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:   Dec 13, 2025 12:19 UTC

blue ball Administrative: Update #3: Critical Weather Day Declared - Issued December 13, 2025 1213Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for December 14, 2025 - Issued: December 13, 2025 1153Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-12 23:33:05 :: Sentinel-3A Service - December 12, 2025 2338Z
blue ball Product Anomaly/Outage: Update #1: GCOM-W1 SMD Data Delay - Issued: December 12, 2025 2016Z
blue ball Product Outage/Anomaly Update #1 - Final Update: NOAA-21 Data Delay - Issued December 12, 2025 1940Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay- Issued: December 12, 2025 1838Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: December 12, 2025 1815Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-12 13:28:55 :: Sentinel-6A Service - Issued December 12, 2025 1337Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-12 13:27:25 :: Sentinel-6A Service - Issued: December 12, 2025 1334Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-12 11:00:08 :: Sentinel-6A Service - Issued: December 12, 2025 1117Z
blue ball Administrative: Update #2: Critical Weather Day Declared - Issued December 13, 2025 0011Z
blue ball Administrative: Update #1: Critical Weather Day Declared - Issued December 11, 2025 1610Z
blue ball Himawari-9 Weekly Special Satellite Operations Schedule, Issued: December 11, 2025 1550 UTC
blue ball Administrative: Update #5 - JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx15 Transition to Operations postponed to December 15, 2025 1630 UTC - Issued December 11, 2025 1427 UTC
blue ball Product Outage/Anomaly: GCOM-W1 SMD Data Delay - Issued - December 11, 2025 0557Z
blue ball Product Outage/Anomaly: GCOM-W1 SMD Data Delay - Issued - December 11, 2025 0421Z
blue ball Administrative: Critical Weather Day Declared - Issued December 10, 2025 2229Z
blue ball Product Outage/Anomaly: Update #2: NPP SMD Data Delay - Issued: December 10, 2025, 2031Z
blue ball Correction: Administrative:Update #1:Enhanced Caution Has Been Extended - Issued: December 10, 2025 1549Z
blue ball Administrative:Update #1:Enhanced Caution Has Ended - Issued: December 10, 2025 1544Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS SAN Refresh activity at the NSOF OPS site, beginning December 10th, 1500Z Issued December 10th, 2025 1351Z
blue ball Product Anomaly/Outage: GOES-18 - Sectorized Cloud and Moisture Bands 04, 06, 07, 08, 13, 14, 15, 16 products delivered to AWIPS -Issued: Dec 10, 2025 1E205Z
blue ball Product Outage/Anomaly: Update:1:NPP SMD Data Delay - Issued: December 10, 2025 0111Z
blue ball Product Outage/Anomaly: NPP SMD Data Delay - Issued: December 10, 2025 0101Z
blue ball Administrative: Metop-C In-Plane Maneuver Scheduled for December 10, 2025 0814Z - Issued: December 10, 2025 0039Z
blue ball Product Outage/Anomaly: Update #1 NOAA-20 Data Delay - Issued: December 09 2025 2118Z
blue ball Administrative: Correction: MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, December 9, 2025 - Issued: December 9, 2025 2045Z
blue ball Administrative: Update #1: Product Distribution and Access (PDA) Planned ESPC OPS SAN Refresh activity at the NSOF OPS site, beginning December 9th, 1300Z Issued - December 9, 2025 1905Z
blue ball Administrative: MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, December 9, 2025 - Issued: December 9, 2025 1902Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued: December 09 2025 1725Z
blue ball Administrative: Update #3 - NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193 postponed to January 15, 2026 - Issued December 9, 2025 1432 UTC
blue ball Administrative: Update #4 - JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx15 Transition to Operations on December 11, 2025 1630 UTC - Issued December 9, 2025 1420 UTC
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS SAN Refresh activity at the NSOF OPS site, beginning December 9, 1300Z Issued - December 9, 2025 1304Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-09 08:15:45 :: Sentinel-3B Service - Issued: December 9, 2025 0842Z
blue ball Administrative: Enhanced Caution Declared for December 9, 2025 0000Z - Issued: December 8, 2025 1954Z
blue ball Administrative: Update #1 - GOES West MDS Meso-2 Scheduled for December 06, 2025 - Issued: December 07, 2025 1826Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for December 07, 2025 - Issued: December 07, 2025 1324Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-07 10:36:46 :: Sentinel-3B Service - Issued: December 7, 2025 1043Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for December 06, 2025 - Issued: December 06, 2025 2330Z
blue ball SARSAT Outage/Anomaly: Alaska 4 LEO Ground Station Offline - Issued: December 06, 2025 2123Z
blue ball Product Anomaly/Outage: GOES-18 - products delivered to AWIPS, GRB, PDA - Issued: Dec 05, 2025 1935Z
blue ball Product Outage/Anomaly: Update#2 JPSS NPP VIIRS Data Delay - Issued: December 04, 2025 2135Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site (Day 2), beginning December 3rd, 1430Z - Issued December 3, 2025 2046Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems - Issued: December 3, 2025 2015Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-03 13:30:28 :: Sentinel-3B Service - Issued: December 3, 2025 1342Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site (Day 2), beginning December 3rd, 1430Z Issued December 3rd, 2025 1300Z
blue ball Administrative: Update#1:Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site, beginning December 2nd, 1430Z Issued December 2nd, 2025 2103Z
blue ball Product Outage/Anomaly: Update #1: NOAA-21 Data Delay - Issued: December 02, 2025 1908Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: December 02, 2025 1753Z
