Knowledge Base

What VIIRS data are missing or defective?

The following table shows missing and known defective VNP10, VNP29, and VNP30 data. This list is updated when data gaps and errors are discovered and may not be complete. If you discover additional data not included here, please contact NSIDC User Services at nsidc@nsidc.org to clarify.

Data set Date(s) Reason
VNP10, VNP29, & VNP30 2012.02.25 Bad scan lines in select granules (data still available)
VNP10, VNP29, & VNP30 2012.03.25 Instruments not in science mode, complete data loss
VNP10, VNP29, & VNP30 2012.04.17 Bad scan lines in select granules (data still available)
VNP10, VNP29, & VNP30 2014.08.25 Calibration mode, complete data loss

For a list of all instrument outages, including these related data gaps, visit the VIIRS/NPP Outages Page.

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