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Tools for TRMM products.

The following is a list of data related tools and services that the PDISC provides our users to help them get the most out of our data resources.


This is the next generation of the Geospatial Interactive Online Visualization ANd aNalysis Interface (Giovanni 4).  Users can explore and visualize our data in a redesigned interface with improved performance. (Old instances of Giovanni and TOVAS are discontinued) 


Subset and download TMPA products in ASCII

TRMM Orbit Viewer

The TRMM Orbit Viewer displays full instrument resolution TRMM HDF data, vertical cross sections, and 3-D images of rain structure.

TRMM HDF Read Software

The TRMM HDF read software, which can be downloaded, enables TRMM HDF data to be read in and written out in user-selected SDS arrays and Vdata tables as separate flat binary files.

HDP Read Software

HDF files can also be read using hdp which is supplied by the HDF Group and can be downloaded at

Other Software or Tools

Panoply is a cross-platform application which plots geo-gridded arrays from netCDF, HDF and GRIB datasets.

IDV (the Integrated Data Viewer) from Unidata is a framework for analyzing and displaying geoscience data. Developed using Java, VisAD and other component libraries, the IDV emphasizes interactive 3-Dimensional visualization and integration of diverse data types.

GrADS (the Grid Analysis and Display System) is an interactive desktop tool that is used for easy access, manipulation, and visualization of earth science data.

Sample code and information for IDL, Matlab, ArcGIS can be found here.

ISCCP Convection Colocator

The ISCCP data deep mesoscale convective systems tracking tool is available via the Goddard Institute for Space Studies (GISS).

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Last updated: Feb 04, 2016 06:34 PM ET