GPM Ground Validation KLTX NEXRAD: Radar Reflectivity Images for IPHEx

From May 1 to June 12, 2014, this dataset contains browse images of base reflectivity observations from the KLTX NEXRAD radar during the Integrated Precipitation and Hydrology Experiment (IPHEx). The data supports ground validation for the Global Precipitation Measurement (GPM) mission and evaluation of Quantitative Precipitation Estimation products. It provides information on the amount and size distribution of water particles in the atmosphere over the southeastern United States.

Use Cases

• Validating satellite-based precipitation estimates from GPM using ground-based radar reflectivity observations.
• Evaluating Quantitative Precipitation Estimation (QPE) algorithms for improving hydrologic forecasting models.
• Analyzing the spatial and temporal distribution of precipitation during the IPHEx field campaign.
• Studying the size distribution of water particles in the atmosphere using base reflectivity data.

Strengths

• Provides data from a specific, well-documented field campaign (IPHEx) with a defined time range from May 1 to June 12, 2014.
• Originates from the NEXRAD network, a standardized system of 160 S-Band radars, ensuring consistent data collection methodology.
• Cross-platform presence on datagov and nasa_earthdata signals its importance for the scientific community.

Limitations

• Dataset size, row count, and specific column information are not provided across any source, limiting detailed technical assessment.
• The license is ambiguously listed as 'other-license-specified' on datagov but is 'None' on nasa_earthdata, creating a conflict.
• The data is from a single radar site (KLTX) and a limited six-week period, which may not be representative of long-term or regional patterns.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Data collected by the stationary KLTX NEXRAD S-Band radar instrument during the IPHEx field campaign.

Time Range

May 1, 2014 to June 12, 2014

Freshness

2026-04-10 02:59:00.098556

Geography

Southeastern region of the United States (specific to KLTX radar coverage)