Topic: NOAA-20 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper TC SDR and GEO (SOMTC and GOTCO) ADR-11193

Date/Time Issued:  September 25, 2025 2020 UTC

Product(s) or Data Impacted: Ozone Mapping and Profiler Suite (OMPS)

Date/Time of Initial Impact: October 25, 2025 TBD UTC

Date/Time of Expected End: NA

Length of Impact: NA

Details/Specifics of Change:

NOAA-20 Ozone Mapping and Profiler Suite (OMPS) NM SDR contains 35-cross track (CT) low resolution data sets in the NOAA20 SDR, SOMTC. The new NOAA-20 tables below will enable 139 CT medium resolution data sets in the NOAA-20 OMPS NM SDR.  

Compressed HDF5 File Size Increase Per Granule

NOAA-20 OMPS TC SDR (SOMTC) increase from ~500KB to 1.6MB

NOAA-20 OMPS GEO (GOTCO)  increase from ~110KB  to 170KB

Compressed HDF5 Daily Volume Increase (14 orbits * 80 granules per orbit)

NOAA-20 OMPS TC SDR daily will increase from .5GB to 1.8GB

NOAA-20 OMPS TC GEO daily will increase from .1GB to .2GB

Tables include: 

OMPS-TC-STRAYLIGHT-LUT_j01

OMPS-TC-WAVELENGTH-GND-PI_j01

OMPS-TC-CF-EARTH-GND-PI_j01

OMPS-TC-EV-SAMPLE-GND-PI_j01

OMPS-TC-MACROTABLE-GND-PI_j01

OMPS-TBL-VERS-GND-PI_j01

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.

Web Site(s) for applicable information: NA

Contact Information for Further Information: Please email User Services at spsd.userservices@noaa.gov 

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