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:   Jul 09, 2026 15:04 UTC

blue ball Himawari-9 Weekly Special Satellite Operations Schedule, Issued: July 9, 2026 1500 UTC
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 09, 2026 - Issued: July 09, 2026 1102Z
blue ball Administrative: Update #1 - GOES West MDS Meso-1 Scheduled for July 08, 2026 - Issued: July 09, 2026 0705Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 09, 2026 - Issued: July 09, 2026 0115Z
blue ball Product Outage/Anomaly: Update #1: S-NPP SMD Data Delay - Issued: July 09, 2026 0019Z
blue ball Administrative: Update #6 - Migration of GOES-R Data Operations (DO) to GEO Cloud Compute Subsystem (GCCS) - Issued July 8, 2026 1812 UTC
blue ball Product Anomaly/Outage:Retraction:GOES-18, 19 - ABI L1b All Bands products delivered to AWIPS, GRB -Issued: Jul 08, 2026 1618Z
blue ball Product Anomaly/Outage: GOES-18, 19 - ABI L1b All Bands products delivered to AWIPS, GRB -Issued: Jul 08, 2026 1532Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: July 08, 2026 1410Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 08, 2026 - Issued: July 08, 2026 0852Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 08, 2026 - Issued: July 07, 2026 2220Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 08, 2026 - Issued: July 07, 2026 2217z
blue ball Product Anomaly/Outage: GOES-18, 19 -products delivered to AWIPS, GRB -Issued: Jul 07, 2026 2032Z
blue ball Administrative: Update #5 - Migration of GOES-R Data Operations (DO) to GEO Cloud Compute Subsystem (GCCS) - Issued July 7, 2026 1508 UTC
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 07, 2026 - Issued: July 07, 2026 1449z
blue ball Administrative: (Correction ) GOES West MDS Meso-1 Scheduled for July 07, 2026 - Issued: July 07, 2026 1425Z
blue ball Administrative: GCOM-W1 DMU Maneuver on July 8, 2026 at 0630Z , Issued July 07, 2026 1326z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 06, 2026 - Issued: July 06, 2026 1325Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 07, 2026 - Issued: July 07, 2026 1214z
blue ball Administrative: Update #2: Critical Weather Day Declared through Tuesday July 03, 2026 - Issued: July 06, 2026 2210Z
blue ball Product Outage/Anomaly: Update #3: NOAA-20 Data Delay - Issued: July 06, 2026 1954Z
blue ball Administrative: Update #4 - Migration of GOES-R Data Operations (DO) to GEO Cloud Compute Subsystem (GCCS) - Issued July 6, 2026 1935 UTC
blue ball Product Outage/Anomaly: Update #2: NOAA-20 Data Delay - Issued: July 06, 2026 1703Z
blue ball Product Outage/Anomaly: Update #1: NOAA-20 Data Delay - Issued: July 06, 2026 1611Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued: July 06, 2026 1608Z
blue ball Product Outage/Anomaly: Update # 1: EUMETSAT: Alert Message 2026-07-06 14:40:14 :: Sentinel-3A Service,Sentinel-3B Service Issued July 6, 2026 1524Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued: July 06, 2026 1515Z
blue ball Administrative: AWS services impacting GOES-18, GOES-19,Solar-1, and Mission Data Issued: July 06, 2026 1428Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message 2026-07-08 13:41:12 :: Sentinel-3B Service Issued July 8, 2026 1358Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 06, 2026 - Issued: July 06, 2026 1325Z
blue ball SARSAT Outage/Anomaly: LUT Down Guam 3 and 4 LEO Ground Stations Offline, Issued: July 06, 2026, 1232Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 06, 2026 - Issued: July 06, 2026 1228Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 06, 2026 - Issued: July 06, 2026 1108Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message 2026-07-06 09:40:41 :Sentinel-3A Service,Sentinel-3B Service Issued July 6, 2026 1008Z
blue ball Product Anomaly/Outage: GOES 19 Degradation-Issued: July 06,2026 0020Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message for Sentinel-3AService - Issued July 5, 2026 2217Z
blue ball Product Anomaly/Outage: Update #1 GOES-19 - Cloud Mask, Cloud Mask Probability products delivered to PDA -Issued: Jul 05, 2026 2202Z
blue ball Administrative: Enhanced Caution Declared for July 5, 2026 - Issued: July 5, 2026 2136Z
blue ball Product Anomaly/Outage: GOES-19 - Cloud Mask, Cloud Mask Probability products delivered to PDA -Issued: Jul 05, 2026 2124Z
blue ball Administrative: Update #1: Critical Weather Day Declared through Tuesday July 03, 2026 - Issued: July 5, 2026 2112Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 05, 2026 - Issued: July 05, 2026 1719Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 05, 2026 - Issued: July 05, 2026 1432Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 05, 2026 - Issued: July 05, 2026 1349Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 05, 2026 - Issued: July 05, 2026 1150Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 04, 2026 - Issued: July 04, 2026 2249Z
blue ball Administrative: Cancellation GOES East MDS Meso-2 Scheduled for July 04, 2026 - Issued: July 04, 2026 2245Z
blue ball Administrative: Jason-3 maneuver July 05, 2026-Issued: July 04, 2026 1710Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 04, 2026 - Issued: July 04, 2026 1618Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 04, 2026 - Issued: July 04, 2026 1440Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 04, 2026 - Issued: July 04, 2026 1418Z
blue ball Administrative: Update #1 GOES East MDS Meso-2 Scheduled for July 04, 2026 - Issued: July 04, 2026 1256Z
