GPM_3CMB_TRMM_DAY: Combined Precipitation Estimates from TRMM Satellite (1997-2015)

GPM_3CMB_TRMM_DAY is a NASA precipitation dataset for the TRMM satellite epoch from December 1997 to April 2015. It provides high-resolution, daily surface rainfall rate and vertical distribution estimates at a 0.25x0.25 degree scale, created using GPM algorithms. This dataset serves as a cross-calibration reference for passive microwave radiometers in the TRMM and GPM constellations.

Use Cases

• Cross-calibrating rain rate estimates from passive microwave radiometers based on the dataset's role as a common reference.
• Analyzing instantaneous storm structure based on high-resolution estimates of surface rainfall rate and precipitation vertical distributions.
• Validating climate and weather prediction models based on the consistent, high time-resolution precipitation record.
• Studying long-term precipitation patterns and trends based on the 17-year temporal coverage from 1997 to 2015.

Strengths

• Provides data for a 17-year time range from December 1997 to April 2015.
• Offers high-resolution estimates at a 0.25x0.25 degree spatial scale.
• Created by NASA using GPM algorithms, ensuring authoritative methodology.
• Serves as a single common reference dataset for cross-calibrating satellite rain rate estimates.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data format includes BIN files, which may require specialized tools for processing.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Satellite remote sensing data from the TRMM mission, processed with GPM algorithms.

Time Range

December 1997 to April 2015

Freshness

Last updated 2026-03-13 02:17:30.420923; freshness should be verified.

Geography

Global