The Third NASA/JAXA International TRMM Science Conference

Las Vegas, Nevada

February 4-8, 2008

Monday, February 4, 2008

Session 1: Opening (Session Chair: R. Kakar)

8:45-9:00 R. Kakar Welcoming, TRMM Update 

9:00-9:30 Perspectives on TRMM (Drs. Fugono, Tilford, Theon, Thiele, Simpson )

9:30-9:50 J. Kaye

9:50-10:10 H. Kozawa

10:10-10:30 Break

Session 2: Products (Session Chair: R. Adler)

10:30-10:50 R. Oki TRMM and GPM research activities in Japan 

10:50-11:10 E. Stocker NEW TSDIS: Differences in the system and services

11:10-11:30 K. Okamoto High Precision and High Resolution Global Precipitation Map from Satellite Data

11:30-11:50 A. Sumi Impacts of TRMM Sciences to Climate Research in Japan G. 

11:50-12:10 V. Chandrasekar Hybrid Neural Network Based Rainfall Map for Global Precipitation Mapping as well as Ground Validation during TRMM

12:10-1:30 Lunch

1:30-3:30 Poster 1+Break

Begkhuntod, P. Towards A New Flood Forecasting System For The Lower Mekong River Basin

Bennett, W. An Evaluation of Regional and Global Water Balance using TRMM Rainfall Data

Bilanow, S. TRMM Coincidence with Other Satellites

Bolvin, D. A Framework for the Assessment of High Latitude Satellite-Based Precipitation Estimates using Ground Observations

Dai, A. Precipitation Frequency and Intensity and their Dependence on Resolution in Satellite Observations and Climate Models

Diatta, S. Statistics of vertical profiles of space-based rain and evaporation budget estimates in West Africa using TRMM precipitation radar data

Feidas, H. Comparison of TRMM climate rainfall products and gauge observations over Greece

Fisher, B. Statistical Error Decomposition of TRMM Sampling and Retrieval Errors over Two Ground Validation Sites: Kwajalein and Melbourne, Florida

Funk, C. Daily Rainfall Distribution Analysis and Bias Reduction Using High-Resolution Climatologies with 3B40RT and 3B41RT

Gentemann, C. Validation of TMI Microwave SSTs

Hsu, K. Merging Satellite-based Precipitation Estimates for Watershed Hydrologic Simulation

Hsu, S. Using TRMM Measurements To Validate The Operational GOES Infrared Rainfall Estimation Technique: A Case Study

Jackson, T.J. Soil moisture mapping and flood monitoring using TMI during CLASIC 

Jin, K.-W. Climatic Variability of the Land Surface Water Budget from TMI and AMSR-E Combined Observations

Kachi, M. Near-real-time System of Global Precipitation Map from Satellite Data

Kamiguchi, K. Evaluation of GCM-simulated precipitation using the TRMM data

Krajewski, W. Towards Improved Validation of Satellite Rainfall: Leveraging New Research Resources

Larson, B. Validation of the NWS Stage IV Multi-Sensor Precipitation Estimates (MPE) in the Mid-Atlantic Region 

Liu, Z. Online visualization and analysis of NASA QuikSCAT and TRMM daily products

Long, D. Use of TRMM PR measurements to validate high resolution QuikSCAT rain estimates

Motoyama, T. Comparison of heating rate profiles in the JMA 1-month ensemble forecasts with the JRA-25 and TRMM data

Murthi, A. Validation of Global and Regional Simulations of Precipitation using Satellite Precipitation Data

Nikolopoulos, E. The Use of Remotely Sensed Rainfall to Predict Floods in Mountainous Basins

Papadopoulos, A. Using Satellite Data-Forced Land Surface Parameters to Improve Convective Precipitation Forecasts

Petersen, W. TRMM and Ground-Based Multi-Platform Studies of Precipitation in the Southeastern U.S.

Rui, H. Climatology Characterization of TRMM Precipitation Water Vertical Structure

Shige, S. On the Use of Microwave Sounder Data for High-Temporal Rainfall Maps based on Microwave Radiometers

Stephen, H. TRMM Precipitation Radar and Microwave Imager Data Fusion for Soil Moisture Monitoring over Little River Watershed

Stocker, E. Transition from the TRMM Science Data Information System (TSDIS) to the Precipitation Processing System (PPS)

Su, F. Hydrological evaluation of satellite precipitation products – toward global real-time flood forecasting

Takayabu, Y. Three-Dimensional Distributions of Tropical and Subtropical Latent Heating Obtained from the SLH Algorithm 

