Update #2: The time of impact has been updated accordingly. There were no CrIS-SCIENCE-SDRs produced for NPP for this time period.

Update #1: During rev. 46875 the CRIS instrument commanded back to normal mode. CRIS data is now normal.

Topic: NPP CRIS in SSM safe mode

Date/Time Issued: November 13, 2020 1522Z

Product(s) or Data Impacted: Some products using CRIS RDRs

Date/Time of Initial Impact: November 13, 2020 0443Z (03.37Z)

Date/Time of Expected End: November 13, 2020 08:08z

Length of Outage: 4 hours 31 minutes

Details/Specifics of Change: During NPP rev. 46873 CRIS instrument went into partial safe hold mode. IDPS did receive the RDRs, but the RDRs are missing 13% data per the DMS inventory GUI. Data can’t be played down again due to CRIS being in partial safe mode. Engineering has been notified.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov<mailto:ESPCOperations@noaa.gov> at 301-817-3880
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