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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
Winter westerly disturbance dynamics and precipitation in the western Himalaya and Karakoram: a wave-tracking approach Cannon, Forest, Carvalho, Leila M.V., Jones, Charles, Norris, Jesse Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Rain, Heat Flux, Precipitation Amount
The spatiotemporal structure of precipitation in Indian monsoon depressions Hunt, Kieran M. R., Turner, Andrew G., Parker, David E. Rain, Droplet Size, Precipitation Rate, Radar Reflectivity, Cloud Liquid Water/Ice, Precipitation Amount
Storm-triggered landslides in the Peruvian Andes and implications for topography, carbon cycles, and biodiversity Clark, K. E., West, A. J., Hilton, R. G., Asner, G. P., Quesada, C. A., Silman, M. R., Saatchi, S. S., Farfan-Rios, W., Martin, R. E., Horwath, A. B., Halladay, K., New, M., Malhi, Y. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Differentiating between rain, snow, and glacier contributions to river discharge in the western Himalaya using remote-sensing data and distributed hydrological ... Wulf, Hendrik, Bookhagen, Bodo, Scherler, Dirk Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Brightness temperature simulation of observed precipitation using a three-dimensional radiative transfer model Adams, Ian S., Bettenhausen, Michael H. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Assessment of two techniques to merge ground-based and TRMM rainfall measurements: a case study about Brazilian Amazon Rainforest Mateus, Pedro, Borma, Laura S., da Silva, Ricardo D., Nico, Giovanni, Catalao, Joao Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
An appraisal of precipitation distribution in the high-altitude catchments of the Indus basin Dahri, Zakir Hussain, Ludwig, Fulco, Moors, Eddy, Ahmad, Bashir, Khan, Asif, Kabat, Pavel Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Evaluation of GPM Day-1 IMERG and TMPA Version-7 legacy products over Mainland China at multiple spatiotemporal scales Tang, Guoqiang, Ma, Yingzhao, Long, Di, Zhong, Lingzhi, Hong, Yang Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Maritime Continent rainfall variability during the TRMM era: The role of monsoon, topography and El Nino Modoki As-syakur, Abd. Rahman, Osawa, Takahiro, Miura, Fusanori, Nuarsa, I. Wayan, Ekayanti, Ni Wayan, Dharma, I. Gusti Bagus Sila, Adnyana, I. Wayan Sandi, Arthana, I. Wayan, Tanaka, Tasuku Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Spatially explicit analysis of field inventories for national forest carbon monitoring Marvin, David C., Asner, Gregory P. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Glaciers and monsoon systems Bookhagen, Bodo Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Role of climate and vegetation density in modulating denudation rates in the Himalaya Olen, Stephanie M., Bookhagen, Bodo, Strecker, Manfred R. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Predictive uncertainty estimation on a precipitation and temperature reanalysis ensemble for Shigar Basin, Central Karakoram Reggiani, Paolo, Coccia, Gabriele, Mukhopadhyay, Biswajit Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Regional groundwater flow and accumulation of a massive evaporite deposit at the margin of the Chilean Altiplano Corenthal, Lilly G., Boutt, David F., Hynek, Scott A., Munk, Lee Ann Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
On the quantification of atmospheric rivers precipitation from space: Composite assessments and case studies over the eastern North Pacific Ocean and the ... Behrangi, Ali, Guan, Bin, Neiman, Paul J., Schreier, Mathias, Lambrigtsen, Bjorn Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Spatial and temporal characteristics of rainfall in Africa: Summary statistics for temporal downscaling Kaptue, Armel T., Hanan, Niall P., Prihodko, Lara, Ramirez, Jorge A. Precipitation Rate, Rain, Precipitation Amount, Cloud Liquid Water/Ice
Andean growth and monsoon winds drive landscape evolution at SW margin of South America Coudurier-Curveur, Aurelie, Lacassin, Robin, Armijo, Rolando Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
A global satellite-assisted precipitation climatology Funk, C., Verdin, A., Michaelsen, J., Peterson, P., Pedreros, D., Husak, G. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Evaluation of remotely sensed precipitation and its performance for streamflow simulations in basins of the southeast Tibetan Plateau Wang, Sheng, Liu, Suxia, Mo, Xingguo, Peng, Bin, Qiu, Jianxiu, Li, Mingxin, Liu, Changming, Wang, Zhonggen, Bauer-Gottwein, Peter Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Sensitivity of PAZ LEO polarimetric GNSS radio-occultation experiment to precipitation events Cardellach, Estel, Tomas, Sergio, Oliveras, Santi, Padulles, Ramon, Rius, Antonio, de la Torre-Juarez, Manuel, Turk, Francis Joseph, Ao, Chi O., Kursinski, E. Robert, Schreiner, Bill, Ector, Dave, Cucurull, Lidia Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Spatial patterns in glacier characteristics and area changes from 1962 to 2006 in the KanchenjungaSikkim area, eastern Himalaya Racoviteanu, A. E., Arnaud, Y., Williams, M. W., Manley, W. F. Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
Multi-annual variations in winter westerly disturbance activity affecting the Himalaya Cannon, Forest, Carvalho, Leila M. V., Jones, Charles, Bookhagen, Bodo Condensation, Evaporation, Sublimation, Cloud Liquid Water/Ice, Cloud Precipitable Water, Liquid Water Equivalent, Precipitation Rate, Rain, Heat Flux, Precipitation Amount
An update on the oceanic precipitation rate and its zonal distribution in light of advanced observations from space Behrangi, Ali, Stephens, Graeme, Adler, Robert F., Huffman, George J., Lambrigtsen, Bjorn, Lebsock, Matthew Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
A High-resolution Precipitation 2-step mapping Procedure (HiP2P): Development and application to a tropical mountainous area Hunink, J.E., Immerzeel, W.W., Droogers, P. Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
A reflection on the long-term water balance of the Upper Indus Basin Reggiani, P., Rientjes, T. H. M. Total Surface Precipitation Rate, Cloud Liquid Water/Ice, Precipitation Amount, Precipitation Rate
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