Update #1: The Band 2 degradation affected ABI L1b Band 2 in all scene types as well as derived products (including ABI Band 2 CMI) to AWIPs, GRB and PDA. Intermittent ABI Band 2 degradation has been resolved. Total length of anomaly was about 1 day and 22.5 hours.

Topic: Product Anomaly: Intermittent Degradation of GOES-16 ABI CMI Band 2 Full Disk products, derived products and their distribution to AWIPS over GRB and to PDA.

Date/Time Issued: August 01, 2018 2018Z

Product(s) or Data Impacted: GOES-16 ABI CMI Band 2 Full Disk products, derived products and their distribution to AWIPS over GRB and to PDA.

Date/Time of Initial Impact: July 30, 2018 2000Z

Date/Time of Expected End: August 01, 2018 1840Z

Length of Event: Approx. 46.5 hours

Details/Specifics of Change:Intermittent product degradation (small missing blocks of data) was noted in the GOES-16 ABI CMI Band 2 Full Disk products due to an anomaly. Specifically the 2000Z, 2200Z and 2315ZABICMI Band 2 products, derived products were impacted. These products and derived products were distributed to AWIPS over the GRB and to PDA. This anomaly is currently under investigation.

Contact Information for Further Information: ross.cox@noaa.gov

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