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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Last Update: Dec 26, 2025 12:34 UTC
blue ball Administrative: Update #2: Enhanced Caution Has Ended - Issued: December 26, 2025 1226Z
blue ball Product Outage/Anomaly: Update #1: Alert Message 2025-12-26 09:35:17 :: Sentinel-6A Service - Issued: December 26, 2025 1009Z
blue ball Product Outage/Anomaly: Update #1: Alert Message 2025-12-26 09:29:23 :: Sentinel-6A Service - Issued: December 26, 2025 1004Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-26 06:19:34 :: Sentinel-6A Service - Issued: December 26, 2025 0633Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-26 06:17:02 :: Sentinel-6A Service - Issued: December 26, 2025 0630Z
blue ball Product Outage/Anomaly: (Correction) JPSS NOAA 20 SMD Delay - Issued: December 25, 2025 1230Z
blue ball Product Outage/Anomaly: JPSS N20 SMD Delay - Issued: December 25, 2025 1220Z
blue ball Administrative: (Update #1) Critical Weather Day Declared for December 24, 2025 - Issued: December 25, 2025 1207Z
blue ball Administrative: GOES-West MDS Meso-2 Scheduled for December 25, 2025 - Issued December 25, 2025 0442Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for December 25, 2025 - Issued December 25, 2025 0437Z
blue ball Product Anomaly/Outage: GOES-19 ABI-Sec CMI FD, CONUS, and Meso products delivered to AWIPS. - Issued: December 26, 2025 0033Z
blue ball Administrative: GOES-West MDS Meso-2 Scheduled for December 24, 2025 - Issued December 24, 2025 2029Z
blue ball Administrative: Correction: GOES-West MDS Meso-1 Scheduled for December 24, 2025 - Issued December 24, 2025 0016Z
blue ball Product Anomaly/Outage (Update #1): GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products products delivered to GRB, PDA -Issued: Dec 23, 2025 2240Z
blue ball Product Anomaly/Outage: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products products delivered to GRB, PDA -Issued: Dec 23, 2025 2022Z
blue ball Product Outage/Anomaly: Update#1 NPP CRIS Data Delay - Issued December 23, 2025 1839Z
blue ball Product Outage/Anomaly: Update#1 2025-12-23 11:54:03 :: Sentinel-3B Service Issued: December 23, 2025 1217Z
blue ball Product Outage/Anomaly: NPP CRIS Data Delay - Issued December 23, 2025 1015Z
blue ball Product Outage/Anomaly: NPP SMD Data Delay - Issued December 23, 2025 1007Z
blue ball Product Outage/Anomaly: Metop-B GDS FRAC Data Loss - Issued: December 23, 2025 0059Z
blue ball Product Outage/Anomaly: M3 Metop-C GDS FRAC Data Loss - Issued: December 23, 2025 0038Z
blue ball Product Outage/Anomaly: Update #1: NOAA-21 Data Delay - Issued December 22, 2025 2240Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued December 22, 2025 2106Z
blue ball Administrative: Critical Weather Day Declared for December 24, 2025 - Issued: December 22, 2025 2011Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for December 22, 2025 - Issued: December 22, 2025 1305Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-22 05:33:58 :: Sentinel-3A Service,Sentinel-3B Service Issued December 22, 2025 0635Z
blue ball Product Outage/Anomaly: NPP SMD Data Delay-Issued December 21, 2025 1608Z
blue ball Product Outage/Anomaly:Alert Message 2025-12-21 01:25:04 :: Sentinel-3B Service- Issued December 21, 2025 0236Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for December 20, 2025 - Issued: December 20, 2025 1600Z
blue ball Administrative: Update #1: Critical Weather Day Declared - Issued December 20, 2025 1220Z
blue ball Product Outage/Anomaly: GCOM-W1 SMD Data Loss - Issued: December 20, 2025 0459Z
blue ball Product Outage/Anomaly: GCOM-W1 SMD Data Loss - Issued: December 23, 2025 0105Z
blue ball Administrative: NOAA-21 VIIRS Lunar Calibration Roll Maneuver Scheduled for December 30, 2025 - Issued: December 19, 2025 1633Z
blue ball Administrative: NOAA-20 VIIRS Lunar Calibration Roll Maneuver Scheduled for December 30, 2025 1633Z
blue ball Administrative: S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for December 30, 2025 1630Z
blue ball Administrative: Critical Weather Day Declared - Issued December 19, 2025 1054Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-19 10:11:08 :: Sentinel-3B Service Issued December 19, 2025 1024Z
blue ball Administrative: Correction: GOES-East MDS Meso-1 Scheduled for December 19, 2025 - Issued: December 19, 2025 0657Z
blue ball Product Anomaly/Outage: GOES-19 ABI-L2 and derived products delivered to PDA Issued: December 19, 2025 0132Z
blue ball Administrative:Update#1 Enhanced Caution Declared for December 18, 2025 1400Z - Issued: December 18, 2025 2323Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for December 19, 2025 - Issued: December 18, 2025 2252Z
blue ball Administrative: Update #1: Product Distribution and Access (PDA) Planned ESPC OPS Security and Application update activities at the NSOF OPS site, beginning December 18th, 2025 1300Z - Issued: December 18th, 2025 2151Z
blue ball Product Anomaly/Outage: GOES-19 ABI-SecCMI FD, CONUS, and Meso products delivered to AWIPS - Issued: December 18, 2025 2142Z
blue ball Administrative: Correction: Update #1: GOES-East MDS Meso-2 Scheduled for December 17, 2025 - Issued: December 18, 2025 2051Z
blue ball Himawari-9 Weekly Special Satellite Operations Schedule, Issued: December 18, 2025 1735 UTC
