Topic: NOAA-21 Primary Satellite in Constellation Declaration
Date/Time Issued: March 12, 2024 14:30 UTC
Product(s) or Data Impacted: N/A
Date/Time of Initial Impact: March 20, 2024 12:00 UTC
Date/Time of Expected End: N/A
Length of Outage: N/A
Details/Specifics of Change:
The majority of NOAA-21 products have reached at least provisional maturity or better and NOAA-21 will now be designated as the primary afternoon satellite. Starting on March 20, 2024 at 1200 UTC assignments are now:
● Primary: NOAA-21
● Secondary: NOAA-20
● Tertiary: S-NPP
After implementation of this NOAA-21 designation change, operational products for NOAA-20 and S-NPP will still remain available for user access. The Tertiary designation for S-NPP only means any non-nominal issue or ground resource constraint will be worked or addressed under a best-effort basis during normal business hours as priorities permit, unless there is a satellite or instrument health and safety issue. Additional notifications to the community will be sent regarding NOAA-21 operational product availability as those product provisional milestones occur. Please reference the JPSS-2/NOAA-21 Product Operations Plan (POP) for details at: https://noaasis.noaa.gov/pdf/J-2%20Product%20Ops%20Plan_V1.1_FINAL_092322.pdf.
Additional ESPC notifications may provide further details and updates concerning the promotion of NOAA-21 to primary.
Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880, and User Services at SPSD.Userservices@noaa.gov
Web Site(s) for applicable information: https://www.nesdis.noaa.gov/our-satellites/currently-flying/joint-polar-satellite-system
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