Topic: NOAA-19 and Metop-B ATOVS Sounding Products Retirement

Date/Time Issued: January 27, 2023 1951 UTC


Product(s) or Data Impacted:  ATOVS Sounding Products


Date/Time of Initial Impact: February 6, 2023


Date/Time of Expected End: Permanent 

Details/Specifics of Change: 

ESPC plans to terminate the NOAA-19 and Metop-B ATOVS sounding products on February 6, 2023. 


The Sounding Products include


· Temperature and Moisture Profiles

· Water Vapor Mixing Ratio at various pressure levels

· Total precipitable water from ATOVS

· Total Ozone

· Cloud Parameters

· Layer Mean Virtual Temperature

· Layer Thickness

· Geopotential heights

· Retrieved Parameters

· Layer precipitable water for 3 layers

The decision of terminating all the ATOVS Sounding Products Processing Systems (currently running for NOAA-19 and Metop-B) by February 6, 2023 is based on the resources need to be devoted to support new missions. 

We are currently produced sounding products for NOAA-20 from the NOAA Unique CrIS/ ATMS Product System (NUCAPS). Examples of these products can be found at the following URLs.

Web Site(s) for applicable information:

Please note: This promotion might not be performed during Critical Weather Day (CWD).

Also, the products of this promotion are subject to change based on user readiness, customer feedback, and management approval. 


Contact Information: For information on the status of this work, please contact Dr. AK Sharma or ESPC Operations at or 301-817-3880 


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