blue ball Administrative: Update #1: GOES-East MDS Meso-1 Scheduled for December 17, 2025 - Issued: December 18, 2025 1414Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for December 18, 2025 - Issued: December 18, 2025 1408Z
blue ball Administrative: Update #1: GOES-East MDS Meso-2 Scheduled for December 17, 2025 - Issued: December 18, 2025 1403Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS Security and Application update activities at the NSOF OPS site, beginning December 18th, 1300Z Issued December 18th, 2025 1333Z
blue ball Administrative: Enhanced Caution Declared for December 18, 2025 1400Z - Issued: December 18, 2025 1324Z
blue ball Correction: Administrative: Canceled:Administrative: GOES-West MDS Meso-1 Scheduled for December 17, 2025 - Issued December 18, 2025 0049Z
blue ball Administrative: Canceled:Administrative: GOES-West MDS Meso-1 Scheduled for December 17, 2025 - Issued December 18, 2025 0033Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for December 17, 2025 - Issued: December 17, 2025 1732Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for December 17, 2025 - Issued: December 17, 2025 1720Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for December 17, 2025 - Issued December 17, 2025 1640Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for December 18, 2025 - Issued: December 18, 2025 1351Z
blue ball Administrative: GOES-West MDS Meso-2 Scheduled for December 17, 2025 - Issued December 17, 2025 0838Z
blue ball Product Outage/Anomaly: Metop-B Antarctic Data Acquisition - Issued: December 16, 2025 2200Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for December 17, 2025 - Issued: December 16, 2025 1949Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for December 16, 2025 , Issued: December 16, 2025 1659Z
blue ball Product Outage/Anomaly: Sentinel-6A Service - December 16, 2025 1429Z
blue ball Product Outage/Anomaly: Update #2 NOAA-20 Data Delay - Issued: December 16, 2025 1426Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued: December 16, 2025 1340Z
blue ball Product Anomaly/Outage: Update #1: GOES-18 - ABI L1b Bands 04, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16 products delivered to PDA - Issued: Dec 16, 2025 1329Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued: December 16, 2025 1326Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for December 17, 2025 - Issued: December 16, 2025 1319Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for December 17, 2025 - Issued: December 16, 2025 1310Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for December 22, 2025 - Issued: December 15, 2025 2109Z
blue ball Correction: Product Anomaly/Outage: GOES-19 - ABI L1b Bands 01, 03, 04, 05, 11, 12, 13 products delivered to PDA - Issued: Dec 15, 2025 1925Z
blue ball Product Anomaly/Outage: GOES-19 - ABI L1b Bands 01, 03, 04, 05, 11, 12, 13 products delivered to AWIPS, PDA - Issued: Dec 15, 2025 1921Z
blue ball Administrative: GOES ASOS SCP Station List Update - Issued: December 15, 2025 1841 UTC
blue ball Product Outage/Anomaly: Alert Message 2025-12-15 14:08:43 :: Sentinel-6A Service - December 15, 2025 1415Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-15 13:53:20 :: Sentinel-6A Service - December 15, 2025 1400Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS SAN Refresh activity at the NSOF OPS site, beginning December 15th, 1500Z Issued December 15th, 2025 1350Z
blue ball Administrative: Update #6 - JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx15 Transition to Operations now scheduled for December 15, 2025 1515 UTC - Issued December 15, 2025 1335 UTC
blue ball Product Outage/Anomaly: Alert Message 2025-12-15 11:52:54 :: Sentinel-6A Service - December 15, 2025 1215Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b Bands 04, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16 products delivered to PDA - Issued: Dec 15, 2025 1128Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b Bands 04, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16 products delivered to PDA - Issued: Dec 15, 2025 1103Z
blue ball Product Outage/Anomaly: GCOM-W1 SMD Data Loss - Issued: December 15, 2025 0635Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for December 15, 2025 - Issued: December 15, 2025 0255Z
blue ball Product Outage/Anomaly: NPP Data Delay - Issued: December 15, 2025 0018Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-14 16:44:26 :: 45.5deg E IODC MSG Issued 14, 2025 1827Z
blue ball Product Outage/Anomaly: Alert Message 2025-12-14 15:10:01 :: 45.5deg E IODC MSG Issued 14, 2025 1559Z
blue ball Product Outage/Anomaly: Correction: NOAA 21 Data Delay - Issued December 14, 2025 1210
blue ball Product Outage/Anomaly: Correction: NPAA 21 Data Delay - Issued December 14, 2025 1208Z
blue ball Administrative: GOES-West MDS Meso-1 Scheduled for December 14, 2025 - Issued: December 14, 2025 0515Z
blue ball Product Outage/Anomaly: Clarification on Update #1 - J2 SMD Data Delay - Issued December 14, 2025 0945Z
blue ball Product Outage/Anomaly: Update #1 - J2 SMD Data Delay - Issued December 14, 2025 0935Z
blue ball Product Outage/Anomaly: J2 SMD Data Delay - Issued December 14, 2025 0925Z
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
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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.