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:   May 14, 2026 18:58 UTC

blue ball Administrative: Update #1: GOES-16 Annual Storage Activation and Checkout at 104.7 - Issued: May 14, 2026 1650 UTC
blue ball Administrative: S-NPP VIIRS Lunar Calibration Roll Maneuver Scheduled for May 26, 2026 Issued: May 14, 2026 1608Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 14, 2026 - Issued: May 14, 2026 1206Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 14, 2026 - Issued: May 14, 2026 1012Z
blue ball Product Outage/Anomaly: Update #1 Jason-3 Service-Issued: May 14, 2026 0315Z
blue ball Product Outage/Anomaly: Update #2 Failed JASON3 Support - Issued: May 14, 2026 0240Z
blue ball Product Anomaly/Outage: GOES-18 - Sectorized Cloud and Moisture Band 11 MESO2 products delivered to AWIPS -Issued: May 14, 2026 0147Z
blue ball Product Outage/Anomaly: Jason-3 Service-Issued: May 14, 2026 0125Z
blue ball Product Outage/Anomaly: Update #1 Failed JASON3 Support - Issued: May 14, 2026 0120Z
blue ball Correction: Product Outage/Anomaly: Failed JASON3 Support - Issued: May 14, 2026 0023Z
blue ball Product Outage/Anomaly: Failed JASON3 Support - Issued: May 13, 2026 2218Z
blue ball Administrative: Metop-B HRPT Data Deletion- Issued May 13, 2026 1848Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 13, 2026 - Issued: May 13, 2026 1328Z
blue ball Administrative: Product Distribution and Access (PDA) Planned VMWare Server Patching at the NSOF OPS site, beginning May 13th, 2026 1500Z - Issued: May 13th, 2026 1316Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L2 Sounding Meso1,2 products delivered to PDA Issued May 13 2026 1015Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 13, 2026 - Issued: May 13, 2026 1010Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for May 13, 2026 - Issued: May 13, 2026 0148Z
blue ball Product Outage/Anomaly: Failed JASON3 Support - Issued: May 13, 2026 0019Z
blue ball Product Anomaly/Outage: GOES-18 - All products delivered to PDA - Issued: May 12, 2026 2322Z
blue ball Administrative: MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 12 May 2026 - Issued: 12 May 2026 2203Z
blue ball Product Anomaly/Outage: (Update #1) GOES-18/19 - ABI L2 All Bands products delivered to PDA Beginning May 11, 2026 at 2020Z - Issued May 12, 2026 2109Z
blue ball Administrative: (Updated #4) Suomi National Polar-orbiting Partnership (S-NPP) Testing starting February 25, 2026 - Issued May 12, 1930z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for May 12, 2026 - Issued: May 12, 2026 1902Z
blue ball Administrative: Product Distribution and Access (PDA) Planned Oracle and VMWare Server Patching at the NSOF OPS site, beginning May 12th, 2026 1400Z - Issued: May 12th, 2026 1345Z
blue ball Product Anomaly/Outage: GOES-18/19 - ABI L2 All Bands products delivered to PDA Beginning May 11, 2026 at 2020Z - Issued May 12, 2026 1256z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for May 12, 2026 - Issued: May 12, 2026 1237Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for May 12, 2026 - Issued: May 12, 2026 0909Z
blue ball Product Anomaly/Outage: Update #3- Final Update: GCOM-W1 SMD Data Delay Issued: May 12, 2026 0848Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 12, 2026 - Issued: May 12, 2026 0842Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 12, 2026 - Issued: May 12, 2026 0840Z
blue ball Product Anomaly/Outage: Update #2: GCOM-W1 SMD Data Delay Issued: May 12, 2026 0640Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delivery Delayed- Issued: May 12, 2026 0339Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delivery Delayed- Issued: May 12, 2026 0230Z
