JPSS1 Product Descriptions: VJ110_NRT

Last update: October 25, 2023

Data Set Short Name:
VJ110_NRT

Data Set Long Name:
VIIRS/JPSS1 Snow Cover 6-Min L2 Swath 375m NRT

Platform:
Joint Polar-orbiting Satellite System-1 (JPSS-1; now NOAA-20)

Instrument:
Visible Infrared Imaging Radiometer Suite (VIIRS)

Product Description:
This data set reports the location of snow cover using radiance data acquired by the Visible Infrared Imager Radiometer Suite (VIIRS) on board the Joint Polar-orbiting Satellite System-1 (JPSS-1; now NOAA-20) satellite. Snow cover is identified using the Normalized Difference Snow Index (NDSI) and a series of quality control screens.
file_naming_convention = "VJ110_NRT.AYYYYDDD.HHMM.CCC.YYYYDDDHHMMSSnc

  • AYYYYDDD = Acquisition Year and Day of Year
  • CCC = Collection version number
  • YYYYDDDHHMM = Production Date and Time
  • h5 = HDF 5

For more information read VIIRS Snow Cover Product User's Guide
or visit VIIRS Land website

Production Frequency:
~140 file per day

Spatial Coverage:
Global

Spatial Resolution:
375m

File Size (MB):
~260

Citation:

Dataset Originator/Creator:
NASA JPSS1 Land Science Team/Land, Atmosphere Near real-time Capability for EOS (LANCE)Moderate Resolution Imaging Spectroradiometer (MODIS)

Data Authors:
George A. Riggs, Dorothy K. Hall, Miguel O. Román

Dataset DOI:
https://org/10.5067/VIIRS/VJ110_NRT.002