Topic: GOES-17 Yaw Flip Maneuver scheduled for September 9, 2019

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Date/Time Issued: September 5, 2019 1320 UTC

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Product(s) or Data Impacted: GOES-17 ABI, GLM, SEISS, SUVI, and EXIS

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Date/Time of Initial Impact: September 9, 2019 2040 UTC

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Date/Time of Expected End: September 9, 2019 2140 UTC

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Length of Event: 1 hour

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Details/Specifics of Change:

A yaw flip maneuver will be performed on GOES-17 on Monday, September 9, 2019 from 2040-2140 UTC.M-BDuring this period, all instruments will experience a data outage except telemetry data from MAGM-Bwhich will continue to be sent. After the maneuver, all instruments and products will resume nominal production and distribution.

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All ABI channels will experience navigation and product quality degradation for a period of time due to the Kalman filter reset. ABI visible channels will become nominal after approximately 30 minutes after yaw flip and infrared channels will become nominal after approximately 30 minutes to 30 hours after yaw flip. There is no back up date for the yaw flip. It will be conducted during a critical weather day.M-BM-B

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If NWS Regions have any operational concerns, please contact the NCEP SDMM-B(301) 683-1500M-Bat least 6 hours prior to the maneuver time.

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Contact Information for Further Information:M-BESPC Operations atM-BESPCOperations@noaa.govM-BorM-B301-817-3880

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Web Site(s) for applicable information:

SeeM-Bhttps://www.ospo.noaa.gov/Operations/messages.htmlM-Bfor this and other satellite related messages.

SeeM-Bhttp://www.ospo.noaa.gov/Operations/GOES/schedules.htmlM-Bfor full GOES scanning schedules and scan sectors.

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