Topic: VIIRS SDR reflective solar bands (RSB)

Date/Time Issued:M-B January 17, 2020 1330Z

Product(s) or Data Impacted: VIIRS SDR reflectance/radiance productsM-B

Date/Time of Initial Impact: January 16, 2020 0000Z

Date/Time of Expected End: TBD

Length of Event:M-B TBD

Details/Specifics of Change:M-B

There has been an anomaly in the VIIRS SDR reflective solar bands (RSB) calibration for both NOAA-20 and S-NPP due to an unexpected change in the solar vector since about 2020-01-16 0:00 UTC. As a result, large errors in VIIRS SDR reflectance/radiance products have been observed which affect RSB based products.M-B This anomaly appears to affect the OMPS SDR as well. ESPC Level 2 products using VIIRS RSB bands and OMPS level 2 products are degraded. The exact cause of this anomaly is still under investigation. Please stay tuned for further updates.

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

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

This message was sent from 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.