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NPP first images for land cover was obtained on 11/21/2011

NPP VIIRS 500m GVI data were produced since May 2, 2012 to now

Data and images displayed on STAR sites are provided for experimental use only and are not official operational NOAA products. More information>>

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STAR - Global Vegetation Health Products :

Research on Vegetation: using Snowdata -- Browse Archived Weekly Images

Snow/Ice

Global Multisensor Snow/Ice Cover Map is derived from combined observations of NOAA AVHRR, MSG SEVIRI, GOES Imager and DMSP SSM/I. The algorithm is fully automated. It is an experimental product which data are available since Jan 1, 2006.

URL: https://www.star.nesdis.noaa.gov/smcd/emb/snow/HTML/multisensor_global_snow_ice.html
We aggregated daily snow data to weekly map.