STAR Joint Polar Satellite System Algorithms & Data Products website National Oceanographic & Atmospheric Administration website NOAA Center for Satellite Applications and Research website

OSPO Satellite Alert Messages for JPSS Satellites - 2026

Messages listed on this page are a subset of those shown at OSPO Satellite Alert Messages. This subset shows only messages that reference JPSS satellites. Underlying data updated hourly.

Events / AnomaliesDate
Product Outage/Anomaly: Update #1: NOAA-21 Data Delay - Issued: March 18, 2026 1513Z1773846780
Product Outage/Anomaly: NOAA-21 Data Delay - Issued: March 18, 2026 1346Z1773841560
Product Outage/Anomaly: Update # 1: S-NPP Data Outage - Issued: March 16, 2026 2126Z1773696360
Product Anomaly/Outage: Correction: Noisy data for NPP Rev 74533 FBK Issued March 16, 2026 2028Z1773692880
Product Anomaly/Outage: Noisy data for NPP Rev 74533 FBK Issued March 16, 2026 2004Z1773691440
Product Anomaly/Outage: GCOM-W1 SMD Data Loss - Issued: March 11, 2026 0339Z1773200340
Product Outage/Anomaly: S-NPP Data Outage - Issued: March 9, 2026 1830Z1773081000
Product Anomaly/Outage: NPP Missing Data - Issued: March 08, 2026 1716Z1772990160
Product Anomaly/Outage: Corrections: NPP SMD Data Delay - Issued March 6, 2026 2023Z1772828580
Product Anomaly/Outage: Missing data for NPP - Issued March 6, 2026 2006Z1772827560
Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: March 3, 2026 0407Z1772510820
Product Outage/Anomaly: NPP SMD Data Delay - Issued: March 1, 2026 1805Z1772388300
Product Outage/Anomaly: JPSS NOAA-20 SMD Data Delay - February 28, 2026 2238Z1772318280
Product Outage/Anomaly: JPSS NOAA-21 SMD Data Delay Revised Times - February 28, 2026 2204Z1772316240
Correction: Product Outage/Anomaly: JPSS NOAA-20 SMD Data Delay - February 28, 2026 2155Z1772315700
Product Outage/Anomaly: JPSS J01 SMD Data Delay - February 28, 2026 2143Z1772314980
Product Outage/Anomaly: Update #2 NOAA 20 SMD Data Delay - Issued: February 28, 2026 0713Z1772262780
Product Outage/Anomaly: Update #1 NOAA 20 SMD Data Delay - Issued: February 28, 2026 0321Z1772248860
Correction: Product Outage/Anomaly: NOAA 20 SMD Data Delay - Issued: February 28, 2026 0137Z1772242620
Product Outage/Anomaly: JPSS J01 SMD Data Delay - Issued: February 28, 2026 0130Z1772242200
Product Anomaly/Outage: (UPDATE #1) GCOM-W1 SMD Data Delay - Issued: February 18, 2026 1745z1771436700
Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: February 18, 2026 1615z1771431300
Product Outage/Anomaly: JPSS N20 SMD Delay - Issued: February 18, 2026 0514Z1771391640
Product Outage/Anomaly: : GCOM-W1 IAM Maneuver on February 18, 2026 at 1248Z - Issued February 17, 1308Z1771333680
Product Anomaly/Outage: Update #1: GCOM-W1 SMD Data Delay - Issued: February 15, 2026 0248Z1771123680
Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: February 15, 2026 0060Z1771117200
Product Outage/Anomaly: Update #1: NPP SMD Data Delay - Issued: February 10, 2026 1350Z1770731400
Product Outage/Anomaly: NPP SMD Data Delay - Issued: February 10, 2026 1042Z1770720120
Product Outage/Anomaly: NOAA 21 Data Delay - Issued: February 09, 2026 1424Z1770647040
Product Anomaly/Outage: Update #1: GCOM SMD Data Delay - Issued: February 7, 2026 0305Z1770433500
Product Anomaly/Outage: GCOM SMD Data Delay - Issued: February 7, 2026 0130Z1770427800
Product Outage/Anomaly: Update # 1: GCOM-W1 Data Delay. - Issued: February 05, 2026 0932Z1770283920
Product Outage/Anomaly: GCOM-W1 Data Delay. - Issued: February 05, 2026 0352Z1770263520
Product Outage/Anomaly: GCOM-W1 Data Delay. - Issued: February 05 , 2026 0255Z1770260100
Product Outage/Anomaly: GCOM-W1 Data Delay. - Issued: February 03, 2026 0401Z1770091260
Product Outage/Anomaly: GCOM-W1 Data Delay. - Issued: January 28, 2026 0737Z1769585820
Product Outage/Anomaly: S-NPP OMPS Delayed-EV_FF CBM Activities Scheduled for February 09, 2026 Issued January 27, 2026 1908Z1769540880
