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NOAA Soundings IMPACTS V1

Published by NASA/MSFC/GHRC | National Aeronautics and Space Administration | Catalog Last Checked: June 30, 2026 at 10:13 PM | Dataset Last Updated: July 17, 2025
The NOAA Soundings IMPACTS dataset was collected from January 1, 2020 through February 29, 2020 during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. The goal of IMPACTS was to provide observations critical to understanding the mechanisms of snowband formation, organization, and evolution, examine how the microphysical characteristics and likely growth mechanisms of snow particles vary across snowbands, and improve snowfall remote sensing interpretation and modeling to significantly advance prediction capabilities. These radiosonde data files include wind direction, dew point temperature, geopotential height, mixing ratio, atmospheric pressure, relative humidity, wind speed, temperature, potential temperature, equivalent potential temperature, and virtual potential temperature measurements at various levels of the troposphere. The data are available in netCDF-4 format.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
[
  "026:00"
]
contactPoint 
{
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  "@type": "vcard:Contact",
  "hasEmail": "mailto:support-ghrc@earthdata.nasa.gov"
}
description The NOAA Soundings IMPACTS dataset was collected from January 1, 2020 through February 29, 2020 during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. The goal of IMPACTS was to provide observations critical to understanding the mechanisms of snowband formation, organization, and evolution, examine how the microphysical characteristics and likely growth mechanisms of snow particles vary across snowbands, and improve snowfall remote sensing interpretation and modeling to significantly advance prediction capabilities. These radiosonde data files include wind direction, dew point temperature, geopotential height, mixing ratio, atmospheric pressure, relative humidity, wind speed, temperature, potential temperature, equivalent potential temperature, and virtual potential temperature measurements at various levels of the troposphere. The data are available in netCDF-4 format.
distribution 
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    "description": "Chasing Snowstorms: The Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) Campaign",
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  {
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    "description": "Investigation of Microphysics and Precipitation for Atlantic Coast Threatening Snowstorms (Impacts): The 2022 Deployment",
    "downloadURL": "https://doi.org/10.1109/IGARSS46834.2022.9883693"
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    "title": "View documentation related to this dataset",
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    "description": "Radiosonde Observations",
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identifier C1995866540-GHRC_DAAC
issued 2022-03-23
keyword 
[
  "altitude",
  "atmosphere",
  "atmospheric-pressure",
  "atmospheric-temperature",
  "atmospheric-water-vapor",
  "atmospheric-winds",
  "earth-science"
]
landingPage https://doi.org/10.5067/IMPACTS/SOUNDING/DATA201
language 
[
  "en-US"
]
modified 2025-07-17
programCode 
[
  "026:001"
]
publisher 
{
  "name": "NASA/MSFC/GHRC",
  "@type": "org:Organization"
}
spatial -93.5747 32.885 -69.9489 44.9175
temporal 2020-01-01T00:00:00Z/2020-02-29T23:59:59Z
theme 
[
  "IMPACTS",
  "geospatial"
]
title NOAA Soundings IMPACTS V1

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