Topic: NOAA-20 VIIRS Outgassing Activity Scheduled from March 12, 2018 to March 14, 2018

Date/Time Issued: March 10, 2018 00:45Z

Product(s) or Data Impacted: NOAA-20 VIIRS, CERES, and OMPS Sensor Data

Date/Time of Initial Impact: March 12, 2018 12:35Z

Date/Time of Expected End: March 14, 2018 20:00Z

Length of Outage: See Details.

Details/Specifics of change:On March 12, 2018, NOAA-20 will start an Outgassing Activity to remove accumulated
water from the NOAA-20 VIIRS instrument. During this activity, VIIRS will be in Outgassing Mode, CERES will be in SAFE mode, and OMPS will be in decontamination mode. The end time of the activity is approximate and an updated notice with exact times will be issued later. Provided below are the planned outage time periods for CERES, OMPS and VIIRS.

From March 12 2018 12:34Z to March 14, 2018 20:00Z, NOAA-20 CERES will be in SAFE Mode and science data will not be available.

From March 12 2018 12:34Z to March 14, 2018 20:00Z, NOAA-20 OMPS will be in decontamination mode and science data will not be available.

From March 12 2018 12:34:00 Z to March 14, 2018 20:00Z, NOAA-20 VIIRS will be in Outgassing Mode and science data will not be available. From March 14,2018until March 16, 2018,the NOAA-20VIIRS infrared channels are expected to be degraded.

This message was sent byESPC.Notification@noaa.gov. You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk atESPCOperations@noaa.govor(301) 817-3880. Please note: it may take up to two business days to process your unsubscribe request.