Rutgers Northern Hemisphere 24 km Weekly Snow Cover Extent

reference

source
Rutgers U.; NSIDC
data type
Interpreted/diagnosed from optical imagery
spatial domain
Northern Hemisphere
spatial resolution
1024 x 1024 grid: Cell areas range from ~159 km2 at the equator to ~651 km2 near the pole
temporal coverage
Sept 1980 - present
time step
Weekly
data format
NetCDF
comments
As above, but in this dataset snow charts used before 1999 are digitized at 24 km resolution starting from late 1980.  Starting in 1999, Northern Hemisphere snow charts are produced at 24 km resolution on a daily basis using the IMS data.