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:   Mar 27, 2026 20:49 UTC

blue ball Administrative: GOES East MDS Meso-1 Scheduled for March 27, 2026 - Issued: March 27, 2026 2038Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for March 28, 2026 - Issued: March 27, 2026 1956Z
blue ball Product Outage/Delay: Jason-3 in Reduced mode - Issued March 27, 2026 1700Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b Bands 02, 11 Meso 2 products delivered to AWIPS, GRB, PDA -Issued: March 27, 2026 1633Z
blue ball Administrative: Update #1 - Enhanced Caution Declared for March 26, 2026 - Issued: March 27, 2026 1219Z
blue ball Product Outage/Anomaly: S-NPP Data Delay
blue ball Administrative: Correction - GOES East MDS Meso-2 Scheduled for March 27, 2026 - Issued: March 27, 2026 1935Z
blue ball Product Outage/Anomaly: Update #3: DMSP F-17 SSMI/S Outage - Issued: March 26, 2026 1733Z
blue ball Product Outage/Anomaly: EUMETSAT : (Update #1) GDS-Metop-B - Issued: March 26, 2026 1459Z
blue ball Product Anomaly/Outage: Update #1: GCOM-W1 SMD Data Delay - Issued: March 26, 2026 1350Z
blue ball Product Outage/Anomaly: EUMETSAT : GDS-Metop-B - Issued: March 26, 2026 1342Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: March 26, 2026 1215Z
blue ball Administrative: Enhanced Caution Declared for March 26, 2026 - Issued: March 26, 2026 1055Z
blue ball Product Anomaly/Outage: GCOM SMD Data Delay - Issued: March 26, 2026 0228Z
blue ball Product Anomaly/Outage: GCOM SMD Data Delay - Issued: March 26, 2026 0112Zes
blue ball Product Anomaly/Outage: GOES-18 - Aerosol Detection products delivered to PDA -Issued: March 25, 2026 2212Z
blue ball Product Anomaly/Outage: GOES-19 - ABI L1b Bands, Cloud and Moisture Bands, products delivered to PDA - Issued: Mar 25, 2026 2135Z
blue ball Administrative: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans scheduled from March 29 through April 2, 2026 - Issued: March 25, 2026 1810Z
blue ball Product Outage/Anomaly: Update #2: DMSP F-17 SSMI/S Outage - Issued: March 25, 2026 1447Z
blue ball Product Outage/Anomaly: Update #1: DMSP F-17 SSMI/S Outage - Issued: March 25, 2026 1253Z
blue ball Product Outage Anomaly Metop-B In-Plane Maneuver-Issued: Mar 25, 2026 0008Z
blue ball Product Outage/Anomaly: DMSP F-17 SSMI/S Outage - Issued: March 24, 2026 1701Z
blue ball Administrative: Metop-C HEAP IASI Retrieval degradation - issued March 24, 2024 1646 UTC
blue ball Product Anomaly/Outage Update#1: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products, CCOR products delivered to GRB, PDA, SWPC -Issued: March 24, 2026 0513Z
blue ball Product Anomaly/Outage: GOES-19 - All EXIS Products, All SEISS Products, All SUVI Products, CCOR products delivered to GRB, PDA, SWPC -Issued: March 24, 2026 0513Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for March 24, 2026 - Issued: March 24, 2026 0128Z
blue ball Product Outage/Anomaly: EUMETSAT : GDS-Metop-B - Issued: March 23, 2026 1926Z
blue ball Administrative: GOES-19 ABI Post Yaw Flip Solar Calibration Scan Scheduled for March 30, 2026 - Issued: March 23 2026 1801Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scheduled for March 30, 2026 - Issued: March 23 2026 1700Z
blue ball Product Outage/Anomaly: Correction: SARSAT Final Update: Guam 4 LEO Ground Station Offline - Issued: March 23, 2026 1545Z
blue ball SARSAT Outage/Anomaly: Final Update: Guam 4 LEO Ground Station Offline - Issued: March 23, 2026 1541Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 23, 2026 - Issued: March 23, 2026 1326Z
blue ball =?UTF-8?Q?Product_Outage=2FAnomaly=3A_EUMETSAT=3A_0=C2=B0_MTG_Service_=2D_?= =?UTF-8?Q?Issued=3A_March_23=2C_2026_1314Z?=
