Topic:  JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx 3 Transition to Operations


Date/Time Issued:  June 23, 2021 2000 UTC


Product(s) or Data Impacted: NOAA-20 OMPS Nadir Profiler data


Date/Time of Initial Impact: July 28, 2021 TBD UTC

Date/Time of Expected End:  July 28, 2021 TBD UTC

Length of Outage:  TBD

Details/Specifics of Change: 

The next Interface Data Processing Segment (IDPS) Block 2.3 maintenance release Mx3 (IDPS Mx I2.3.03.00) is scheduled to transition to operations on July 28, 2021. 

Algorithm Updates in IDPS Mx 3 release include::

NOAA-20 OMPS Nadir Profile In-Band Stray Light Correction

OMPS-NP SDR code change and corresponding Straylight LUT update to implement a solar intrusion correction to address an issue with in-band stray light seen in NOAA-20 OMPS Nadir Profiler (NP) data.


Please note: This release will not occur during a Critical Weather Day (CWD).

The contents of this release are subject to change based on user readiness, customer feedback, and management approval. Additional ESPC notifications may provide further details and updates concerning this release.  

Any user feedback and questions should be sent to Shuang Qiu at

Contact Information for Further Information: ESPC Operations at and 301-817-3880, and User Services at 


Web Site(s) for applicable information: N/A

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