Tapia Silva, F. O. Comparison of TRMM rainfall estimates against rain gauge measurements for an extreme rainfall event (Hurricane Stan) in states of southeast Mexico

Teng, W. Anatomy of TRMM Science Data Support and Services at the NASA GES DISC: The past 10 years and a look ahead to GPM

Tobin, K. Applying NEXRAD and TRMM-Estimated Precipitation Data to Hydrological Modeling of the Middle Rio Grande Basin, South Texas and Northern Mexico

Ushio, T. Mapping of global precipitation with satellite-born microwave and infrared radiometer using Kalman filter

Wolff, D. Comparison of TRMM Ground Validation with Satellite-Based Precipitation Estimates

Wu, Q. Atmospheric Response to Atlantic Tropical Instability Waves in CAM3

Yang, C. Simulation of recent extreme hydrologic events with TRMM satellite precipitation data in the Huaihe River basin

Zeweldi, D. Evaluating Satellite Rainfall Products for Hydrological Applications  

Zhou, Y. Evaluating Cloud-Resolving Model with High-Resolution Satellite Observations of Cloud and Precipitation

Session 3: Validation (Session Chair: D. Wolfe)

3:30-3:50 E. Amitai Satellite and Ground-based Estimates of Instantaneous Rainfall Intensities 

3:50-4:10 E. Anagnostou       Comparison of four real-time global satellite rainfall products over the United States against WSR-88D radar rainfall data

4:10-4:30 T. N. Krishnamurti Use of a dense rain gauge network over India for improving blended TRMM products and downscaled weather models

4:30-4:50 W. Krajewski     Towards Improved Validation of Satellite Rainfall: Leveraging New  Research Resources

4:50-5:10 T. Tanaka Comparison of PR observed rainfall with ground-based data

5:10-5:30 C. Peters-Lidard Errors in Satellite-based Precipitation Estimates Over Land

6:00 Reception

Tuesday, February 5, 2008

Session 4: Tropical Cyclones (1) (Session Chair: T. Nakazawa)

8:30-8:50 D. Cecil Comparison of TRMM Rain Rate Retrievals in Tropical Cyclones

8:50-9:10 D. Khajonrat Comprehensive study of 107 tropical storms as observed by TRMM

9:10-9:30 D. Hence The Three-Dimensional Reflectivity Structure of Atlantic Hurricanes as seen by the TRMM Precipitation Radar

9:30-9:50 H. Jiang Effects of Environmental Moisture on Tropical Cyclone Precipitation: Land/Ocean Difference

9:50-10:10 W. Lewis TRMM and its impact on TC simulations

10:10-10:30 Break

Session 5: Tropical Cyclones (2) (Session Chair: D. Cecil)

10:30-10:50 J. Molinari Precipitation Structure During Tropical Cyclone Formation

10:50-11:10 R. Rogers Reflectivity statistics in tropical cyclone eyewall, rainband, and stratiform regions derived using TRMM PR 

11:10-11:30 R. Sriver Applying TMI retrievals of sea surface temperature and surface winds to understanding tropical cyclone-induced climatic feedbacks

11:30-11:50 W. Lau Rainfall extremes, tropical cyclones and climate change

11:50-12:10 J. Brun Mapping the History of Environmental Impacts of Land-Falling Hurricanes in the Southeastern United States – A demonstration for Isabel.

12:10-1:30 Lunch

1:30-3:30 Poster 2+Break

Ahmad, K. Estimation of Oceanic Rainfall using Passive and Active Retrievals from QuikSCAT 

Awaka, J. Rain type classification algorithm 2A23 and its possible improvement for V7

Braun, S. The Saharan Air Layer and Improved Understanding of Atlantic Hurricane Formation and Intensification: Hope or Hype?

Casey, S. The Frequency of Tropical Precipitating Clouds as Observed by the TRMM PR and ICESat/GLAS

Chokngamwong, R. Development of the Microwave calibrated Infrared Split-window Technique (MIST) for rainfall estimation

DeLonge, M.S. West African Mesoscale Convective Systems

Goodman, S. A Closer Look at the Congo and the Lightning Maximum on Earth

Hernandez, C. A Study of the QBO’s Influence on Lightning Production in the Tropics

Hristova-Veleva, S.     A hurricane information system – developing the framework to study hurricane processes, validate and improve satellite retrievals and model forecasts, develop and implement data assimilation

Iguchi, T. Removing negative biases in rain estimates in 2A25 V6

Inoue, T. Characteristics of deep convection over the eastern tropical Pacific observed by TRMM and GOES-W

Jiang, H. Contribution of tropical cyclones to the global precipitation from 9 years of TRMM data: Regional, seasonal, and interannual variations