blue ball Product Outage/Anomaly: NOAA-20 SMD Delay - Issued: March 23, 2026 0734Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Delay - Issued: March 23, 2026 0606Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 22, 2026 - Issued: March 22, 2026 0714Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 22, 2026 - Issued: March 22, 2026 0706Z
blue ball Product Outage/Anomaly: Update#1:EUMETSAT- Alert Message 2026-03-21 14:04:26 :: GDS-Metop-B - Issued March 21, 2026 1611Z
blue ball Product Outage/Anomaly: EUMETSAT- Alert Message 2026-03-21 14:04:26 :: GDS-Metop-B - Issued March 21, 2026 1435Z
blue ball Administrative: Update#1: Enhanced Caution Declared for March 20, 2026 - Issued: March 21, 2026 1208Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for March 21, 2026 - Issued: March 21 , 2026 0810Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 21, 2026 - Issued: March 21, 2026 0805Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 21, 2026 - Issued: March 21, 2026 0757Z
blue ball Product Anomaly/Outage: GCOM SMD Data Delay - Issued: March 21, 2026 0252Z
blue ball Administrative: Enhanced Caution Declared for March 20, 2026 - Issued: March 20, 2026 2042Z
blue ball Product Outage/Anomaly: S-NPP Data Delay - Issued: March 20, 2026 1900Z
blue ball Product Outage/Anomaly: S-NPP Data Delay - Issued: March 20, 2026 1640Z
blue ball Product Outage/Anomaly: (Update #1) S-NPP Data Outage - Issued: March 20, 2026 1358Z
blue ball Product Outage/Anomaly: S-NPP Data Outage - Issued: March 20, 2026 1218Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for March 20, 2026 - Issued: March 20 , 2026 0738Z
blue ball Product Anomaly/Outage: GOES-19 - ADP, AOD, Cloud ALL, CMI_ALL, FDC, FSC, LSA, LST, LVMP, RSR, SST, DMW_ALL products delivered to PDA -Issued: Mar 20, 2026 0120Z
blue ball Administrative:Update#2 GOES-19 Yaw Flip Maneuver Scheduled for March 19, 2026 - Issued: March 19, 2026 1802Z
blue ball Himawari-9 Weekly Special Satellite Operations Schedule, Issued: March 19, 2026 1757 UTC
blue ball Update #1: Administrative: GOES-19 Yaw Flip Maneuver Scheduled for March 19, 2026 - Issued: March 19, 2026 1343 UTC
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 19, 2026 - Issued: March 19, 2026 0936Z
blue ball Product Outage/Anomaly: Update # 1: EUMETSAT- Sentinel-6A Service Issued March 18, 2026 - Issued March 18, 2026 0033Z
blue ball Product Outage/Anomaly: EUMETSAT- Alert Message 2026-03-18 22:53:16: Sentinel-6A Service Issued March 18, 2026 - Issued March 18, 2026 2332Z
blue ball Product Outage/Anomaly: EUMETSAT- Sentinel-6A Service Issued March 18, 2026 - Issued March 18, 2026 2252Z
blue ball Product Outage/Anomaly: EUMETSAT- Sentinel-6A Service Issued March 18, 2026 - Issued March 18, 2026 2114Z
blue ball Product Outage/Anomaly: Update #1: NOAA-21 Data Delay - Issued: March 18, 2026 1513Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: March 18, 2026 1346Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 18, 2026 - Issued: March 18, 2026 1204Z
blue ball Administrative: Update #1 - Legacy Products Retirement of AVHRR and VIIRS Coast Watch SST Swaths on March 17, 2026 1800 UTC - Issued March 17, 2026 1405 UTC
blue ball Administrative: S-NPP Drag Make-Up Maneuver (DMU) 046 Scheduled for March 18, 2026- Issued: March 17, 2026 1305Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 17, 2026 - Issued: March 17, 2026 1249Z
blue ball Administrative: (Update #1) GOES-East MDS Meso-2 Scheduled for March 17, 2026 - Issued: March 17, 2026 1238Z
blue ball Administrative: Update #2 - Critical Weather Day Declared for March 15, 2026 - Issued: March 17, 2026 0920Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 17, 2026 - Issued: March 17, 2026 0805Z
blue ball Product Outage/Anomaly: Update # 1: S-NPP Data Outage - Issued: March 16, 2026 2126Z
