Subject: Administrative: S-NPP Data Products Incorrect over the This is a multi-part message in MIME format. --Boundary_(ID_qvE356Ypxl/F1yAHyNTIYw) Content-type: text/plain; charset=utf-8; format=flowed Content-transfer-encoding: 8BIT *Topic: *S-NPP Data Products Incorrect over the Southern Hemisphere *Date/Time Issued*: March 16, 2017 2022Z *P**roduct(s) or Data Impacted*: IDPS VIIRS products and NDE NUCAPS, VPW, VHP products *Date/Time of Initial Impact*: Wednesday, March 8, 2017 1500Z *Date/Time of Expected End:* TBD * * *Length of Outage*: N/A Details/Specifics of Change: IDPS VIIRS Moderate products and NDE downstream NUCAPS, VPW, VHP products are impacted due to incorrect S-NPP VIIRS Cloud Mask over the Southern Hemisphere KEY POINTS: -Significant areas of the Southern Hemisphere, especially Antarctica, are incorrectly labeled as “snow/ice free.” -The error is not seen in the Northern Hemisphere (NH). -VIIRS products for the Southern Hemisphere are impacted in regions of snow and ice. -VIIRS Gridded Snow/Ice Rolling Tiles are also incorrect over the Southern Hemisphere. -The root cause is incorrect processing of the NOAA Global Automated Multi-sensor Snow/Ice (GMASI) ancillary data. -Developers are currently working to implement a fix. Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 Web Site(s) for applicable information: N/A This message was sent by 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 may take up to two business days to process your unsubscribe request. --Boundary_(ID_qvE356Ypxl/F1yAHyNTIYw) Content-type: text/html; charset=utf-8 Content-transfer-encoding: 8BIT

Topic: S-NPP Data Products Incorrect over the Southern Hemisphere

Date/Time Issued: March 16, 2017 2022Z

Product(s) or Data Impacted: IDPS VIIRS products and NDE NUCAPS, VPW, VHP products

Date/Time of Initial Impact: Wednesday, March 8, 2017 1500Z

Date/Time of Expected End: TBD

Length of Outage: N/A

Details/Specifics of Change: IDPS VIIRS Moderate products and NDE downstream NUCAPS, VPW, VHP products are impacted due to incorrect S-NPP VIIRS Cloud Mask over the Southern Hemisphere

KEY POINTS:

-Significant areas of the Southern Hemisphere, especially Antarctica, are incorrectly labeled as “snow/ice free.”

-The error is not seen in the Northern Hemisphere (NH).

-VIIRS products for the Southern Hemisphere are impacted in regions of snow and ice.

-VIIRS Gridded Snow/Ice Rolling Tiles are also incorrect over the Southern Hemisphere.

-The root cause is incorrect processing of the NOAA Global Automated Multi-sensor Snow/Ice (GMASI) ancillary data.

-Developers are currently working to implement a fix.

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

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

This message was sent by 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 may take up to two business days to process your unsubscribe request.

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