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    • VIIRS/SNPP Level-2 Water Vapor Products 6-min Swath 750m

    Metadata Updated: April 8, 2024

    The Suomi NPP VIIRS Water Vapor Products provide total column water vapor (TPW) properties from merged VIIRS infrared measurements and CrIS plus ATMS water vapor soundings to continue the depiction of global moisture at high spatial resolution started with MODIS on the Terra and Aqua platforms. While MODIS has two water vapor channels within the 6.5 μm H2O absorption band and four channels within the 15 micrometer CO2 absorption band, VIIRS has no channels in either IR absorption band. The VNPWATVP algorithm is similar to the MODIS MOD07 synthetic regression algorithm. It uses the three VIIRS longwave IR window bands in a regression relation and adds the NUCAPS (CrIS+ATMS) water vapor product to compensate for the absence of VIIRS water vapor channels. The Level-2 6-minute granule and 750 m spatial resolution VIIRS TPW product file includes the collocated NUCAPS background TPW, the VIIRS-only TPW, and VIIRS+NUCAPS TPW retrievals with quality flags.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date April 8, 2024
    Metadata Updated Date April 8, 2024

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 8, 2024
    Metadata Updated Date April 8, 2024
    Publisher Not provided
    Maintainer
    Identifier C1681179895-LAADS
    Data First Published 2019-12-10
    Language en-US
    Data Last Modified 2019-12-10
    Category Suomi-NPP, geospatial
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.nasa.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Citation NASA VIIRS Atmosphere SIPS. 2020-01-15. VIIRS/SNPP Level-2 Water Vapor Products 6-min Swath 750m. Version 1. MODAPS at NASA/GSFC. Archived by National Aeronautics and Space Administration, U.S. Government, L1 and Atmosphere Archive and Distribution System (LAADS). https://doi.org/10.5067/VIIRS/WATVP_L2_VIIRS_SNPP.001. https://doi.org/10.5067/VIIRS/WATVP_L2_VIIRS_SNPP.001.
    Creator NASA VIIRS Atmosphere SIPS
    Harvest Object Id e6e92e22-020f-42f1-ba5f-092b296e54aa
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://doi.org/10.5067/VIIRS/WATVP_L2_VIIRS_SNPP.001
    Metadata Type geospatial
    Old Spatial -180.0 -90.0 180.0 90.0
    Program Code 026:001
    Release Place MODAPS at NASA/GSFC
    Source Datajson Identifier True
    Source Hash 36cb7519e8c92884d66fa0b65f8b1f453ead47b96af3383d014da67575d2b1e6
    Source Schema Version 1.1
    Spatial
    Temporal 2012-05-01T00:06:00Z/2024-04-08T00:00:00Z

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