Product Outage/Anomaly: Update #1: NOAA 21 Missing data delay Issued January 26, 2026, 1921z1769455260
Product Outage/Anomaly: Update: NPP SMD Data Delay- Issued January 22, 2026 2225Z1769120700
Product Outage/Anomaly: NOAA 21 Missing Data Delay - Issued January 22, 2026 2222Z1769120520
Product Outage/Anomaly: Correction: NOAA-21 SMD Data Delay - Issued January 22, 2026 2206Z1769119560
Product Outage/Anomaly: NOAA 21 Star Tracker Photo Mode Scheduled for January 22, 2026 - Issued: January 22, 2026 2155Z1769118900
Product Outage/Anomaly: NOAA-21 SMD Data Delay - Issued January 22, 2026 2139Z1769117940
Product Outage/Anomaly:NOAA-21 VIIRS Non-Roll Lunar Calibration Scheduled for January 28, 2026 - Issued: January 22, 2026 1715Z1769102100
Product Outage/Anomaly: (Update #1) NOAA-21 Data Delay - Issued January 21, 2026 2215Z1769033700
Product Outage/Anomaly: NOAA-21 Data Delay - Issued January 21, 2026 2146Z1769031960
Product Outage/Anomaly: GCOM-W1 Data Delay. - Issued: January 20, 2026 2209Z1768946940
Product Outage/Anomaly: GCOM-W1 Data Delay. - Issued: January 20, 2026 2000Z1768939200
Product Outage/Anomaly: Update #1: NOAA-21 Data Delay - Issued: January 20, 2026 0214Z1768875240
Product Outage/Anomaly: NOAA-21 Data Delay - Issued: January 20, 2026 0103Z1768870980
Correction: Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: January 18, 2026 0739Z1768721940
Product Anomaly/Outage: Update #1: GCOM-W1 SMD Data Delay - Issued: January 18, 2026 0227Z1768703220
Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: January 18, 2026 0214Z1768702440
Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: January 18, 2026 0205Z1768701900
Product Anomaly/Outage: GCOM-W1 SMD Data Delay - Issued: January 11, 2026 1034Z1768127640
Product Outage/Anomaly: NPP SMD Data Delay - Issued January 06, 2026 0817Z1767687420
AdministrativeDate
Administrative: S-NPP Drag Make-Up Maneuver (DMU) 046 Scheduled for March 18, 2026- Issued: March 17, 2026 1305Z1773752700
Administrative: NOAA-21 VIIRS Non-Roll Lunar Calibration Scheduled for March 28, 2026 Issued March 10, 2026 1903Z1773169380
Administrative: NOAA-20 VIIRS Non-Roll Lunar Calibration Scheduled for March 28, 2026 Issued March 10, 2026 1857Z1773169020
Administrative: S-NPP VIIRS Non-Roll Lunar Calibration Scheduled for March 28, 2026 Issued March 10, 2026 1851Z1773168660
Administrative Updated #2 to Suomi National Polar-orbiting Partnership (S-NPP) Testing started February 25, 2026 - Issued March 04, 2026 2144Z1772660640
Administrative: Update #1: Suomi National Polar-orbiting Partnership (S-NPP) Testing starting February 25, 2026 - Issued February 23, 2026 1646Z1771512600
Administrative: Update #5 - NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193 postponed to April 9, 2026 - Issued February 18, 2026 1800 UTC1771437600
Administrative: S-NPP CrIS End of Operational Use, Issued: February 11, 2026 1800 UTC1770832800
Administrative: GCOM-W1 DMU Maneuver on February 11, 2026 at 07:13:30 (UTC) Issued: February 10, 2026 1501Z1770735660
Administrative: Correction: ESPC Notice: S-NPP OMPS Delayed-EV_FF CBM Activities Scheduled for February 09, 2026 Issued January 27, 2026 2012 UTC1769544720
Administrative: NOAA-20 Drag Make-Up Maneuver (DMU) 017 Scheduled for January 28, 2026 Issued January 26, 2026, 1938Z1769456280
Administrative:Correction:NOAA-20 VIIRS Non-Roll Lunar Calibration Scheduled for January 28, 2026 - Issued: January 22, 2026 1744Z1769103840
Administrative: S-NPP VIIRS Non-Roll Lunar Calibration Scheduled for January 29, 2026- Issued: January 22, 2026 1727Z1769102820
Administrative:NOAA-21 VIIRS Non-Roll Lunar Calibration Scheduled for January 28, 2026 - Issued: January 22, 2026 1724Z1769102640
Correction:Administrative:NOAA-21 VIIRS Non-Roll Lunar Calibration Scheduled for January 28, 2026 - Issued: January 22, 2026 1720Z1769102400
Administrative: Update #4 - NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193 postponed to no earlier than March 5, 2026 - Issued January 15, 2026 1940 UTC1768506000