Near Real-Time Global Precipitation from the Global Precipitation Measurement Constellation

  • Released Tuesday, March 31, 2015
  • Last updated Friday, November 14, 2025 at 7:20 PM EST
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An animation of the most currently available global precipitation data from IMERG.

The Global Precipitation Measurement (GPM) mission produces NASA's most comprehensive global rain and snowfall product to date, called the Integrated Multi-satellite Retrievals for GPM (IMERG). It is computed using data from the GPM constellation of satellites — a network of international satellites that currently includes the GPM Core Observatory, GCOM-W1, NOAA-18, NOAA-19, DMSP F-16, DMSP F-17, DMSP F-18, Metop-A, and Metop-B. The global IMERG dataset provides precipitation rates for the entire world every 30 minutes. Although the process to create the combined dataset is intensive, the GPM team creates a preliminary, near-real-time dataset of precipitation within several hours of data acquisition. This visualization shows the most currently available precipitation data from IMERG, depicting how rain and snowstorms move around the planet. As scientists work to understand all the elements of Earth's climate and weather systems, and how they could change in the future, GPM provides a major step forward in providing comprehensive and consistent measurements of precipitation for scientists and a wide variety of user communities.

Colorbar for frozen precipitation

Colorbar for frozen precipitation

Color bar for liquid precipitation

Color bar for liquid precipitation

An image of the most currently available global precipitation data from IMERG.

An image of the most currently available global precipitation data from IMERG.

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NASA's Scientific Visualization Studio.

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This page was originally published on Tuesday, March 31, 2015.
This page was last updated on Friday, November 14, 2025 at 7:20 PM EST.