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:   Oct 07, 2025 20:19 UTC

blue ball Administrative: GOES-18 and GOES-19 ABI Lunar Trending Calibration Scans scheduled from October 4 to 7, 2025 - Issued: September 26, 2025 1853Z
blue ball Administrative: GOES-19 ABI Solar Calibration Scan scheduled for October 13, 2025 - Issued: October 07, 2025 2011 UTC
blue ball Administrative: GOES East MDS Meso-2 Scheduled for October 07, 2025 - Issued: October 07, 2025 1959Z
blue ball Administrative: Update #1 - NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193 postponed to no earlier than November 25, 2025 - Issued October 7, 2025 1915 UTC
blue ball Administrative: GOES West MDS Meso-2 Scheduled for October 07, 2025 - Issued: October 07, 2025 1549Z
blue ball Product Outage/Anomaly: Update #1: JPSS NPP SMD Data Delay - Issued: October 07, 2025 1406Z
blue ball Product Outage/Anomaly: JPSS NPP SMD Data Delay - Issued: October 07, 2025 1145Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for October 07, 2025 - Issued: October 07, 2025 0939Z
blue ball Product Anomaly/Outage: Update: GCOM-W1 SMD Data Delay - Issued: October 7, 2025 0645Z
blue ball Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: October 7, 2025 0533Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for October 07 2025 - Issued: October 06, 2025 2255Z
blue ball Product Outage/Anomaly: Alert Message 2025-10-06 20:40:00 :: Sentinel-3A Service & Sentinel-3B Service - Issued: October 6, 2025 2051Z
blue ball Product Outage/Anomaly: Update #1: NPP Data Delay- Issued: October 06, 2025 2018Z
blue ball Administrative: GOES-18 SUVI flat field calibrations scheduled for October 13 - 18, 2025 - Issued: October 06, 2025 1731 UTC
blue ball Administrative: GOES-18 ABI Solar Calibration Scan scheduled for October 13, 2025, Issued: October 06, 2025 1726 UTC
blue ball Product Outage/Anomaly: NPP Data Delay- Issued: October 06, 2025 1645Z
blue ball Product Outage/Anomaly: Metop-1 HRPT Data Loss - Issued: October 6, 2025 1623Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for October 06, 2025 - Issued: October 06, 2025 1612Z
blue ball Product Outage/Anomaly: Metop-1 HRPT Data Loss - Issued: October 6, 2025 1528Z
blue ball =?UTF-8?Q?Product_Outage=2FAnomaly=3A_Alert_Message_2025=2D10=2D06_13=3A?= =?UTF-8?Q?02=3A45_0=C2=B0_MSG_Service_=2D_Issued=3A_October_6=2C_2025_1315Z?=
blue ball Administrative: GOES East MDS Meso-1 Scheduled for October 06, 2025 - Issued: October 06, 2025 1159Z
blue ball Product Anomaly/Outage: Update #1 GOES-18 - All Products products delivered to AWIPS, GRB, PDA - Issued: October 06, 2025 1157Z
blue ball Product Anomaly/Outage: GOES-18 - All Products products delivered to AWIPS, GRB, PDA - Issued: Oct 06, 2025 1123Z
blue ball Product Outage/Anomaly: Update: NOAA-20 Data Delay - Issued: October 6, 2025 0035Z
blue ball Correction: Product Outage/Anomaly: NOAA-20 Data Delay - Issued: October 6, 2025 0030Z
blue ball Product Outage/Anomaly: NOAA-20 Data Delay - Issued: October 6, 2025 0025Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for October 05 2025 - Issued: October 05, 2025 1832Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for October 05 2025 - Issued: October 05, 2025 1612Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for October 05, 2025 - Issued: October 05, 2025 1542Z
blue ball Product Outage/Anomaly: Alert Message 2025-10-05 12:22:44 :: Sentinel-3A Service, Sentinel- 3B Service-Issued: October 05, 2025 1237Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for October 05, 2025 - Issued: October 05, 2025 1052Z
blue ball Administrative: (CORRECTION) GOES West MDS Meso-1 Scheduled for October 04 2025 - Issued: October 04, 2025 1556Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for October 04, 2025 - Issued: October 04, 2025 1549Z
