Topic: GOES-15 (GOES-West) Yaw Flip Maneuver is scheduled for September 23, 2013

Date/Time Issued: September 16, 2013 1257 UTC

Product(s) or Data Impacted: GOES-15 (GOES-West) Imager and Sounder Data, GOES-13 (GOES-East) Imager.

Date/Time of Initial Impact: September 23, 2013  2030 UTC

Date/Time of Expected End: September 25, 2013 0044 UTC

Length of Outage: 1 hour for maneuver (2030 UTC - 2129 UTC); 27 hours and 15 minutes for recovery period (September 23, 2013  2130 UTC - September 25, 2013 0044 UTC).

Details/Specifics of Change: GOES-15 (GOES-West) will be performing a Yaw Flip Maneuver for one hour on Monday,  September 23, 2013 from 2030 UTC through 2129 UTC.  A recovery period will follow immediately and last until Wednesday, September 25, 2013 at 0044 UTC.  During the recovery period, routine imager and sounder scans will be performed; however, the navigation may still be out of specifications until the end of the recovery period.

If NWS Regions have any operational concerns, please contact the NCEP SDM (301) 683-1500 at least 6 hours prior to the maneuver time. The backup date for this maneuver is Tuesday, September 24, 2013.  

GOES-13 (GOES-East) will perform Full Disk coverage from 2015-2144 UTC on September 23, 2013.  The GOES-East Full Disk coverage is subject to change should NWS call for Rapid Scans to support critical weather.

On September 24, 2013 0800-1100 UTC, the following images and soundings will be shortened or replaced due to navigation constraints during eclipse.

Images:
0815 UTC PACUS replaced with 0819 UTC SUBCONUS
0845 UTC PACUS replaced with 0849 UTC SUBCONUS
0900 UTC Full Disk replaced with 0900 UTC Full Disk short
0945 UTC PACUS replaced with 0949 UTC SUBCONUS
1015 UTC PACUS replaced with 1019 UTC SUBCONUS
1045 UTC PACUS replaced with 1049 UTC SUBCONUS

Soundings:
0801 UTC Limited CONUS replaced with 0801 UTC short CONUS
0924 UTC N. Pacific replaced with 0924 UTC Limited N. Pacific
1024 UTC N. Pacific replaced with 1024 UTC Limited N. Pacific

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