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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
Soil Moisture Active Passive (SMAP) L1-L3 Ancillary NOAA Data V001 1 NOT APPLICABLE NOT APPLICABLE 2015-01-31 to Present

N: 86.4 S: -86.4 E: 180 W: -180

netCDF-3, ASCII
Soil Moisture Active Passive (SMAP) L4 Soil Moisture Ancillary Restart Files V001 1 MODELS NOT APPLICABLE 2015-01-31 to Present

N: 86.4 S: -86.4 E: 180 W: -180

netCDF-4
Trends of Thermal, Wetness, and Vegetative Change in the Circumpolar Arctic 1 COMPUTERS Computer 1980-01-01 to 2020-12-31

N: 90 S: 30 E: 180 W: -180

multiple
VIIRS/JPSS1 CGF Snow Cover Daily L3 Global 375m SIN Grid V002 2 JPSS-1, NOAA-20 VIIRS 2018-01-05 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/JPSS1 Snow Cover 6-Min L2 Swath 375m NRT 2 NOAA-20 VIIRS 2023-10-10 to Present

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

375 Meters x 375 Meters NetCDF
VIIRS/JPSS1 Snow Cover 6-Min L2 Swath 375m V002 2 JPSS-1, NOAA-20 VIIRS 2018-01-05 to Present

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

375 Meters x 375 Meters netCDF-4
VIIRS/JPSS1 Snow Cover Daily L3 Global 0.05Deg CMG V002 2 JPSS-1, NOAA-20 VIIRS 2018-01-05 to Present

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

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS5
VIIRS/JPSS1 Snow Cover Daily L3 Global 375m CMG V002 2 JPSS-1, NOAA-20 VIIRS 2018-01-05 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/JPSS1 Snow Cover Daily L3 Global 375m SIN Grid V002 2 JPSS-1, NOAA-20 VIIRS 2018-01-05 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/JPSS2 CGF Snow Cover Daily L3 Global 375m SIN Grid V002 2 JPSS-2, NOAA-21 VIIRS 2023-02-10 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/JPSS2 Snow Cover 6-Min L2 Swath 375m NRT 2 NOAA-21 VIIRS 2026-07-10 to Present

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

375 Meters x 375 Meters NetCDF
VIIRS/JPSS2 Snow Cover 6-Min L2 Swath 375m V002 2 JPSS-2, NOAA-21 VIIRS 2023-02-10 to Present

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

375 Meters x 375 Meters NetCDF
VIIRS/JPSS2 Snow Cover Daily L3 Global 0.05Deg CMG V002 2 JPSS-2, NOAA-21 VIIRS 2023-02-10 to Present

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

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS5
VIIRS/JPSS2 Snow Cover Daily L3 Global 375m CMG V002 2 JPSS-2, NOAA-21 VIIRS 2023-02-10 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/JPSS2 Snow Cover Daily L3 Global 375m SIN Grid V002 2 JPSS-2, NOAA-21 VIIRS 2023-02-10 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/NPP CGF Snow Cover Daily L3 Global 375m SIN Grid V001 1 Suomi-NPP VIIRS 2012-01-19 to 2024-06-17

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/NPP CGF Snow Cover Daily L3 Global 375m SIN Grid V002 2 SUOMI-NPP VIIRS 2012-01-19 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/NPP Snow Cover 6-Min L2 Swath 375m 1 Suomi-NPP VIIRS 2012-01-19 to Present

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

375 Meters x 375 Meters NetCDF
VIIRS/NPP Snow Cover 6-Min L2 Swath 375m NRT 2 Suomi-NPP VIIRS 2023-10-10 to Present

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

375 Meters x 375 Meters NetCDF
VIIRS/NPP Snow Cover 6-Min L2 Swath 375m V001 1 Suomi-NPP VIIRS 2012-01-19 to 2024-03-30

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

375 Meters x 375 Meters netCDF-4
VIIRS/NPP Snow Cover 6-Min L2 Swath 375m V002 2 SUOMI-NPP VIIRS 2012-01-19 to Present

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

375 Meters x 375 Meters netCDF-4
VIIRS/NPP Snow Cover Daily L3 Global 0.05Deg CMG V002 2 Suomi-NPP VIIRS 2012-01-19 to Present

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

0.05 Decimal Degrees x 0.05 Decimal Degrees HDF-EOS5
VIIRS/NPP Snow Cover Daily L3 Global 375m CMG V002 2 SUOMI-NPP VIIRS 2012-01-19 to Present

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/NPP Snow Cover Daily L3 Global 375m SIN Grid V001 1 Suomi-NPP VIIRS 2012-01-19 to 2024-06-17

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

375 Meters x 375 Meters HDF-EOS5
VIIRS/NPP Snow Cover Daily L3 Global 375m SIN Grid V002 2 SUOMI-NPP VIIRS 2012-01-19 to Present

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

375 Meters x 375 Meters HDF-EOS5
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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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