Update #1: This is the final reminder for the transition to operations for the Joint Polar Satellite System (JPSS) Algorithm Updates, within the Interface Data Processing Segment (IDPS) Block 2.3 Maintenance Release Mx16, on April 29, 2026, at 1630 UTC.

Topic: JPSS Algorithm Updates in IDPS Block 2.3 Maintenance Release Mx16 Transition to Operations

Date/Time Issued:  April 27, 2026 1930 UTC

Product(s) or Data Impacted: N/A

Date/Time of Initial Impact: April 29, 2026 1630 UTC

Date/Time of Expected End: NA

Length of Impact: NA

Details/Specifics of Change: The next Interface Data Processing Segment (IDPS) Block 2.3 maintenance release Mx16 scheduled to transition to operations on April 29, 2025. There are no major algorithm changes being introduced into operations as part of this maintenance release.This maintenance release will be rescheduled if Critical Weather Day (CWD) is declared.

Contact Information for Further Information and Feedback: 

SPSD User Services (spsd.userservices@noaa.gov) 

Web Site(s) for applicable information: NA

This notification was sent to ESPC.Notification@noaa.gov mailing list. If you wish to unsubscribe or subscribe to this list, please contact ESPC Help-Desk at ESPCOperations@noaa.gov with your request. Please note: it may take up to two business days to process your request. For any additional information you can reach ESPC at 301-817-3880 (24x7)