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SNPP anomaly
Posted: Wed Jul 24, 2024 9:59 am
by kathys
Product Outage/Anomaly:SNPP satellite - Issued: July 24, 2024 0850Z
The SNPP satellite instruments are now in Safe Hold. There is no science data available after an anomaly occurred on July 24, 2024, at 06:30 UTC. JPSS engineers are investigating.
Re: SNPP anomaly
Posted: Wed Jul 24, 2024 3:53 pm
by kathys
Update #3: SNPP Anomaly - Issued: July 24, 2024 20:50 UTC
Update #3: The root cause for this data outage is a Command Data Processor (CDP) reset on the S-NPP Spacecraft that occurred at 05:28 UTC on July 24, 2024. Engineering has started spacecraft recovery activities. The S-NPP spacecraft is back to nominal mission point as of 18:22 UTC on July 24, 2024. All science data remains unavailable and will not be recoverable until further notice; however, all instruments are in a safe state.
Direct Broadcast (DB) High Rate Data (HRD) is also disabled.
The NOAA-21 and NOAA-20 satellites will continue to provide JPSS science data needs as the primary and secondary satellites, respectively.
Re: SNPP anomaly
Posted: Tue Jul 30, 2024 3:40 pm
by kathys
Update #5 Issued July 30, 2024 20:23 UTC: The S-NPP VIIRS instrument was placed in operational mode at 15:20 UTC, July 29, 2024. The CrIS instrument was also placed in operational mode at 20:22 UTC, July 29, 2024.
As of July 30, 2024, all S-NPP ATMS, VIIRS, CrIS, OMPS Limb Profiler (LP) products are approved for operational use. High Rate Data (HRD) Direct Broadcast was enabled at 19:58 UTC, July 30, 2024. Direct Broadcast users can use the equivalent NPP ATMS, VIIRS, CrIS, CERES, and OMPS LP Community Satellite Processing Package (CSPP) LEO products for operations.
The OMPS Nadir Mapper (NM) is expected to be approved later this week following the ingest of OMPS SDR Look Up Tables (LUTs) into operations. The OMPS Nadir Profiler (NP) is expected to be approved next week following the ingest of additional OMPS SDR LUTs into operations. While all OMPS products are available for Direct Broadcast (DB) users, please take caution that the OMPS NP and NM products are not yet approved for operational use. An update notice will be posted once these OMPS products are ready for operational use.