blue ball Administrative: (Correction) GOES East MDS Meso-1 Scheduled for October 04, 2025 - Issued: October 04, 2025 1358Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for October 04, 2025 - Issued: October 04, 2025 1355Z
blue ball Product Outage/Anomaly: Update #2: NPP Data Delay- Issued: October 04, 2025 0118Z
blue ball Product Outage/Anomaly: NCCF WSF-M Data Delay Due - Issued: October 3rd, 2025 2222Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for October 03, 2025 - Issued: October 03, 2025 1644Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for October 03 2025 - Issued: October 03, 2025 1610Z
blue ball Product Outage/Anomaly: Update #1: NPP Data Delay- Issued: October 03, 2025 1602Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for October 03 2025 - Issued: October 02, 2025 1453Z
blue ball Product Outage/Anomaly: NPP Data Delay- Issued: October 03, 2025 1432Z
blue ball Administrative: NOAA-21 Drag Make-Up Maneuver (DMU) 009 scheduled for November 5, 2025 - Issued October 2,2025 16:52z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for October 2 2025 - Issued: October 2, 2025 1605Z
blue ball Administrative: (Update #1) Product Distribution and Access (PDA) Planned ESPC CBU Network Line Card Replacement at the CBU Backup site, beginning October 2nd, 1200Z Issued October 2, 2025 1158Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for October 1, 2025 - Issued: October 1, 2025 2152Z
blue ball Administrative: Cancelled GOES East MDS Meso-1 Scheduled for October 1, 2025 - Issued: October 1, 2025 2148Z
blue ball Product Outage/Anomaly JPSS NOAA-21 VIIRS Data-Issued: October 1st, 2025 2050Z
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC CBU Network Line Card Replacement at the CBU Backup site, beginning October 2nd, 1200Z Issued October 1st, 2025 1754Z
blue ball Product Outage/Anomaly: Alert Message 2025-10-01 13:10:04 :: Sentinel-3A Service, Sentinel- 3B Service-Issued: October 1, 2025 1714Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for October 1 2025 - Issued: October 1, 2025 1616Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for October 1, 2025 - Issued: October 1, 2025 0716Z
blue ball Administrative: Metop-B Out of Plane Maneuver - Issued September 30, 2025 0343Z
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 AWIPS, GRB, PDA - Issued: Sep 30, 2025 1446Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 30, 2025 - Issued: September 30, 2025 1245Z
blue ball Product Outage/Anomaly: Update #2: Metop-B Antarctic Data Acquisition - Issued: August 30, 2025 0903Z
blue ball Product Outage/Anomaly: Update: Metop-B Antarctic Data Acquisition - Issued: August 30, 2025 0830Z
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 AWIPS, GRB, PDA - Issued: Sep 30, 2025 0150Z
blue ball Administrative: Update #1: GOES East MDS Meso-1 Scheduled for October 1, 2025 - Issued: September 29, 2025 2223Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for September 29, 2025 - Issued: September 29, 2025 2117Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 29, 2025 - Issued: September 29, 2025 2116Z
blue ball Product Outage/Anomaly: Update #1 - DMSP SSMI/S Outage - Issued: September 29, 2025 1919Z
blue ball Administrative: Planned Maintenance Impacting ESPC Legacy Production Systems on September 30, 2025 - Issued: September 29, 2025 1819Z Inbox
blue ball Administrative: Product Distribution and Access (PDA) Planned ESPC OPS MS Security DC update at the NSOF OPS site, beginning September 29th, 1400Z Issued September 29th, 2025 1253Z
blue ball Product Outage/Anomaly: Alert Message 2025-09-29 09:21:33 :: Sentinel-3A Service,Sentinel-3B Service- Issued September 29, 2025 0932Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 29, 2025 - Issued: September 29, 2025 0711Z