blue ball Product Anomaly/Outage: Correction: Noisy data for NPP Rev 74533 FBK Issued March 16, 2026 2028Z
blue ball Product Anomaly/Outage: Noisy data for NPP Rev 74533 FBK Issued March 16, 2026 2004Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 16, 2026 - Issued: March 16, 2026 1602Z
blue ball Update #1: Administrative: GOES-19 SEISS MPS-LO Electron and Ion Microchannel Plate (MCP) HV Bias Calibration (impacts SEISS) Scheduled for March 18, 2026 Issued: March 16, 2026 1208Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 16, 2026 - Issued: March 15, 2026 1515Z
blue ball Administrative: Update#1 GOES-East MDS Meso-2 Scheduled for March 15, 2026 - Issued: March 15, 1505Z
blue ball Administrative: Update #1 - Critical Weather Day Declared for March 15, 2026 - Issued: March 15, 2026 0946Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 15, 2026 - Issued: March 15, 2026 0939Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 15, 2026 - Issued: March 15, 2026 0932Z
blue ball Administrative: Critical Weather Day Declared for March 15, 2026 - Issued: March 14, 2026 2301Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 14, 2026 - Issued: March 14, 2026 1037Z
blue ball Administrative: Correction: GOES West MDS Meso-1 Scheduled for March 14, 2026 - Issued: March 13, 2026 2002Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for March 13 2026 - Issued: March 13, 2026 1955Z
blue ball Administrative: GOES-19 Yaw Flip Maneuver Scheduled for March 19, 2026 - Issued: March 12, 2026 1935 UTC
blue ball Administrative: Modification to Hazard Mapping System (HMS) Fire Point Analysis on April 15, 2026 - Issued March 12, 2026 1400 UTC
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 12, 2026 - Issued: March 12, 2026 1326Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 12, 2026 - Issued: March 12, 2026 1158Z
blue ball Administrative: Update #1 Enhanced Caution Event ended early for flooding ops across Hawaii. Issued: March 11, 2026 2338Z
blue ball Administrative: GOES-19 ABI Post Yaw Flip Solar Calibration Scan scheduled for March 19, 2026 - Issued: March 11, 2026 2010Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan Scheduled for March 19, 2026 - Issued: March 11, 2026 1950Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 11, 2026 - Issued: March 11, 2026 1420Z
blue ball Administrative: GOES-East MDS Meso-2 Scheduled for March 11, 2026 - Issued: March 11, 2026 1420Z
blue ball Administrative: GOES-East MDS Meso-1 Scheduled for March 11, 2026 - Issued: March 11, 2026 1305Z
blue ball Administrative: Update#1: Critical Weather Day Declared for March 10, 2026 - Issued: March 11, 2026 1212Z
blue ball Administrative: Update #2: NCCF Product Upgrade 1.26-2.2 on March 11, 2026 - Issued: March 11, 2026 1145 UTC
blue ball Administrative: NWS IT enterprise operating with Enhanced Caution for March 11, 2026 - Issued: March 11, 2026 0706Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Loss - Issued: March 11, 2026 0339Z
blue ball Product Outage/Anomaly: Sentinel-6A Service Issued March 10, 2026 - Issued March 10, 2026 2338Z
blue ball Product Outage/Anomaly: Sentinel-6A Service Issued March 10, 2026 - Issued March 10, 2026 2302Z
blue ball Subject: Administrative: MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 10 March 2026 - Issued: 10 March 2026 2156Z
blue ball Product Outage/Anomaly: Update#1 Alert Message 2026-03-10 20:19:37 :: Sentinel-6A Service Issued March 10, 2026 2110Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for March 10, 2026 - Issued: March 10, 2026 2055Z
blue ball Product Outage/Anomaly: Alert Message 2026-03-10 20:19:37 :: Sentinel-6A Service Issued March 10, 2026 2032Z
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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.