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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 Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Daily 25km EASE-Grid 2.0 V001 1 DMSP 5D-2/F11, DMSP 5D-2/F13, DMSP 5D-2/F8, DMSP 5D-3/F17, Terra SSM/I, SSMIS, MODIS 1999-01-01 to 2012-12-31

N: 90 S: 0 E: 180 W: -180

25 Kilometers x 25 Kilometers netCDF-4
MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Weekly 100km EASE-Grid 2.0 V001 1 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

N: 90 S: 0 E: 180 W: -180

100 Kilometers x 100 Kilometers 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) 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

N: 90 S: -90 E: 180 W: -180

0.625 Decimal Degrees x 0.5 Decimal Degrees
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) 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

N: 90 S: -90 E: 180 W: -180

0.625 Decimal Degrees x 0.5 Decimal Degrees
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) 5.12.4 MERRA-2 NOT APPLICABLE 1980-01-01 to Present

N: 90 S: -90 E: 180 W: -180

0.625 Decimal Degrees x 0.5 Decimal Degrees
MODIS/Aqua CGF Snow Cover Daily L3 Global 500m SIN Grid V061 61 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m NRT 6.1NRT Aqua MODIS 2021-02-07

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m V004 4 Aqua MODIS 2002-07-04 to 2006-12-31

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters GeoTIFF, HDF-EOS2
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m V005 5 Aqua MODIS 2002-07-04 to 2017-01-02

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m V006 6 Aqua MODIS 2002-07-04 to 2023-02-26

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 5-Min L2 Swath 500m V061 61 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 0.05Deg CMG V004 4 Aqua MODIS 2002-07-04 to 2007-01-03

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 0.05Deg CMG V005 5 Aqua MODIS 2002-07-04 to 2017-01-02

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 0.05Deg CMG V006 6 Aqua MODIS 2002-07-04 to 2023-02-25

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 0.05Deg CMG V061 61 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 500m SIN Grid V004 4 Aqua MODIS 2002-07-04 to 2007-01-03

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 500m SIN Grid V005 5 Aqua MODIS 2002-07-04 to 2017-01-03

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 500m SIN Grid V006 6 Aqua MODIS 2002-07-04 to 2023-02-25

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover 8-Day L3 Global 500m SIN Grid V061 61 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG V004 4 Aqua MODIS 2002-07-04 to 2007-01-15

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG V005 5 Aqua MODIS 2002-07-04 to 2017-01-01

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG V006 6 Aqua MODIS 2002-07-04 to 2023-02-25

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG V061 61 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 500m SIN Grid V004 4 Aqua MODIS 2002-07-04 to 2007-01-03

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters HDF-EOS2
MODIS/Aqua Snow Cover Daily L3 Global 500m SIN Grid V005 5 Aqua MODIS 2002-07-04 to 2017-01-01

N: 90 S: -90 E: 180 W: -180

500 Meters x 500 Meters 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 Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) offers a simple and efficient way to perform data access and transformation processes. Search and Discovery, Subsetting, Customization, Downloading, Visualization
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