blue ball Administrative: Cancellation GOES East MDS Meso-2 Scheduled for July 04, 2026 - Issued: July 04, 2026 1252Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 04, 2026 - Issued: July 04, 2026 1202Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 03, 2026 - Issued: July 03, 2026 2201Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 03, 2026 - Issued: July 03, 2026 2106Z
blue ball Administrative: Cancellation GOES East MDS Meso-1 Scheduled for July 03, 2026 - Issued: July 03, 2026 2101Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 03, 2026 - Issued: July 03, 2026 1433Z
blue ball Product Anomaly/Outage: GOES-18 - Cloud Top Height, Fire Hot Spot products delivered to PDA -Issued: Jul 03, 2026 1254Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 03, 2026 - Issued: July 03, 2026 1224Z
blue ball Administrative: Correction: GOES East MDS Meso-1 Scheduled for July 03, 2026 - Issued: July 03, 2026 1215Z
blue ball Administrative: Critical Weather Day Declared for July 3, 2026 - Issued: July 03, 2026 0645Z
blue ball Product Outage/Anomaly: Update #1: S-NPP SMD Data Delay - Issued: July 2, 2026 2243Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: July 02, 2026 2117Z
blue ball Administrative: EUMETSAT Planned Maintenance - 0deg MTG Service, AHRPT Service - Metop-B,GDS-Metop-B,Sentinel-3B Service - Issued July 02, 2026 1650Z
blue ball Administrative: Update #1 - Decommissioning of Advanced Microwave Scanning Radiometer (AMSR2) Products and Transition to AMSR3 Products on August 31, 2026, Issued: July 2, 2026 1510 UTC
blue ball Administrative: Update #3 - Migration of GOES-R Data Operations (DO) to GEO Cloud Compute Subsystem (GCCS) - Issued July 2, 2026 1500 UTC
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 03, 2026 - Issued: July 02, 2026 1424Z
blue ball Product Anomaly/Outage: Update #1 - EUMETSAT Sentinel-3B Service - Issued July 02, 2026 1220Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 02, 2026 - Issued: July 02, 2026 1121Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 2, 2026 - Issued: July 2, 2026 0935Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 2, 2026 - Issued: July 2, 2026 0923Z
blue ball Product Anomaly/Outage: Correction: update #2 Product Anomaly/Outage: Instrument Engineers remedied the SUVI anomaly at 2115z SUVI data is now Recovering. Issued July 01, 2026 2311Z
blue ball Product Anomaly/Outage: update #2 Product Anomaly/Outage: Instrument Engineers remedied the SUVI anomaly at 2115z SUVI data is now Recovering. Issued July 01, 2026 2235Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 1, 2026 - Issued: July 1, 2026 2105Z
blue ball Product Anomaly/Outage: Update#1: GOES-18, 19 - All Products products delivered to AWIPS, GRB, PDA, SWPC - Issued: Jul 01, 2026 2045Z
blue ball Product Anomaly/Outage: GOES-18, 19 - All Products products delivered to AWIPS, GRB, PDA, SWPC -Issued: Jul 01, 2026 2005Z
blue ball Administrative: Retirement of Metop-B/C HRPT Data Scheduled for September 1, 2026, Issued: July 1, 2026 2000 UTC
blue ball Product Anomaly/Outage: Update #1: GOES-18 Total SUVI Outage - Issued July 01, 2026 1932Z
blue ball Product Anomaly/Outage: GOES-18 Total SUVI Outage - Issued July 01, 2026 1912Z
blue ball Product Anomaly/Outage: Update #1: Alert Message 2026-07-01 15:20:38 :: Sentinel-3B Service - Issued July 01, 2026 1825Z
blue ball Product Anomaly/Outage: Alert Message 2026-07-01 15:20:38 :: Sentinel-3B Service - Issued July 01, 2026 1537Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 1, 2026 - Issued: July 1, 2026 1456Z
blue ball Administrative: Correction: GOES East MDS Meso-2 Scheduled for July 01, 2026 - Issued: July 01, 2026 1210Z
blue ball Product Anomaly/Outage: Update#1: Alert Message 2026-07-01 09:22:08 :: GDS-Metop-B Issued July 01, 2026 1035Z
blue ball Product Anomaly/Outage: Alert Message 2026-07-01 09:22:08 :: GDS-Metop-B Issued July 01, 2026 0938Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 01, 2026 - Issued: July 01, 2026 0926Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 01, 2026 - Issued: July 01, 2026 0909Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 01, 2026 - Issued: July 01, 2026 0903Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems on July 1 -Issued: June 30, 1653Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: June 30, 2026 1624Z
blue ball Update #1: Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: June 30, 2026 1619Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: June 30, 2026 1548Z
blue ball SARSAT Outage/Anomaly: Update #1 - Final Update LUT Down Guam 3 and 4 LEO Ground Stations Offline, Issued: June 30, 2026, 1525Z
blue ball Administrative: Product Distribution and Access (PDA) Planned Oracle Server Patching at the NSOF OPS site, beginning June 30th, 2026 1400Z - Issued: June 30th, 2026 1400Z
blue ball Cancelled: Administrative: Correction: GOES West MDS Meso-2 Scheduled for June 30, 2026 - Issued: June 30, 2026 1218Z
blue ball Administrative: Correction: GOES West MDS Meso-2 Scheduled for June 30, 2026 - Issued: June 30, 2026 1212Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for June 30, 2026 - Issued: June 30, 2026 1208Z
blue ball Product Outage/Anomaly: Correction: Update # 1: NOAA-21 Data Delay Issued June 30, 2026 0937Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for June 30, 2026 - Issued: June 30, 2026 0654Z
blue ball Product Outage/Anomaly: Correction: Update # 1: NOAA-21 Data Delay Issued June 30, 2026 0339Z
blue ball Product Outage/Anomaly: Correction: NCCF GOES Product Outage issued June 30 2026 0321Z
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