Topic: NPP/OMPS special DIAG SCIENCE measurements

Date/Time Issued: Jan. 27, 2026 1908Z

Product or Data Impacted: Routine NomOps dayside measurement (CBM) activities will be replaced with DIAG SCIENCE
activities on six (6) orbits spread across 3 days, that is, specifically, 2 orbits per day.

Date/Time of Initial Impact: Feb. 9, 2026, 0051Z

Date/Time of Expected End: Feb. 13, 2026, 0439Z

Length of Outage/Event: 75 Hours 48 Minutes

Details/Specifics: Six (6) special orbits of NPP/OMPS DIAG SCIENCE data will occur on the dates/times listed below. These special orbits will result in no NOM APID science data on those orbits.

Specific dates of special (CBM) measurement executions:

2026-Feb-09: CBM Block ID 39: CBM to be started at 01:39:27 UT (delayed from STC of 00:51:27 UTC)
2026-Feb-09: CBM Block ID 39: CBM to be started at 03:20:57 UT (delayed from STC of 02:32:57 UTC)
2026-Feb-12: CBM Block ID 47: CBM to be started at 02:16:12 UT (delayed from STC of 01:36:12 UTC)
2026-Feb-12: CBM Block ID 47: CBM to be started at 03:57:43 UT (delayed from STC of 03:17:43 UTC)
2026-Feb-13: CBM Block ID 42: CBM to be started at 02:05:17 UT (delayed from STC of 01:17:17 UTC)
2026-Feb-13: CBM Block ID 42: CBM to be started at 03:46:48 UT (delayed from STC of 02:58:48 UTC)

This information has been provided by OMPS SIPS. Please contact Jonathan Stacey (jonathan.m.stacey@nasa.gov) or Thomas Kelly (thomas.j.kelly-1@nasa.gov) if you have questions or concerns.

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).