Update #1: This is a two week reminder. Please note there are newly added products to the termination list denoted in red below. Some of these products were previously terminated in PDA in 2019 and some were never distributed through the PDA system.
Topic: JPSS Algorithm Updates in IDPS Block 2.2 Maintenance Release Mx1 Transition To Operations
Date/Time Issued: July 14, 2020 2118 UTC
Product(s) or Data Impacted: S-NPP/NOAA-20 VIIRS Imagery EDRs & OMPS SDRs
Date/Time of Initial Impact: July 27, 2020 TBD UTC
Date/Time of Expected End: July 27, 2020 TBD UTC
Length of Outage: N/A
Details/Specifics of Change:
The next Interface Data Processing Segment (IDPS) Block 2.2 maintenance release Mx1 (IDPS Mx I2.2.01.00) is scheduled to transition to operations on July 27, 2020.
Algorithm updates for IDPS Block 2.2 Mx 1 are listed below:
Terrain Corrected Geo-locations for VIIRS Imagery EDRs
The VIIRS ellipsoid-based Imagery EDR will be discontinued and replaced with the VIIRS Terrain Corrected (TC) based Imagery. S-NPP and NOAA-20 VIIRS Imagery EDRs will not display navigation shifts of environmental features in higher elevations with the new Terrain Corrected geo-locations software applied. No actions are required by users. VIIRS Imagery EDRs and geo-location filenames and PDA short names are unchanged.
Improved OMPS SDR Quality
This update removes the snow/ice and QST tile use from the OMPS SDRs and changes how sun glint is computed by adding a new LUT for surface type information. The changes to inputs are relatively minor as they are internal to the algorithm. Users would only see minor differences in data values or metadata.
IDPS will stop producing the following SNPP products (these products were never produced for NOAA-20):
IDPS will stop producing the following S-NPP and NOAA-20 Products:
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.
Sample data may be assessed at the following location (https://satepsanone.nesdis.noaa.gov/pub/30day/jpssrr/VIIRS-EDR/). Any user feedback and questions should be sent to Shuang Qiu at firstname.lastname@example.org
Contact Information: For information on the status of this work please ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880
Web Site(s) for applicable information: N/A
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