{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "undefined", "hasEmail": "mailto:support-ghrc@earthdata.nasa.gov"}, "description": "The Advanced Vertical Atmospheric Profiling System (AVAPS) IMPACTS dataset consists of vertical atmospheric profile measurements collected by the Advanced Vertical Atmospheric Profiling System (AVAPS) dropsondes released from the NASA P-3 aircraft during the Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) field campaign. IMPACTS was a three-year sequence of winter season deployments conducted to study snowstorms over the U.S Atlantic Coast (2020-2023). The campaign aimed to (1) Provide observations critical to understanding the mechanisms of snowband formation, organization, and evolution; (2) Examine how the microphysical characteristics and likely growth mechanisms of snow particles vary across snowbands; and (3) Improve snowfall remote sensing interpretation and modeling to significantly advance prediction capabilities. AVAPS uses a Global Positioning System (GPS) dropsonde to measure atmospheric state parameters (temperature, humidity, wind speed/direction, pressure) and location in 3-dimensional space during the dropsonde\u2019s descent. The AVAPS dataset files are available from January 12, 2020 through February 25, 2022 in ASCII-ict format.", "distribution": [{"@type": "dcat:Distribution", "description": "Search results for publications that cite this dataset by its DOI.", "downloadURL": "https://scholar.google.com/scholar?q=10.5067%2FIMPACTS%2FAVAPS%2FDATA101", "format": "HTML", "mediaType": "text/html", "title": "Google Scholar search results"}, {"@type": "dcat:Distribution", "description": "Files may be downloaded directly to your workstation from this link", "downloadURL": "https://search.earthdata.nasa.gov/portal/ghrc/search?q=avapsimpacts&ghrccloud%2Fdata%2F=", "format": "HTML", "mediaType": "text/html", "title": "Download this dataset"}, {"@type": "dcat:Distribution", "description": "NCAR Airborne Vertical Atmospheric Profiling System (AVAPS)", "downloadURL": "https://www.eol.ucar.edu/observing_facilities/avaps-dropsonde-system", "format": "HTML", "mediaType": "text/html", "title": "View documentation related to this dataset"}, {"@type": "dcat:Distribution", "description": "What is a Dropsonde?", "downloadURL": "https://www.eol.ucar.edu/content/what-dropsonde", "format": "HTML", "mediaType": "text/html", "title": "View documentation related to this dataset"}, {"@type": "dcat:Distribution", "description": "IMPACTS Field Campaign Collection DOI", "downloadURL": "http://dx.doi.org/10.5067/IMPACTS/DATA101", "format": "HTML", "mediaType": "text/html", "title": "View information related to this dataset"}, {"@type": "dcat:Distribution", "description": "IMPACTS Field Campaign Information", "downloadURL": "https://espo.nasa.gov/impacts/content/IMPACTS", "format": "HTML", "mediaType": "text/html", "title": "View information related to this dataset"}, {"@type": "dcat:Distribution", "description": "The guide document contains detailed information about the dataset", "downloadURL": "https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/impacts/AVAPS/doc/avapsimpacts_dataset.pdf", "format": "PDF", "mediaType": "application/pdf", "title": "View documentation related to this dataset"}, {"@type": "dcat:Distribution", "description": "The NCAR GPS Dropwindsonde", "downloadURL": "https://doi.org/10.1175/1520-0477(1999)080%3C0407:TNGD%3E2.0.CO;2", "format": "HTML", "mediaType": "text/html", "title": "View this dataset's publications"}, {"@type": "dcat:Distribution", "description": "Chasing Snowstorms: The Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms (IMPACTS) Campaign", "downloadURL": "https://doi.org/10.1175/BAMS-D-20-0246.1", "format": "HTML", "mediaType": "text/html", "title": "View this dataset's publications"}, {"@type": "dcat:Distribution", "description": "Investigation of Microphysics and Precipitation for Atlantic Coast Threatening Snowstorms (Impacts): The 2022 Deployment", "downloadURL": "https://doi.org/10.1109/IGARSS46834.2022.9883693", "format": "HTML", "mediaType": "text/html", "title": "View this dataset's publications"}, {"@type": "dcat:Distribution", "description": "IMPACTS Field Campaign Project Home Page", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/field-campaigns/impacts", "format": "HTML", "mediaType": "text/html", "title": "The dataset's project home page"}, {"@type": "dcat:Distribution", "description": "IMPACTS Field Campaign Micro Article", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/micro-articles/investigation-microphysics-and-precipitation-atlantic-coast-threatening-snowstorms", "format": "HTML", "mediaType": "text/html", "title": "View a micro article on this dataset"}, {"@type": "dcat:Distribution", "description": "Instructions for citing GHRC data", "downloadURL": "https://ghrc.nsstc.nasa.gov/home/about-ghrc/citing-ghrc-daac-data", "format": "HTML", "mediaType": "text/html", "title": "View documentation related to this dataset"}], "identifier": "C2004708338-GHRC_DAAC", "issued": "2022-03-23", "keyword": ["atmosphere", "atmospheric-pressure", "atmospheric-temperature", "atmospheric-water-vapor", "atmospheric-winds", "earth-science"], "landingPage": "https://doi.org/10.5067/IMPACTS/AVAPS/DATA101", "language": ["en-US"], "modified": "2025-07-17", "programCode": ["026:001"], "publisher": {"@type": "org:Organization", "name": "NASA/MSFC/GHRC"}, "spatial": "-77.8148 33.5415 -65.44 44.1677", "temporal": "2020-01-12T21:04:13Z/2022-02-25T18:43:40Z", "theme": ["IMPACTS", "geospatial"], "title": "Advanced Vertical Atmospheric Profiling System Dropsondes (AVAPS) IMPACTS V1"}