
blue ball Product Outage/Anomaly: Jason-3 Data Delay- Issued: August 01, 2026 2310Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for August 01 2026 - Issued: August 01 2026 1052Z
blue ball Administrative: Update #1 GOES East MDS Meso-1 Scheduled for July 30, 2026 - Issued: August 01 2026 0016Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for August 01, 2026 - Issued: July 31, 2026 2247Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for August 01, 2026 - Issued: July 31, 2026 2242Z
blue ball Administrative: NCCF Product Release 1.26-4.2 on August 26, 2026 - Issued: July 31, 2026 2000 UTC
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 31, 2026 - Issued: July 31, 2026 1954Z
blue ball Administrative: S-NPP/OMPS special DIAG SCIENCE measurements scheduled for August 13, 2026 - Issued: July 31, 2026 1444Z
blue ball Product Outage/Anomaly: (Update#1) NOAA-20 Data Delay - Issued July 31, 2026 1758Z
blue ball Product Outage/Anomaly: Update #9: S-NPP Data Delay - Issued: July 31, 2026 1951Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued July 31, 2026 1643Z
blue ball Administrative: GOES-18 (West) EXIS Readout Noise Calibration (impacts EXIS and SUVI data) scheduled for August 7, 2026 - Issued: July 31, 2026 1444Z
blue ball Administrative: Discontinuation of On-Premises GMGSI scheduled for August 31, 2026, Issued: July 31, 2026 1405
blue ball Administrative: Update #1 - Upgrade of the Solar tables for Suomi National Polar-orbiting Partnership (S-NPP) Ozone Mapping and Profiler Suite Nadir Profiler Sensor Data Record (OMPS NP SDR) on July 22, 2026, Issued: July 31, 2026 1402 UTC
blue ball Product Outage/Anomaly - Metop-C GDS FRAC Data Loss - Issued July 31, 2026 1352Z
blue ball Product Outage/Anomaly - MetOP-B GDS FRAC Data Loss - Issued July 31, 2026 1332Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message for GDS-Metop-B,GDS-Multi-Metop,SAF Services - Issued July 31, 2026 1133Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 31, 2026 - Issued: July 31, 2026 1058Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message 2026-07-31 09:41:43 :: GDS-Metop-B,GDS-Multi-Metop,SAF Service July 31, 2026 0954Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 31, 2026 - Issued: July 31, 2026 0933Z
blue ball Administrative: Critical Weather Day Declared for August 01, 2026 - Issued: July 31, 2026 0924Z
blue ball Product Outage/Anomaly: Update #8: S-NPP Data Delay - Issued: July 30, 2026 1951Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 30, 2026 - Issued: July 30, 2026 1847Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message 2026-07-30 18:03:41 :: Sentinel-6A Service July 30, 2026 1832Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 30, 2026 - Issued: July 30, 2026 1442Z
blue ball Administrative: (Correction) Administrative: GOES East MDS Meso-2 Scheduled for July 29, 2026 - Issued: July 30, 2026 1227Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 29, 2026 - Issued: July 30, 2026 1222Z
blue ball Administrative: Update #2: Enhanced Caution Declared for July 28, 2026 - Issued: July 30, 2026 1207Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 30, 2026 - Issued: July 30, 2026 1046Z
blue ball Product Outage/Anomaly: Update #2: NOAA-21 ACSPO SST and VIIRS Radiance Cluster No Retrievals - Issued: July 29, 2026 1947Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 29, 2026 - Issued: July 29, 2026 1750Z
blue ball Product Outage/Anomaly: Update #1: Correction NOAA-21 ACSPO SST and VIIRS Radiance Cluster No Retrievals - Issued: July 29, 2026 1615Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 29, 2026 - Issued: July 29, 2026 1555Z
blue ball Administrative: Update: GOES West MDS Meso-1 Scheduled for July 29, 2026 - Issued: July 29, 2026 1415Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 29, 2026 - Issued: July 29, 2026 1410Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 29, 2026 - Issued: July 29, 2026 1345Z
blue ball Administrative: GOES-18 EXIS Cruciform Scan (impacts EXIS and SUVI data) scheduled for August 4, 2026 - Issued: July 29, 2026 1337Z
blue ball Administrative: Correction: GOES West MDS Meso-1 Scheduled for July 29, 2026 - Issued: July 29, 2026 1310Z
blue ball Administrative: GOES-18 EXIS Off-point Calibration (impacts EXIS and SUVI data) scheduled for August 4, 2026 - Issued: July 29, 2026 1255Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 29, 2026 - Issued: July 29, 2026 1210Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 29, 2026 - Issued: July 29, 2026 1035Z
blue ball Product Outage/Anomaly: NOAA-21 ACSPO SST and VIIRS Radiance Cluster No Retrievals Issued: July 28, 2026 2120Z
blue ball Product Outage/Anomaly: Update #1 NOAA-21 ACSPO SST and VIIRS Radiance Cluster No Retrievals Issued: July 28, 2026 1610Z
blue ball SARSAT Outage/Anomaly: Update # 1 - Final Update GU4 LEO Ground Station Offline, Issued: July 28, 2026 1522Z
blue ball SARSAT Outage/Anomaly: Update # 1 - Final Update LUT Down Guam 3 and 4 LEO Ground Stations Offline, Issued: July 28, 2026, 1517Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 28, 2026 - Issued: July 28, 2026 1515Z
blue ball Administrative:Update#1 GOES West MDS Meso-1 Scheduled for July 28, 2026 - Issued: July 28, 2026 1420Z
blue ball Administrative: Product Distribution and Access (PDA) Planned RHEL Patching at the NSOF OPS site, beginning July 28, 2026 1400Z - Issued: July 28, 2026 1325Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 28, 2026 - Issued: July 28, 2026 1149Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 28, 2026 - Issued: July 28, 2026 1143Z
blue ball Administrative: Update #3 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: July 28, 2026 1045 UTC
blue ball Product Outage/Anomaly: Correction- Update #1 NOAA-21 Data Delay - Issued: July 28, 2026 0823ZZ
blue ball Product Outage/Anomaly: JPSS J02 SMD Data Delay Issued July 28, 2026 0708Z
blue ball Product Outage/Anomaly: Update #1 NOAA-21 Data Delay - Issued: July 28, 2026 0807Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 27, 2026 - Issued: July 27, 2026 2145Z
blue ball Administrative: SOLAR-1 Planned Outage /SWiPS Quarterly In-Flight Calibration scheduled July 28, 2026 - Issued: July 27, 2026 1852Z
blue ball Administrative: GOES-18 EXIS FOV Mapping Calibration (impacts EXIS and SUVI data) scheduled for August 3, 2026 - Issued: July 27, 2026 1815Z
blue ball Administrative: Update #2 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on September 2, 2026, Issued: July 27, 2026 1740 UTC
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for August 03, 2026 - Issued: July 27, 2026 1716Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 27, 2026 - Issued: July 27, 2026 1629Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 27, 2026 - Issued: July 27, 2026 1626Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for August 03, 2026 - Issued: July 27, 2026 1613Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 27, 2026 - Issued: July 27, 2026 1512Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 27, 2026 - Issued: July 27, 2026 1124Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 26, 2026 - Issued: July 27, 2026 1120Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 27, 2026 - Issued: July 27, 2026 1102Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 27, 2026 - Issued: July 27, 2026 0932Z
blue ball Product Outage/Anomaly: S-NPP Data Delay Issued-July 27, 2026 0928Z
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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.