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    • GPM Ground Validation KATX NEXRAD OLYMPEX V1

    Metadata Updated: September 19, 2025

    The GPM Ground Validation KATX NEXRAD OLYMPEX dataset contains data from selected NEXt Generation Weather RADar system (NEXRAD) instruments in operation during the Olympic Mountains Experiment (OLYMPEX) field campaign to help support the ground validation of the Global Precipitation Measurement (GPM). NEXRAD is a network of 160 stationary S-Band radars dispersed throughout the United States and select locations abroad. Datasets gathered from three NEXRAD stations, as listed below, extend from 22 September 2015 through 01 May 2016 as part of the GPM Ground Validation OLYMPEX data. This dataset contain browse images of base reflectivity observations in the Portable Network Graphic (PNG) format. Base radar reflectivity is the measure of transmitted power returned to the radar after intercepting a target, for example, rain droplets. This information can illustrate the amount and size distribution of water particles in a given unit volume of atmosphere.

    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 September 19, 2025

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 11, 2025
    Metadata Updated Date September 19, 2025
    Publisher NASA/MSFC/GHRC
    Maintainer
    Identifier 10.5067/GPMGV/OLYMPEX/NEXRAD/DATA101
    Data Last Modified 2025-09-11
    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 9cea71e4-e483-42a8-868c-9c93ecd55c0b
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    Homepage URL https://search.earthdata.nasa.gov/search?q=gpmkatx2olyx
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-123.197,"NorthBoundingCoordinate":49.653,"EastBoundingCoordinate":-121.813,"SouthBoundingCoordinate":48.7357}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash 4257600584dc96243a800a0dd7a62de567ebbb2d046ccc6778fa0bd8273666db
    Source Schema Version 1.1
    Spatial
    Temporal 2015-09-22/2015-09-22

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