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Snow Cover Data Access and Tools

From discovery to visualization, data tools such as Application for Extracting and Exploring Analysis Ready Samples (AppEEARS), Snow Today, and Worldview guide users in making the most of snow cover data.

Snow Cover Datasets

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Dataset Platforms Instruments Temporal Extent Location Keywords Spatial Extent Data Format
MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Weekly 100km EASE-Grid 2.0 V001 DMSP 5D-2/F11, DMSP 5D-2/F13, DMSP 5D-2/F8, DMSP 5D-3/F17, Nimbus-7 SSM/I, SSMIS, SMMR 1966-10-04 to 2012-12-31 NORTHERN HEMISPHERE N: 90 E: 180 W: -180 netCDF-4
MERRA-2 tavg3_2d_glc_Nx: 2d,3-Hourly,Time-Averaged,Single-Level,Assimilation,Land Ice Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T3NXGLC) at GES DISC MERRA-2 NOT APPLICABLE 1980-01-01 to Present GLOBAL N: 90 S: -90 E: 180 W: -180
MERRA-2 tavgM_2d_glc_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Land Ice Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXGLC) at GES DISC MERRA-2 NOT APPLICABLE 1980-01-01 to Present GLOBAL N: 90 S: -90 E: 180 W: -180
MERRA-2 tavgU_2d_glc_Nx: 2d,diurnal,Time-Averaged,Single-Level,Assimilation,Land Ice Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TUNXGLC) at GES DISC MERRA-2 NOT APPLICABLE 1980-01-01 to Present GLOBAL N: 90 S: -90 E: 180 W: -180
MODIS/Aqua CGF Snow Cover Daily L3 Global 500m SIN Grid V061 Aqua MODIS 2002-07-04 to Present GLOBAL N: 90 S: -90 E: 180 W: -180 HDF-EOS2
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m NRT Aqua MODIS 2021-02-07 GLOBAL N: 90 S: -90 E: 180 W: -180 HDF-EOS
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m V061 Aqua MODIS 2002-07-04 to Present GLOBAL N: 90 S: -90 E: 180 W: -180 HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 0.05Deg CMG V061 Aqua MODIS 2002-07-04 to Present GLOBAL LAND N: 90 S: -90 E: 180 W: -180 HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 500m SIN Grid V061 Aqua MODIS 2002-07-04 to Present GLOBAL LAND N: 90 S: -90 E: 180 W: -180 HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG V061 Aqua MODIS 2002-07-04 to Present GLOBAL LAND N: 90 S: -90 E: 180 W: -180 HDF-EOS2
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Featured Observation Method: VIIRS
The Visible Infrared Imaging Radiometer Suite (VIIRS) is an instrument aboard the joint NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) and NOAA-platforms. VIIRS collects visible and infrared imagery along with global observations of Earth including cryosphere.

The algorithms VIIRS uses for snow cover and sea ice products are specifically designed to be compatible with similar products from older the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument, which supports comparison between datasets to facilitate long-term climate data records.
Learn more about VIIRS
True color corrected reflectance image of Africa, Europe, and Asia from the VIIRS instrument aboard the NOAA-21 satellite

From MODIS to VIIRS: Continuing the Legacy

The Visible Infrared Imaging Radiometer Suite (VIIRS) will help ensure continuity of Earth observations after the upcoming retirement of the Moderate Resolution Imaging Spectroradiometer (MODIS).

Snow Cover Data Tools

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Tool Description Services
AppEEARS The The Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) offers users a simple and efficient way to perform data access and transformation processes. Search and Discovery, Subsetting, Customization, Downloading, Visualization
Worldview Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data. Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events
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