NEXRAD Radar Data for Midlatitude Convective Cloud Experiment

Radar observations from the KVNX NEXRAD site were collected for the Midlatitude Continental Convective Clouds Experiment (MC3E) from April 22 to June 6, 2011. This dataset supports the Global Precipitation Measurement (GPM) mission by providing ground validation data to characterize convective systems and improve rainfall retrieval algorithms. The data is provided by NASA as compressed binary files containing radar spectral engineering variables.

Use Cases

• Validating space-based rainfall retrieval algorithms over land using ground radar reflectivity data.
• Providing constraints for model cumulus parameterizations with detailed convective cloud system observations.
• Analyzing the structure and environment of precipitation systems using mean radial velocity and spectrum width.
• Studying the evolution of midlatitude convective storms through a continuous time series of radar imagery.

Strengths

• Data collection was focused during the intensive MC3E field campaign, providing a detailed 46-day snapshot of convective systems.
• Sourced from the operational NEXRAD network, a standardized system of 160 Doppler radars across the United States.
• Includes specific radar spectral engineering variables: reflectivity, mean radial velocity, spectrum width, and imagery.

Limitations

• Key technical details like row count, file size, and specific column structure are not provided by any source.
• The data format is compressed binary, which requires specialized software or libraries for access and analysis.
• Conflicting 'last updated' dates exist between platforms (2011 vs. 2026), suggesting potential metadata inconsistencies.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Collected by the KVNX site of the Next Generation Weather Radar (NEXRAD) network, specifically the WSR 88-D Doppler radar.

Time Range

2011-04-22 to 2011-06-06

Freshness

2026-03-13 02:03:24.136766

Geography

United States (specific location of KVNX radar site)