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 29, 2026 19:49 UTC

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
blue ball Product Outage/Anomaly: Update #2 S-NPP Data Delay Issued-July 27, 2026 0438Z
blue ball Product Outage/Anomaly: Correction S-NPP Data Delay Issued-July 27, 2026 0327Z
blue ball Product Outage/Anomaly: Update #1 NOAA-21 Data Delay - Issued: July 27, 2026 0321Z
blue ball Product Outage/Anomaly: Update #1 S-NPP Data Delay Issued-July 27, 2026 0302Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: July 27, 2026 0232Z
blue ball Product Outage/Anomaly: Correction S-NPP Data Delay Issued-July 27, 2026 0133Z
blue ball Product Outage/Anomaly: Final Update: SOLAR-1 in Safe Hold - Issued July 26, 2026 1740Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 27, 2026 - Issued: July 26, 2026 1700Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 26, 2026 - Issued: July 26, 2026 1654Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 26, 2026 - Issued: July 26, 2026 1547Z
blue ball Product Outage/Anomaly: Correction - SOLAR-1 in Safe Hold - Issued July 26, 2026 0823Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 26, 2026 - Issued: July 26, 2026 0803Z
blue ball Product Anomaly/Outage: Update #1: GCOM-W1 SMD Data Delay - Issued: July 26, 2026 0754Z
blue ball Product Outage/Anomaly: SOLAR-1 in Safe Hold - Issued July 26, 2026 0707Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: July 26, 2026 0648Z
blue ball Administrative: Correction#2: Update #1: Correction#1: GOES East MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 25, 2026 1749Z
blue ball Administrative: Update #1: Correction: GOES East MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 25, 2026 1728Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 25, 2026 - Issued: July 25, 2026 1521Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 25, 2026 - Issued: July 25, 2026 1516Z
blue ball Administrative: Cancellation: GOES West MDS Meso-1 Scheduled for July 25, 2026 - Issued: July 25, 2026 1509Z
blue ball Administrative: Cancellation: GOES West MDS Meso-2 Scheduled for July 25, 2026 - Issued: July 25, 2026 1507Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 26, 2026 - Issued: July 25, 2026 1159Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 25, 2026 - Issued: July 25, 2026 1153Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 26, 2026 - Issued: July 26, 2026 1140Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 25, 2026 - Issued: July 25, 2026 0918Z
blue ball Product Outage/Anomaly: EUMETSAT: Alert Message 2026-07-25 02:12:24 :: Sentinel-6A Service-Issued: July 25, 2026 0225Z
blue ball Administrative: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans scheduled from July 31 through August 04, 2026 - Issued: July 24, 2026 1947Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 24, 2026 - Issued: July 24, 2026 1816Z
blue ball Administrative: Cancellation: GOES East MDS Meso-2 Scheduled for July 24, 2026 - Issued: July 24, 2026 1811Z
blue ball Administrative: GOES-19 EXIS Readout Noise Calibration (impacts EXIS and SUVI data) scheduled for July 31, 2026 - Issued: July 24, 2026 1658Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 25, 2026 - Issued: July 24, 2026 1644Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 24, 2026 - Issued: July 24, 2026 1508Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 24, 2026 - Issued: July 24, 2026 1122Z
blue ball Administrative: Cancellation: GOES East MDS Meso-2 Scheduled for July 23, 2026 - Issued: July 24, 2026 1121Z
blue ball Administrative: Correction: GOES East MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 24, 2026 0906Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 24, 2026 0858Z
blue ball Product Outage/Anomaly: Correction: GOES-19 Products not delivered to AWIPS - Issued July 23, 2026 2200Z
blue ball Product Outage/Anomaly: Update# 1: GOES-19 Products not delivered to AWIPS - Issued July 23, 2026 2150Z
blue ball Product Outage/Anomaly: Update #7: S-NPP Data Delay - Issued: July 23, 2026 2032Z
blue ball Administrative: Update #2: NCCF Product Upgrade 1.26-4.1 on July 22, 2026 - Issued: July 23, 2026 1900 UTC
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 23, 2026 - Issued: July 23, 2026 1406Z
blue ball Product Outage/Anomaly: SOLAR-1 Planned Outage /MAG X-Axis 5 Rev Calibration- Issued: July 23, 2026 1245Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 23, 2026 - Issued: July 23, 2026 0930Z
blue ball Administrative: Update#2: Enhanced Caution Extended for July 20, 2026 - Issued: July 23, 2026 0914Z
blue ball Product Outage/Anomaly: NPP Rev. 76349 FBK - Issued: July 22, 2026 1959Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 22, 2026 1936Z
blue ball Administrative: Correction: Product Outage/Anomaly: NOAA-20 Data Delay - Issued July 22, 2026 1818Z
blue ball Administrative: GOES-19 EXIS Off-point Calibration (impacts EXIS, SUVI, and CCOR data) scheduled for July 29, 2026 - Issued: July 22, 2026 1749Z
blue ball Administrative: GOES-19 EXIS Cruciform Scan (impacts EXIS, SUVI, and CCOR data) scheduled for July 29, 2026 - Issued: July 22, 2026 1630Z
blue ball Administrative: GOES-19 EXIS Off-point Calibration (impacts EXIS, SUVI, and CCOR data) scheduled for July 29, 2026 - Issued: July 22, 2026 1621Z
blue ball Administrative: Termination of Polarprod (Polar Product) Products on September 30, 2026 UTC - Issued July 22, 2026 1500 UTC
blue ball Administrative: 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 22 , 2026 1407 UTC
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 22, 2026 - Issued: July 2, 2026 1410Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 21, 2026 1355Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for July 22, 2026 - Issued: July 22, 2026 1414Z
blue ball Administrative: Correction: GOES East MDS Meso-2 Scheduled for July 22, 2026 - Issued: July 22, 2026 0932Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for July 22, 2026 - Issued: July 21, 2026 0928Z
blue ball Product Anomaly/Outage: Metop-B GOME instrument anomaly Issued: July 21, 2026 1738Z
blue ball Administrative: GOES-19 EXIS FOV Mapping Calibration (impacts EXIS, SUVI, and CCOR data) scheduled for July 28, 2026 - Issued: July 21, 2026 1444Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for July 21, 2026 - Issued: July 21, 2026 1433Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for July 21, 2026 -
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