blue ball Product Outage/Anomaly: GOES-19 ABI-L2 Input Data- GOES-19 L2 Products Delayed-Issued: May 12, 2026 0140Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 12, 2026 - Issued: May 11, 2026 2056Z
blue ball Administrative: NOAA-20 Drag Make-Up Maneuver (DMU) 018 Scheduled for May 13, 2026 - Issued: May 11, 2026 1801Z
blue ball Product Outage/Anomaly: Update #9: NPP Data Delay - Issued: May 11, 2026 1641Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC Network Upgrades at the NSOF OPS and WCDAS sites, beginning May 11th, 2026 1500Z - Issued: May 11th, 2026 1304Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for May 11, 2026 - Issued: May 11, 2026 1156Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 11, 2026 - Issued: May 11, 2026 1138Z
blue ball Product Outage/Anomaly: Update 1: Jason-3 in Reduced mode - Issued: May 11, 2026 0920Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 11, 2026 - Issued: May 11, 2026 0636Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 11, 2026 - Issued: May 11, 2026 0635Z
blue ball Product Outage/Anomaly: Jason-3 in Reduced mode - Issued: May 10, 2026 2343Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 10, 2026 - Issued: May 10, 2026 0851Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b All Bands products delivered to AWIPS, GRB, PDA -Issued: May 09, 2026 2345Z
blue ball Product Outage/Anomaly: S-NPP SMD Data Delay - Issued: May 9, 2026 2210Z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: May 9, 2026 2045Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 9, 2026 - Issued: May 9, 2026 1009Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 9, 2026 - Issued: May 9, 2026 1001Z
blue ball Product Outage/Anomaly: Update #8: NPP Data Delay Issued: May 8, 2026 1938Z
blue ball Administrative: GOES-16 Annual Storage Activation and Checkout at 104.7 W - Issued: May 8, 2026 1915 UTC
blue ball Product Anomaly/Outage: SOLAR-1 - All Products delivered to SWPC -Issued: May 08, 2026 1712Z
blue ball Administrative: FNMOC Power Maintenance Scheduled for May 12, 2026 - Issued: May 8, 2026 1510Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for May 8, 2026 - Issued: May 8, 2026 1155Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 8, 2026 - Issued: May 8, 2026 1127Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 8, 2026 - Issued: May 8, 2026 1120Z
blue ball Product Outage/Anomaly: Metop-C Snowfall Rate(SFR) Outage Issued: May 7, 2026 1915Z
blue ball Administrative Unplanned Metop-B Collision Avoidance In-Plane Maneuver 5/6/2026 Issued May 7, 2026 1830Z
blue ball Administrative: ( Update#1) JPSS Transition of Operations from C-String to A-String on May7, 2026 - Issued: May 7, 2026 1717Z
blue ball Product Outage/Anomaly: (Update#1) NOAA-21 Data Delay - Issued: May 7, 2026 1710z
blue ball Product Outage/Anomaly: NOAA-21 Data Delay - Issued: May 7, 2026 1524Z
blue ball Himawari-9 Weekly Special Satellite Operations Schedule, Issued: May 7, 2026 1400 UTC
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 7, 2026 - Issued: May 7, 2026 1345Z
blue ball Administrative: Update #1: Enhanced Caution Declared for May 6, 2026 1200Z Issued: May 7, 2026 1202Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: May 7, 2026 0329Z
blue ball Product Outage/Anomaly: Metop-B GDS FRAC Data Loss - Issued: May 06, 2026 2053Z
blue ball Administrative: Update #6: Product Distribution and Access (PDA) Planned Annual PDA Continuity of Operations (COOP) Exercise, beginning May 04, 2026 1230Z - Issued: May 06, 2026 1742Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems on May 7, 2026. Issued: May 6, 2026 1611Z