blue ball Administrative: Update #1 NWS IT enterprise operating with Enhanced Caution for September 27, 2025 - Issued: September 29, 2025 0004Z
blue ball Administrative: Correction: GOES East MDS Meso-2 Scheduled for September 29, 2025 - Issued: September 28, 2025 2302Z
blue ball Administrative: Correction: GOES East MDS Meso-1 Scheduled for September 29, 2025 - Issued: September 28, 2025 2258Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 29, 2025 - Issued: September 28, 2025 2236Z
blue ball Administrative: Update # 1: GOES East MDS Meso-2 Scheduled for September 28, 2025 - Issued: September 28, 2025 2231Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 29, 2025 - Issued: September 28, 2025 2224Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 28, 2025 - Issued: September 28, 20250948Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 28, 2025 - Issued: September 28, 2025 0254Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for September 28, 2025 - Issued: September 28, 2025 0241Z
blue ball Administrative: Correction: NWS IT enterprise operating with Enhanced Caution for September 27, 2025 - Issued: September 27, 2025 1533Z
blue ball Administrative: NWS IT enterprise operating with Enhanced Caution for September 27, 2025 - Issued: September 27, 2025 1528Z
blue ball Administrative: ESPC Notice: Mandatory Network Maintenance may affect JPSS Mission Operations - Issued: September 27, 2025 1426Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for September 27, 2025 - Issued: September 27, 2025 1416Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 27, 2025 - Issued: September 27, 2025 1100Z
blue ball Administrative: UPDATE: #1 GOES East MDS Meso-1 Scheduled for September 26, 2025 - Issued: September 27, 2025 0619Z
blue ball Product Outage/Anomaly: Update#1 NPP SMD Data Delay - Issued: September 27, 2025 0415Z
blue ball Product Outage/Anomaly: NPP SMD Data Delay - Issued: September 27, 2025 0050Z
blue ball Administrative: GOES West MDS Meso-2 Scheduled for September 26 2025 - Issued: September 26 2025 2327Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 26 2025 - Issued: September 26 2025 2324Z
blue ball Product Outage/Anomaly: Update: Alert Message 2025-09-26 16:26:53 :: Sentinel-3B Service - Issued: September 26, 2025 1635Z
blue ball Product Outage/Anomaly: DMSP SSMI/S Outage - Issued: September 26, 2025 1500Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 26 2025 - Issued: September 26 2025 1425Z
blue ball Product Anomaly/Outage: Update #2 GOES-19 - ADP, AOD, CCL_TF, CCL_B, CPS, ACHA, CTP, ACHT, LSA, LST products delivered to PDA - Issued: September 26, 2025 1237Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for September 26, 2025 - Issued: September 26, 2025 1230Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 26, 2025 - Issued: September 26, 2025 1123Z
blue ball Administrative: GOES West MDS Meso-1 Scheduled for September 26 2025 - Issued: September 26 2025 1048Z
blue ball Product Outage/Anomaly: Alert Message 2025-09-26 10:17:09 :: Sentinel-3B Service - Issued: September 26, 2025 1030Z
blue ball Administrative: GOES East MDS Meso-2 Scheduled for September 26, 2025 - Issued: September 26, 2025 0327Z
blue ball Administrative: NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193 on October 25, 2025 - Issued September 25, 2025 2020 UTC
blue ball Administrative: JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx15 Transition to Operations on November 25, 2025 - Issued September 25, 2025 2000 UTC
blue ball Product Anomaly/Outage: Update #3: GCOM-W1 SMD Data Delay Issued: September 25, 2025 1443Z
blue ball Administrative: GOES East MDS Meso-1 Scheduled for September 25, 2025
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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.