Update #4: The S-NPP spacecraft entered a non-nominal state at ~14:50 UTC on July 10, 2026. 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 01:30 UTC on July 11, 2026.

NOAA-21 remains the primary JPSS series spacecraft, and Key Performance Parameters from its instruments continue to be delivered. S-NPP is a Tertiary satellite with no performance and latency requirements.

Update #3: JPSS did not receive SMD Rev. 76180 as well. Data recovery will be attempted during the next successful support.

Update #2: JPSS did not receive SMD Rev. 76179 as well. Data recovery will be attempted during the next successful support.

Update #1: JPSS did not receive SMD Rev. 76178 as well. Data recovery will be attempted during the next successful support.

Topic: S-NPP Data Delay

Date/Time Issued: July 11, 2026 0330z

Product(s) or Data Impacted: S-NPP Data Products

Date/Time of Initial Impact: July 10, 2026 1628Z

Date/Time of Expected End: TBD

Length of Outage: TBD

Details/Specifics: Stored Mission Data (SMD) for REV 76177 from FCDA was not received. On-site GSE is currently investigating the situation. Data recovery will be attempted during next support.

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