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    • GPM Ground Validation Doppler on Wheels (DOW) OLYMPEX

    Metadata Updated: January 15, 2026

    The GPM Ground Validation Doppler on Wheels (DOW) OLYMPEX V2 dataset was obtained by a dual-polarization and dual-frequency X-band mobile radar operated by the Center for Severe Weather Research (CSWR) during the Olympic Mountain Experiment (OLYMPEX) campaign. The DOW was deployed in the Chehalis Valley for the OLYMPEX field campaign with the goal of obtaining radar reflectivity and Doppler velocity observations in order to better understand the orographic enhancement of precipitation during frontal passages over mountain ranges. The DOW radar uses two 250 kW transmitters with a measurement range of roughly 60 km. These data are available in CFradial netCDF-4 format from November 6, 2015 through January 15, 2016.

    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 11, 2025
    Metadata Updated Date January 15, 2026

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 11, 2025
    Metadata Updated Date January 15, 2026
    Publisher NASA/MSFC/GHRC
    Maintainer
    Identifier 10.5067/GPMGV/OLYMPEX/DOW/DATA201
    Data Last Modified 2026-01-13
    Category Earth Science
    Public Access Level public
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id ea03b738-4f22-4117-851c-f5d12ddee4e8
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://search.earthdata.nasa.gov/search?q=gpmdowolyx2
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-124.408,"NorthBoundingCoordinate":48.0271,"EastBoundingCoordinate":-123.331,"SouthBoundingCoordinate":46.9499}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash f8ccb77f454c3b646ca939d3b0b57bca5a0178a1a6a45c4d8622d93112a49b7e
    Source Schema Version 1.1
    Spatial
    Temporal 2015-11-06/2015-11-06

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