Topic: GOES-16 EXIS quarterly calibration scans (impacts to GLM and SUVI data) scheduled for September 11-14, 2018

Date/Time Issued: September 5, 2018 1442 UTC

Product(s) or Data Impacted: GOES-16 EXIS product outage, GLM impacts and SUVI outages with certain scans

Date/Time of Initial Impact: September 11, 2018 1722 UTC

Date/Time of Expected End: September 14, 2018 1837 UTC

Length of Outage: See schedule below

Details/Specifics of Change:

Several GOES-16 EXIS quarterly calibration scans will occur from September 11-14, 2018 following the schedule below: M-B

M-B

An EXIS FOV map calibration will occur on September 11, 2018 from 1722-1822 UTC resulting in an outage of all EXIS and SUVI products for 1 hour.

M-B

An EXIS EUVS C readdout noise calibration will occur on September 12, 2018 from 1655-1657 UTC resulting in an outage of all EXIS products for 2 minutes.

M-B

An EXIS off-point calibration will occur on September 13, 2018 from 0302-0312 UTC resulting in an outage of all EXIS and SUVI products for 10 minutes.

M-B

An EXIS cruciform scan will occur on September 14, 2018 from 1700-1837 UTC resulting in an outage of all EXIS and SUVI products for 1 hour and 37 minutes. During this scan, GLM will generate false alarms every few minutes generally around the edges of illuminated clouds.

M-B

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

M-B

Web Site(s) for applicable information:

See https://www.ospo.noaa.gov/Operations/messages.html for this and other satellite related messages.

M-B

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