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Description
Thirty-one NEXRAD radar sites collected Level II dual-polarization data from January 1 to March 1, 2020, as part of the three-year IMPACTS field campaign targeting Atlantic Coast snowstorms. The dataset contains base meteorological quantities such as radar reflectivity, radial velocity, and differential phase, aimed at improving snowfall prediction models. Files are available in netCDF-4 format, with updates planned for subsequent campaign years.
Use Cases
Analyzing snowband formation mechanisms based on radar reflectivity and velocity data.
Studying snow particle microphysics using dual-polarization variables like differential reflectivity.
Improving snowfall remote sensing interpretation and numerical weather prediction models.
Examining the spatial organization and evolution of winter storms across the U.S. Atlantic Coast.
Strengths
Contains data from 31 specific NEXRAD radar sites, providing multi-site coverage.
Captures a focused two-month period during a targeted, multi-year scientific field campaign (IMPACTS).
Includes dual-polarization base data quantities, which are critical for advanced meteorological analysis.
Limitations
Specific column names and dataset size (rows, file size) are not provided in any source.
Conflicting 'last updated' dates exist between platforms (2026-04-10 on datagov vs. 2020-03-01 on nasa_earthdata).
The license is ambiguously listed as 'other-license-specified' without further details.
Provenance
Source
National Aeronautics and Space Administration
Collection Method
Collected via Weather Surveillance Radar-1988 Doppler (WSR-88D) or NEXRAD sites during the IMPACTS field campaign.
Time Range
January 1, 2020 to March 1, 2020
Freshness
2026-04-10 01:51:48.446247
Geography
Data collected at 31 NEXRAD sites, with a study focus on snowstorms over the U.S. Atlantic Coast.
License is listed as 'other-license-specified'; users should verify specific terms. The dataset is noted to be updated in subsequent years of the IMPACTS campaign.