Subject: Product Anomaly,NOAA-19 AMSU AND MHS Issued: June 30, This is a multi-part message in MIME format. --------------070902060708040308090502 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Topic: *NOAA-19 AMSU and MHS* Date/Time Issued: *JUNE** 30, 2009 1235 UTC* Product(s) or Data Impacted*:** TOVS, MIRS, MSPPS* Date/Time of Initial Impact: *JUNE 27, 2009 * Date/Time of Expected End: *Unknown* Length of Event: *TBD * Impacts on Users and Significance: *Unknown at this time. (Still Evaluating)* User Actions: *None* Details/Specifics of Change: **NESDIS Center for Satellite Applications and Research (STAR) has detected several anomalies with the NOAA-19 AMSU-A (Advanced Microwave Sounding Unit) and MHS (Microwave Humidity Sensor). The AMSU-A channels 3 and 8 are showing high errors, as well as the MHS channels 3 and 4. NESDIS STAR, OSO, and OSDPD are currently investigating the issue. Further information with respect to the effect of the errors of these channels on operational products will be issued soon. Preliminary analysis indicates the AMSU-A and MHS errors began around June 27, 2009. Contact Information for Further Information: *ESPC Operations Crew Leader at ESPCOperations@noaa.gov and 301-817-3880* Web Site(s) for applicable information: *N/A* --------------070902060708040308090502 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit

Topic: NOAA-19 AMSU and MHS

Date/Time Issued: JUNE 30, 2009 1235 UTC

Product(s) or Data Impacted: TOVS, MIRS, MSPPS

Date/Time of Initial Impact: JUNE 27, 2009

Date/Time of Expected End: Unknown

Length of Event: TBD

Impacts on Users and Significance: Unknown at this time. (Still Evaluating)

User Actions: None

Details/Specifics of Change: NESDIS Center for Satellite Applications and Research (STAR) has detected several anomalies with the NOAA-19 AMSU-A (Advanced Microwave Sounding Unit) and MHS (Microwave Humidity Sensor). The AMSU-A channels 3 and 8 are showing high errors, as well as the MHS channels 3 and 4. NESDIS STAR, OSO, and OSDPD are currently investigating the issue. Further information with respect to the effect of the errors of these channels on operational products will be issued soon. Preliminary analysis indicates the AMSU-A and MHS errors began around June 27, 2009.

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

Web Site(s) for applicable information: N/A

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