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Description

This is the last version of the TRMM-formatted, in HDF4 format, Combined (Radar-Radiometer) product, which is in a state of permanent preservation. New version that is consistently processed with Global precipitation Measurement (GPM) algorithms, and in a consistent with GPM HDF5 format, is available under short name 'GPM_2BCMB_TRMM'.

The dataset TRMM_2B31 combines data from the TMI and PR to produce the best rain estimate for TRMM. This combined rainfall product is derived from vertical hydrometeor profiles using data from the PR radar and TMI. It also includes computed correlation-corrected, mass-weighted, mean drop diameter and its standard deviation, and latent heating data.

Pre-Boost (before 7 August 2001): Temporal Resolution: 91.5 min/orbit ~ 16 orbits/day; Swath Width: 215 km; Horizontal Resolution: 4.3 km

Post-Boost (after 24 August 2001): Temporal Resolution: 92.5 min/orbit ~ 16 orbits/day; Swath Width: 247 km; Horizontal Resolution: 5.0 km

Product Summary

Platforms
TRMM
Instruments
PR ,
TMI
Spatial Extent

N: 38 S: -38 E: 180 W: -180

Spatial Resolution
5 Kilometers x 5 Kilometers
Location
TROPICS
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1997-12-07 to 2015-04-01
Data Partner
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Terrestrial Information Systems Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/TISL/GESDI
Concept ID
C1282060546-GES_DISC
Data State
COMPLETE
Number of Files/Granules
96828
Processing Level
2
Published
Updated
Science Keywords
Cloud Liquid Water/Ice ,
Precipitation Amount ,
Precipitation Rate

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

NASA Goddard Earth Sciences Data and Information Services Center. (2011). TRMM Combined Precipitation Radar and Microwave Imager Rainfall Profile L2 1.5 hours V7 (TRMM_2B31) at GES DISC [Data set]. NASA Goddard Earth Sciences Data and Information Services Center. https://doi.org/10.5067/RJQ34L8S02R1 Date Accessed: 2026-05-27

Documents

Publications Citing This Dataset

Filters
Title Year Author Topic
Evaluation of TRMM Multisatellite Precipitation Analysis (TMPA) products and their potential hydrological application at an arid and semiarid basin in China Peng, Bin, Shi, Jiancheng, Ni-Meister, Wenge, Zhao, Tianjie, Ji, Dabin Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Satellite-based precipitation estimation and its application for streamflow prediction over mountainous western US basins Behrangi, Ali, Andreadis, Konstantinos, Fisher, Joshua B., Turk, F. Joseph, Granger, Stephanie, Painter, Thomas, Das, Narendra Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Rain, Heat Flux, Precipitation Amount
Potential of pollen and non-pollen palynomorph records from Tso Moriri (Trans-Himalaya, NW India) for reconstructing Holocene limnology and humanenvironmental ... Leipe, Christian, Demske, Dieter, Tarasov, Pavel E., Wunnemann, Bernd, Riedel, Frank Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Dynamic hydrological modeling in drylands with TRMM based rainfall Tarnavsky, Elena, Mulligan, Mark, Ouessar, Mohamed, Faye, Abdoulaye, Black, Emily Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
WaterWorld: a self-parameterising, physically based model for application in data-poor but problem-rich environments globally Mulligan, Mark Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Spatiotemporal trends in erosion rates across a pronounced rainfall gradient: Examples from the southern Central Andes Bookhagen, Bodo, Strecker, Manfred R. Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Estimating climatological bias errors for the Global Precipitation Climatology Project (GPCP) Adler, Robert F., Gu, Guojun, Huffman, George J. Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Rain, Heat Flux, Droplet Size, Radar Reflectivity, Precipitation Amount
Spatial disaggregation and intensity correction of TRMM-based rainfall time series for hydrological applications in dryland catchments Tarnavsky, E., Mulligan, M., Husak, G. Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Precipitation characteristics of the South American monsoon system derived from multiple datasets Carvalho, Leila M. V., Jones, Charles, Posadas, Adolfo N. D., Quiroz, Roberto, Bookhagen, Bodo, Liebmann, Brant Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Rain, Heat Flux, Precipitation Amount
Performance evaluation of the TRMM precipitation estimation using ground-based radars from the GPM validation network Islam, Tanvir, Rico-Ramirez, Miguel A., Han, Dawei, Srivastava, Prashant K., Ishak, Asnor M. Droplet Size, Precipitation Rate, Radar Reflectivity, Cloud Liquid Water/Ice, Precipitation Amount, Radar Backscatter
WRF simulation of a precipitation event over the Tibetan Plateau, Chinaan assessment using remote sensing and ground observations Maussion, F., Scherer, D., Finkelnburg, R., Richters, J., Yang, W., Yao, T. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Climatic forcing on channel profiles in the Eastern Cordillera of the Coroico region, Bolivia Norton, Kevin P. Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Evaluation of precipitation data sets along the Himalayan front Andermann, C., Bonnet, S., Gloaguen, R. Total Surface Precipitation Rate, Droplet Size, Precipitation Rate, Radar Reflectivity, Cloud Liquid Water/Ice, Precipitation Amount, Rain
Toward a complete Himalayan hydrological budget: Spatiotemporal distribution of snowmelt and rainfall and their impact on river discharge Bookhagen, Bodo, Burbank, Douglas W. Droplet Size, Precipitation Rate, Radar Reflectivity, Cloud Liquid Water/Ice, Precipitation Amount
On the relationship between a resource based measure of geodiversity and broad scale biodiversity patterns Parks, K. E., Mulligan, M. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Very high resolution precipitation climatologies from the Tropical Rainfall Measuring Mission precipitation radar Nesbitt, Stephen W., Anders, Alison M. Droplet Size, Precipitation Rate, Radar Reflectivity, Cloud Liquid Water/Ice, Precipitation Amount
The diurnal cycle of clouds and precipitation along the Sierra Madre Occidental observed during NAME-2004: Implications for warm season precipitation ... Nesbitt, Stephen W., Gochis, David J., Lang, Timothy J. Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Rain, Heat Flux, Precipitation Amount
A new merged analysis of precipitation utilizing satellite and reanalysis data Sapiano, M. R. P., Smith, T. M., Arkin, P. A. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Orographic barriers, highresolution TRMM rainfall, and relief variations along the eastern Andes Bookhagen, Bodo, Strecker, Manfred R. Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Vulnerability assessment of rainfall-induced debris flows in Taiwan Lu, George Y., Chiu, Long S., Wong, David W. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Probabilistic and ensemble representations of the uncertainty in an IR/microwave satellite precipitation product Bellerby, Timothy J., Sun, Jizhong Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Selected analyses of TRMM instantaneous rainfall data Stout, J., Kwiatkowski, J. Rain, Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Heat Flux, Droplet Size, Radar Reflectivity, Precipitation Amount
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