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Description
Thirty-one NEXRAD radar sites collected Level II dual-polarization data over the U.S. Atlantic Coast from January 1 to March 1, 2020, as part of the three-year IMPACTS field campaign. This dataset contains base meteorological quantities such as radar reflectivity, radial velocity, and differential phase, aimed at studying snowband formation and microphysics. Files are stored in netCDF-4 format and the dataset is planned for updates in subsequent campaign years.
Use Cases
Analyzing snowband organization and evolution based on radar reflectivity and velocity data.
Studying snow particle microphysics and growth mechanisms using dual-polarization variables like differential reflectivity.
Improving remote sensing algorithms and numerical weather prediction models for snowfall.
Conducting spatiotemporal analysis of winter storm events across the 31-site radar network.
Strengths
Data originates from a coordinated, multi-year NASA field campaign (IMPACTS) with specific scientific objectives.
Coverage includes 31 NEXRAD sites over a focused two-month winter period.
Contains six core dual-polarization base data quantities essential for meteorological analysis.
Limitations
Metadata completeness is low: column names, row counts, and exact file sizes are unspecified across all platforms.
There is a conflict in the 'last updated' date between sources (2020-03-01 vs. 2026-04-10), creating uncertainty about data currency.
The license is ambiguously listed as 'other-license-specified' without explicit terms.
Provenance
Source
National Aeronautics and Space Administration (NASA)
Collection Method
Collected via the NEXRAD (WSR-88D) network of weather surveillance radars during the IMPACTS field campaign.
Time Range
2020-01-01 to 2020-03-01
Freshness
2026-04-10 01:59:22.616649
Geography
U.S. Atlantic Coast, from 31 NEXRAD radar sites
License details are not explicitly provided; users should verify terms. The dataset is noted for planned future updates.