blue ball Administrative: Update #3 - JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx15 Transition to Operations rescheduled to December 11, 2025 - Issued December 2, 2025 1535 UTC
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS 4.10 Upgrade at the NSOF OPS site, beginning December 2nd, 1430Z Issued :December 2nd, 2025 1351Z
blue ball Administrative: Correction - GOES East MDS Meso-2 Scheduled for December 1, 2025 - Issued: December 1, 2025 2346Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for December 1, 2025 - Issued: December 1, 2025 2250Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan Scheduled for December 09, 2025 - Issued: December 01, 2025 1959Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan Scheduled for December 08, 2025-Issued: December 01, 2025 1945Z
blue ball Product Anomaly/Outage: GOES-19 ABI-L2 and derived products delivered to PDA - Issued: December 01, 2025 0218Z
blue ball Correction: Update#1: Administrative: GOES West MDS Meso-2 Scheduled for November 29, 2025 - Issued: November 30, 2025 2057Z
blue ball Update#1: Administrative: GOES West MDS Meso-2 Scheduled for November 29, 2025 - Issued: November 30, 2025 2053Z
blue ball Product Anomaly/Outage: Correction: GOES-19 - ABI L1b All Bands, Cloud and Moisture All Bands Products Delivered to PDA for November 30, 2025 - Issued: November 30, 2025 1259Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 29, 2025 - Issued: November 29, 2025 1920Z
blue ball Product Outage/Anomaly Update #1 - Final Update: GCOM-W1 Mission Data Delay Issued: November 29, 2025 1837Z
blue ball Product Outage/Anomaly: GCOM-W1 Mission Data Delay - Issued: November 29, 2025 1727Z
blue ball SARSAT Outage/Anomaly Update #1 - Final Update: Alaska 4 LEO Ground Station Offline, Issued: November 29, 2025 1424Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 28, 2025 - Issued: November 28, 2025 1712Z
blue ball SARSAT Outage/Anomaly: Alaska 4 LEO Ground Stations Offline - Issued: November 28, 2025 0742Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for November 27, 2025 - Issued: November 27, 2025 2054Z
blue ball Update #1: Product Outage/Anomaly:Alert Message 2025-11-27 14:19:44 :: Sentinel-3A Service - Issued: November 27, 2025 1816Z
blue ball Product Outage/Anomaly:Alert Message 2025-11-27 14:19:44 :: Sentinel-3A Service - Issued: November 27, 2025 1424Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-27 13:35:46 :: Sentinel-6A Service-Issued: November 27, 2025 1353Z
blue ball Product Outage/Anomaly: Metop-B Antarctic Data Acquisition - Issued: November 27, 2025 0422Z
blue ball Product Outage/Anomaly: Metop-B Antarctic Data Acquisition - Issued: November 27, 2025 0248Z
blue ball Product Outage/Anomaly: Update #1 Alert Message 2025-11-26 10:42:26 :: Sentinel-3A Service, Sentinel-3B Service - Issued November 26, 2025 1100Z
blue ball Product Anomaly/Outage Update #1: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products delivered to GRB, PDA. Issued November 26, 20265 0654Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 20:26:49 :Sentinel-3A Service-Issued: November 25, 2025 2047Z
blue ball Administrative: Jason-3 maneuver Scheduled November 27, 2025-Issued: November 25, 2025 1809Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 13:43:35 :: Sentinel-6A Service-Issued: November 25, 2025 1349Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS SAN Refresh updates at the NSOF OPS site, beginning November 25th, 1330Z -Issued: November 25th, 2025 1331Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for November 25, 2025 - Issued: November 25, 2025 1329Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 11:00:26 :: Sentinel-3B Service- Issued: November 25, 2025 1136Z
blue ball Product Outage/Anomaly: Correction Alert Message 2025-11-25 10:12:44 :: Sentinel-3A Service :: Sentinel-3A Service, Sentinel-3B Service - Issued November 25, 2025 1127Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 10:12:44 :: Sentinel-3A Service :: Sentinel-3A Service, Sentinel-3B Service - Issued November 25, 2025 1058Z
blue ball Product Anomaly/Outage Update #1: Correction: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products delivered to GRB, PDA. Issued November 26, 2025 0659Z
blue ball Product Anomaly/Outage: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products products delivered to GRB, PDA -Issued: Nov 25, 2025 0221Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-25 20:25:07 :: Sentinel-3B Service - Issued: November 25, 2025 2042Z
blue ball Administrative: Update #5: November 24, 2025: NCCF Product Upgrade 1.26-1.1 on October 22, 2025 - Issued: November 24, 2025 1940 UTC
blue ball Product Outage/Anomaly: Update #1 GCOM SMD Data Delay - Issued November 24, 2025 1628Z
blue ball Administrative: Update #1: GOES-19 Hydrazine Bipropellant Thruster (HBT) Flush Scheduled for November 24, 2025 2246 UTC - Issued: November 24, 2025 1541 UTC
blue ball Product Outage/Anomaly: GCOM SMD Data Delay - Issued November 24, 2025 1331Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for November 24, 2025 - Issued: November 24, 2025 1302Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-24 07:00:47 :: Jason-3 Service - Issued November 24, 2025 0718Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-23 23:09:33 :: Jason-3 Service - Issued November 23, 2025 2320Z
blue ball Product Outage/Anomaly: Update #1: Alert Message 2025-11-23 21:31:24 :: Jason-3 Service - Issued November 23, 2025 2145Z
blue ball Product Outage/Anomaly: Alert Message 2025-11-23 21:31:24 :: Jason-3 Service - Issued November 23, 2025 2138Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for November 23, 2025
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