Update #2: Correction: The date for Product Retirement is January 29, 2024.

Update #1: This is a 30 day notice for the Legacy Products Retirement of MODIS Winds and SO2 products on January 26, 2024.

Topic: Legacy Products Retirement of MODIS Winds and SO2 products

Date/Time Issued: July 26, 2023 1754 UTC

Product(s) or Data Impacted: See details below

Date/Time of Initial Impact: January 29, 2024

Date/Time of Expected End: Permanent 

Details/Specifics of Change: 

ESPC plans to terminate the legacy satellite capabilities for the following products: MODIS Winds and Ozone Monitoring Instrument (OMI) Sulphur Dioxide (SO2) on January 29, 2024 (see table below).  

NESDIS will collect user feedback for at least 30 days following the issuance of this notification.  If you have any concerns, please provide your feedback and comments to the corresponding Product Area Leads (PALs) (contact info listed in the table below) and User Services via email: (spsd.userservices@noaa.gov) by August 31, 2023.  User feedback will be evaluated by PALs and the NESDIS Satellite Products and Services Review Board (SPSRB).


Data Source to be Retired

Existing Missions /Mitigation



Aqua, Terra

Metop-B and C AVHRR Polar WInds, SNPP and NOAA-20 VIIRS Polar Winds, upcoming NOAA-21 VIIRS Polar Winds




OMPS SO2 from SNPP, N20, and N21


Contact Information for Further Information and Feedback: 

SPSD User Services (spsd.userservices@noaa.gov) and PALs (please see the table above)


Web Site(s) for applicable information:

Please reference the following link for all legacy retirements: https://www.ospo.noaa.gov/Products/retirements.html

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