Topic: GOES-17 Yaw Flip Maneuver scheduled for March 27, 2019

Date/Time Issued: March 12, 2019 1530 UTC

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

Date/Time of Initial Impact: March 27, 2019 2035 UTC

Date/Time of Expected End: March 27, 2019 2159 UTC

Length of Event: 1 hour 24 minutes

Details/Specifics of Change:

A yaw flip maneuver will be performed on GOES-17 on March 27, 2019 from M-B2035-2159 UTC. During this period, all instruments will experience a data outage except telemetry data from MAG which will continue to be sent. After the maneuver, all instruments and products will resume nominal production and distribution.

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-B


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

Contact Information for Further Information: ESPC Operations at or 301-817-3880

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