If you are interested in plain text gridded snow matrix data (legacy format) or other products such as snow extents for a specific geographic area please use the online contact form.
The Climate Data Record (CDR) of Northern Hemisphere (NH) Snow Cover Extent (SCE) is freely available in netCDF format from the NOAA National Climatic Data Center (NCDC).
Current version is v01r01. To access weekly data from the NCDC Climate Data Record Program:
How to cite this dataset when used as a source:
Robinson, David A., Estilow, Thomas W., and NOAA CDR Program (2012):NOAA Climate Date Record (CDR) of Northern Hemisphere (NH) Snow Cover Extent (SCE), Version 1. [indicate subset used]. NOAA National Climatic Data Center. doi:10.7289/V5N014G9 [access date].