Correction to Subject line update # 10 not update # 9

Update #10: The OMPS Nadir Profiler (NP) SDR and EDR (V8Pro NetCDF & BUFR files) products are approved for operations and PDA OPS subscriptions for these products were enabled at 15:30Z, May 15, 2026. Direct Broadcast (DB) users can use the equivalent S-NPP OMPS Nadir Profiler (NP) Community Satellite Processing Package (CSPP) LEO products for operations. 


Update #9: The OMPS Limb Profile (LP) SDR (Level 1b NetCDF files) and EDR (V2Limb Level 2 Ozone NetCDF & BUFR files) products are approved for operations and PDA OPS subscriptions for these products were enabled at 16:30 UTC, May 11, 2026. Direct Broadcast (DB) users can use the equivalent S-NPP OMPS Limb Profiler (LP) Community Satellite Processing Package (CSPP) LEO products for operations.  


S-NPP OMPS Nadir Profiler (NP) products are expected to be approved later this week.


Update #8: The S-NPP OMPS Nadir Mapper (NM) SDRs and EDRs (Total Column Ozone V8TOz NetCDF & BUFR & V8TOS NetCDF files) products are approved for operations and PDA OPS subscriptions for these products were enabled at 19:30 UTC, May 8, 2026. Direct Broadcast (DB) users can use the equivalent S-NPP OMPS Nadir Mapper (NM) Community Satellite Processing Package (CSPP) LEO products for operations. 


S-NPP OMPS Nadir Profiler (NP) and OMPS Limb Profiler (LP) products are expected to be approved next week.


Update #7: As of Friday, May 1, 2026, all S-NPP ATMS and VIIRS science products are approved for operational use and PDA OPS subscriptions for these products were enabled at 18:30 UTC, May 1, 2026.  

The OMPS Nadir Mapper (NM) is expected to be approved next week following the ingest of OMPS SDR Look Up Tables (LUTs) into operations. The OMPS Nadir Profiler (NP) is expected to be approved the following week following the ingest of additional OMPS SDR LUTs into operations. Cal/Val teams are continuing to perform their analysis on OMPS Limb Profiler (LP) products and expect to deliver new tables late next week.

Correction to previous updates, the High Rate Data (HRD) was disabled during the recovery activities earlier this week and has now been enabled at 21:45 UTC, May 1, 2026. Direct Broadcast (DB) users can use the equivalent S-NPP ATMS and VIIRS Community Satellite Processing Package (CSPP) LEO products for operations. 

While all OMPS products are available for Direct Broadcast (DB) users, please take caution that all OMPS products are not yet approved for operational use. An update notice will be posted once these OMPS products are ready for operational use. 


Update #6: The S-NPP VIIRS instrument was placed in operational mode on April 30, 2026 at 13:33:23 UTC.  As stated in the previous update, OSPO will issue an ESPC Notification as each of the S-NPP products are approved for operational use. While science data remains available through the High Rate Data (HRD), all Direct Broadcast (DB) users should be aware that this science data is not approved for operational use.


Update #5: Engineering continued spacecraft recovery efforts on S-NPP today April 29, 2026. The S-NPP spacecraft is back to nominal mission point as of 15:37:35Z on April 29, 2026. ATMS was placed in operational mode on April 29, 2026 at 17:18:22Z. CERES was placed in operational mode on April 29, 2026 at 17:20:58Z. OMPS was placed in operational mode on April 29, 2026 at 18:59:02Z. VIIRS recovery is scheduled to commence on the next business day. 


Cal/Val teams are focusing their analysis on observed data following this timeline. This science data will be available through the NCCF UAT (User Acceptance Testing) environment and CLASS through which the Cal/Val teams and PALs can perform their full analysis. S-NPP OMPS, CERES, and ATMS product subscriptions on PDA OPS will be enabled as each product is cleared for operations. OSPO will issue an ESPC Notification prior to distributing the product on PDA OPS. While science data remains available through the High Rate Data (HRD), all Direct Broadcast (DB) users should be aware that this science data is not approved for operational use. 


Update #4 - S-NPP spacecraft entered a non-nominal state at 00:33 UTC on April 28, 2026. Engineering has started spacecraft recovery activities. The S-NPP spacecraft remains in sun point. All science data remains unavailable and will not be recoverable until further notice; however, all instruments are in a safe state. PDA OPS requests for all S-NPP Science products were disabled at 15:04 UTC on April 28, 2026. NOAA-21 and NOAA-20 remain the primary JPSS series spacecraft, and Key Performance Parameters from their instruments continue to be delivered. 
S-NPP is a Tertiary satellite with no performance and latency requirements.

Update #3 - S-NPP data is still unavailable and Engineering is investigating

Update #2 - S-NPP data will not be available until further notice. Engineering will continue troubleshooting at the next business day.

Update #1:  NPP Stored Mission Data (SMD) for REV 75134 was not received. Engineering investigating. 

Topic: NPP Data Delay

Date/Time Issued: May 15, 2026 1608Z
Product(s) or Data Impacted: NPP Data Products


Date/Time of Initial Impact: April 28, 2026 0230Z  


Date/Time of Expected End:  May 15, 2026 1530Z

Length of Outage:   17 days and 13 hours  

Details/Specifics: NPP Stored Mission Data (SMD) for REV 75133 was not received, GSE investigating. Data recovery will be attempted on the next available pass.


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