GPM SSMIS F19: Daily Global Precipitation Estimates from Satellite Radiometers

Version 07 climate-reference precipitation data from the Global Precipitation Measurement mission's SSMIS sensor. This product uses homogeneous ECMWF-Interim reanalysis data for surface and atmospheric conditions to ensure consistency for climate studies. NASA provides global daily gridded precipitation averages at 0.25-degree resolution based on microwave sensor retrievals sensitive to liquid and ice-phase hydrometeors.

Use Cases

• Analyzing long-term global precipitation trends based on climate-referenced satellite retrievals
• Validating climate model precipitation outputs against homogeneous observational data
• Studiating atmospheric water vapor and hydrometeor distribution from microwave sensor sensitivity
• Investigating regional climate variability using daily gridded precipitation averages

Strengths

• Climate-consistent data series using homogeneous ECMWF-Interim reanalysis ancillary data
• Global coverage at a 0.25-degree spatial resolution
• Based on retrievals from high-quality microwave sensors sensitive to precipitation phases

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Ancillary data from ECMWF-Interim has a 2-3 month lag behind regular production
• Row count and specific data volume are unknown, which may limit suitability assessment

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Satellite remote sensing retrievals from the SSMIS sensor on the F19 satellite, processed with the GPROF algorithm.

Time Range

Daily temporal resolution; specific date range is not provided in the input.

Freshness

Last updated 2026-03-13 02:15:20.352311; freshness should be verified

Geography

Global spatial coverage.