Subject: Product Outage/Anomaly: Metop-A anomaly on the ATOVS Sounding This is a multi-part message in MIME format. --Boundary_(ID_iuF5IlVe1hg1RoVkm8cIpg) Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 7BIT *Topic: *Metop-A anomaly on the ATOVS Sounding Products *Date/Time Issued: *June 6, 2017 2105 Z *Product(s) or Data Impacted:* ATOVS Sounding Products *Date/Time of Initial Impact: *June 5, 2017 0850Z *Impacts on Users and Significance: *ATOVS sounding products are severely impacted** *Date/Time of Expected End: *TBD** *Length of Outage: *TBD** *Details/Specifics of Change: * Due to the degradation of the AMSU-A instrument, particularly channels 6, 7, 8 and 9 on Metop-A, the quality of the ATOVS Sounding products has decreased below specification. Starting around 0850 UTC on 5 June 2017, no valid measurements of AMSU-A channels were available, which caused a degradation of the ATOVS product quality. The ATOVS soundings products are severely impacted by the anomaly. Currently, no good retrievals are being made from the ATOVS using the Metop-A data. Users are recommended to use the available products with caution. Sounding product area lead is investigating the problem and a decision will be made whether to terminate the affected ATOVS sounding products based on an upcoming assessment. ** *Contact Information for Further Information:*ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 and/or other contacts as necessary** *Web Site(s) for applicable information:*Enter applicable web site address/es as necessary This message was sent to ESPC.Notification@noaa.gov . You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880. Please note: it make take up to two business days to process your unsubscribe request. --Boundary_(ID_iuF5IlVe1hg1RoVkm8cIpg) Content-type: text/html; charset=utf-8 Content-transfer-encoding: 8BIT

Topic: Metop-A anomaly on the ATOVS Sounding Products

Date/Time Issued:   June 6, 2017 2105 Z

Product(s) or Data Impacted:  ATOVS Sounding Products

Date/Time of Initial Impact: June 5, 2017 0850Z

Impacts on Users and Significance: ATOVS sounding products are severely impacted

Date/Time of Expected End:  TBD

Length of Outage:  TBD

Details/Specifics of Change:

Due to the degradation of the AMSU-A instrument, particularly channels 6, 7, 8 and 9 on Metop-A, the quality of the ATOVS Sounding products has decreased below specification.

Starting around 0850 UTC on 5 June 2017, no valid measurements of AMSU-A channels were available, which caused a degradation of the ATOVS product quality. The ATOVS soundings products are severely impacted by the anomaly. Currently, no good retrievals are being made from the ATOVS using the Metop-A data. Users are recommended to use the available products with caution. Sounding product area lead is investigating the problem and a decision will be made whether to terminate the affected ATOVS sounding products based on an upcoming assessment.   

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 and/or other contacts as necessary

Web Site(s) for applicable information: Enter applicable web site address/es as necessary


This message was sent to ESPC.Notification@noaa.gov. You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880. Please note: it make take up to two business days to process your unsubscribe request.

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