blue ball Administrative: Update #5: Product Distribution and Access (PDA) Planned Annual PDA Continuity of Operations (COOP) Exercise, beginning May 04, 2026 1230Z - Issued: May 06, 2026 1607Z
blue ball Product Outage/Anomaly: EUMETSAT : AHRPT Service - Metop-B,GDS-Metop-B,GDS-Multi-Metop,RDS-EARS,SAF Service - Issued: May 06, 2026 1452Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 6, 2026 - Issued: May 6, 2026 1210Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 6, 2026 - Issued: May 6, 2026 1205Z
blue ball Product Outage/Anomaly: Update # 1 : Metop-B GDS FRAC Data Loss - Issued: May 6, 2026 1005Z
blue ball Administrative: ssd.noaa.gov Website to be Sunset for June 23, 2026 1600Z- Issued: May 5, 2026 1800Z
blue ball Product Outage/Anomaly: Metop-B GDS FRAC Data Loss - Issued: May 5, 2026 2048Z
blue ball Administrative: noaasis.noaa.gov Website to be Sunset Scheduled for June 23, 2026 1600Z- Issued: May 5, 2026 1830Z
blue ball Product Outage/Anomaly: EUMETSAT: Jason-3 Service - Issued: May 5, 2026 1740Z
blue ball Administrative: Update #4: Product Distribution and Access (PDA) Planned Annual PDA Continuity of Operations (COOP) Exercise, beginning May 04, 2026 1230Z - Issued: May 05, 2026 1651Z
blue ball Product Outage/Delay: Jason-3 in REDUCED mode - Issued: May 5, 2026 1538Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for May 5, 2026 - Issued: May 5, 2026 1426Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: May 5, 2026 0138Z
blue ball Administrative: Correction GOES-West MDS Meso 2 - Scheduled for May 04, 2026 - Issued: May 04, 2026 1923Z
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for May 11, 2026, Issued: May 04, 2026 1920Z
blue ball Administrative: GOES-West MDS Meso 2 - Scheduled for May 04, 2026 - Issued: May 04, 2026 1913Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for May 11, 2026, Issued: May 04, 2026 1856Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 4, 2026 - Issued: May 4, 2026 1742Z
blue ball Administrative: Update #3: Product Distribution and Access (PDA) Planned Annual PDA Continuity of Operations (COOP) Exercise, beginning May 04, 2026 1230Z - Issued: May 04, 2026 1556Z
blue ball Product Anomaly/Outage: NOAA 20 Data Delay - Issued: May 04, 2026 1553Z
blue ball Product Anomaly/Correction Outage: N21 Data Delay - Issued: May 04, 2026 1517Z
blue ball Product Anomaly/Outage: N21 Data Delay - Issued: May 04, 2026 1511Z
blue ball Administrative: Update #2: Product Distribution and Access (PDA) Planned Annual PDA Continuity of Operations (COOP) Exercise, beginning May 04, 2026 1230Z - Issued: May 04, 2026 1248Z
blue ball roduct Anomaly/Outage: Update #1 - GCOM-W1 SMD Data Delivery Delayed- Issued: May 04, 2026 0449Z
blue ball Product Anomaly/Outage: Correction - GCOM-W1 SMD Data Delivery Delayed- Issued: May 04, 2026 0252Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delivery Delayed- Issued: May 04, 2026 0242Z
blue ball Product Outage/Anomaly: NOAA-20 SMD Data Delay - Issued: May 5, 2026 0106Z
blue ball Product Anomaly/Outage: GOES-18 - ABI L1b All Bands products delivered to AWIPS, GRB, PDA -Issued: May 03, 2026 1930Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 3, 2026 - Issued: May 3, 2026 1428Z
blue ball Administrative:Correction: GOES East MDS Meso-2 Scheduled for May 3, 2026 - Issued: May 3, 2026 1215Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for May 3, 2026 - Issued: May 3, 2026 1209Z
blue ball Product Outage/Anomaly: JPSS NOAA-21 SMD Data Delay - Issued: May 02, 2026 2156Z
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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.