Topic: GOES-16 (GOES-EAST) HBT Flush scheduled for June 23, 2020

Date/Time Issued: June 22 2020 1930Z

Product(s) or Data Impacted: GOES-16 ABI, EXIS, and SUVI product outage. GLM excessive false events.

Date/Time of Initial Impact: June 23, 2020 2300Z

Date/Time of Expected End: June 23, 2020 2310Z

Length of Outage: 10 minutes of product impact for ABI, EXIS, SUVI, and GLM. See table in details below.

Details/Specifics of Change: A GOES-16 HBT Flush will be performed on Tuesday, June 23, 2020, at 2300 UTC resulting in an ABI, EXIS, and SUVI product outage, GLM may have excessive false events and “throttle-limited”. The HBT Flush will be cancelled due to CWD. The backup date for this maneuver is Thursday, June 25, 2020. Product navigation may be degraded for up to 45 minutes after the conclusion of the HBT flush.

On Tuesday, June 23, 2020 the following schedule will be employed to support GOES-16 HBT Flush operations:

2300 UTC: GOES-16 HBT Flush Schedule begins

2300 UTC - 2315 UTC: GOES-16 ABI, EXIS, and SUVI product outage. GLM may have excessive false events.

2310 UTC: GOES-16 ABI Routine Flex Mode (Mode 6) Operations Resume

2310 UTC: GOES-16 Routine EXIS, SUVI, and GLM Operations Resume

There will be no recovery schedule for this maneuver.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

Web Site(s) for applicable information: See https://www.ospo.noaa.gov/Operations/messages.html for this and other satellite related messages.

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