Topic: SNPP NUCAPS Level 2 data product Anomaly

Date/Time Issued: May 16, 2019 2048Z

Product(s) or Data Impacted: SNPP NUCAPS Level 2 data products including:

- Outgoing Longwave Radiation (OLR)
- Trace gas retrievals (Ozone, Methane, Carbon Dioxide, Carbon Monoxide)
- Atmospheric Vertical Moisture/Temperature Profiles
- MW Radiances

Date/Time of Initial Impact: March 26, 2019 2000Z

Date/Time of Expected End: TBD

Length of Outage: TBD

Details/Specifics of Change:

The SNPP NUCAPS level-2 data products will continue to be unavailable until the CrIS Mid-Wave (MW) is restored .Efforts are still being made to restore the SNPP CrIS MW spectrum by switching the CrIS instrument to side-2 electronic and these data products will not be available to users for at least three months after the switch is made. The user community will be informed on the progress of switching to side-2 electronic once it is available.

National Weather Service plans to distribute NOAA-20 NUCAPS soundings data flow into AWIPS in late May 2019.

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

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

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