Subject: Product Outage/Anomaly: Metop-B AMSU Channel-7 is Turned This is a multi-part message in MIME format. --Boundary_(ID_8jXJ2bkbZHVORvyyIX/hVQ) Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 7BIT *Topic:* The Metop-B AMSU Channel-7 is turned off in MIRS *Date/Time Issued*: January 18, 2017 2030Z *Product(s)/Data Impacted:* MIRS Metop-B Temperature Profile Retrievals *Date/Time of Initial Impact:* January 17, 2017 2030Z *Impact on Users and Significance:* Slightly degraded MIRS Metop-B temperature profile retrievals *Details/Specifics of Change:* Due to the accelerated increase on the NDET noise of Metop-B AMSU Channel-7, the decision has been made to disable Channel-7 in the MIRS retrieval. Based on the algorithm scientists' assessment, the Ch7 anomaly mainly impact on the temperature profile around 250 mb and the stdev error at 250 mb compared to the reference (NDET less than 0.25K) increases less than 1.0 K with the Channel-7 to be turned off. This change has no minimum impact on other MIRS Metop-B products. *Contact Information for Further Information:* ESPCOperations@noaa.gov at (301)817-3880 *Web Site(s) for applicable information:* http://www.ospo.noaa.gov/Products --Boundary_(ID_8jXJ2bkbZHVORvyyIX/hVQ) Content-type: text/html; charset=utf-8 Content-transfer-encoding: 8BIT
Topic: The Metop-B AMSU Channel-7 is turned off in MIRS
Date/Time Issued: January 18, 2017 2030Z
Product(s)/Data Impacted: MIRS Metop-B Temperature Profile Retrievals
Date/Time of Initial Impact: January 17, 2017 2030Z
Impact on Users and Significance: Slightly degraded MIRS Metop-B temperature profile retrievals
Details/Specifics of Change: Due to the accelerated increase on the NDET noise of Metop-B AMSU Channel-7, the decision has been made to disable Channel-7 in the MIRS retrieval. Based on the algorithm scientists' assessment, the Ch7 anomaly mainly impact on the temperature profile around 250 mb and the stdev error at 250 mb compared to the reference (NDET less than 0.25K) increases less than 1.0 K with the Channel-7 to be turned off. This change has no minimum impact on other MIRS Metop-B products.
Contact Information for Further Information: ESPCOperations@noaa.gov at (301)817-3880
Web Site(s) for applicable information:
http://www.ospo.noaa.gov/Products