Kerns, B. A TRMM Precipitation Feature Climatology of the TCSP and NAMMA Focus Regions

Kida, S. Development of Rain/No-Rain Classification Methods for Microwave Radiometer Observations over Ocean Using 37-GHz emission signature

Knox, R. An Analysis of Cloud and Rainfall Patterns over the Deforested Amazonia using TRMM Observations  

Krajewski, W. A New Paradigm for Statistical Validation of Satellite Precipitation Estimates: Application to a Large Sample of the TMPA 0.25-degree Three Hourly Estimates over Oklahoma

Lau, W. The Observed Cloud and Rainfall Characteristics of the MJO

Li, B. Statistical Tests of Taylor’s Hypothesis: An Application to Precipitation Fields

Lovejoy, S. The space-time scaling of TRMM satellite radar, visible, infrared and microwave radiances from 20,000 to 5 km 

Marks, D. Improving Radar Stability and Quantitative Rainfall Estimation:  A Practical Application of the Relative Calibration Adjustment Technique at Kwajalein Atoll

Mehta, A. Propagation of Precipitation over Southeastern Mediterranean Basin Produced by Mesoscale Storms

Nakagawa, K. Validation of TRMM/PR Measurements by use of COBRA

Nakano, F. On the parameterization of the electrical feature of the thundercloud in typhoon

Rustemeier, E. Snow Size Distribution Measurements in Southern Ontario, Canada

Salami, T. West African weather systems in the development of tropical cyclones

Seo, E.-K. How TRMM Precipitation Radar and Microwave Imager Retrieved Rain Rates Differ

Shige, S. Validation of west and east Pacific rainfall estimates from the TRMM PR using a radiative transfer model

Short, D. Interpreting Spaceborne Radar Observations of Shallow Convection with a Rain Cell Model

Smith, J. Extreme Rainfall and Flooding in Texas

Soden, B. Atmospheric Moistening and the Amplification of Precipitation Extremes

Takahashi, N. Evaluation of the standard algorithms for TRMM/PR

Tanaka, T. Two-frequency observations of rainfall

Tsoen-hei Har, E. Relationship between lightning and rainfall over Hong Kong and vicinity

Wang, J. Do Clouds Follow Deforestation over the Amazon?

Wang, J. Estimating Rain Rates from Tipping-Bucket Rain Gauge Measurements

Wang, J.-J. Tropical Rainfall-Surface Temperature Relations Using TRMM Precipitation Data

Wilheit, T. Use of TMI as a radiometric calibration transfer standard

Williams, C. Collaborative Precipitation Studies between NOAA and NASA using Profiler and Surface Disdrometer Observations at Wallops Island

Xu, W. Study of Climatology of Precipitation and Convection over the East Asian  Monsoon region using TRMM Precipitation Features      

Yokoyama, C. A statistical study on rain characteristics of tropical cyclones using TRMM satellite data

Session 6: Hydrology/Floods/Landslides (Session Chair: G. Huffman)

3:30-3:50 E. Foufoula Multi-Scale Variability of Orographic Precipitation and Topographic Attributes: Application to GPM Rainfall Downscaling 

3:50-4:10 W. S. Han Use of TRMM Precipitation Data to Investigate Urbanization and Climate Effects on River Basin Scale Water Cycle

4:10-4:30 H. Stephen Lower Colorado River Basin Drought Signatures in the TRMM Precipitation Radar and Microwave Imager Observations

4:30-4:50 A. Barros A High-Resolution Integrated Modeling and Observational Network of Orographic Precipitation Processes and Hydrological Response in the Southeast Appalachians

4:50-5:10 Y. Hong Development of a Prototype Global Flood/Landslide Prediction System

5:10-5:30 D. Bach Comparison of a Global Landslide Event Inventory to a Satellite-based Landslide Algorithm

Wednesday, February 6, 2008

Session 7: Algorithms (1) (Session Chair: S. Yuter)

8:30-8:50 T. Iguchi Basic structure of the 2A25 algorithm and its improvement for V7

8:50-9:10 R. Meneghini     Use of dual-wavelength radar data to assess single-wavelength radar methods

9:10-9:30 R. Joyce Kalman filter approach to CMORPH: a skill and error assessment of instantaneous and propagated passive microwave estimated rainfall

9:30-9:50 S. Shimizu (R. Oki) Evaluation of rain rate change after an orbit boost of TRMM satellite

9:50-10:10 E. Nelkin Developing an AIRS-based Precipitation Algorithm for High-Latitude Application in Preparation for the GPM Era

10:10-10:30 Break

Session 8: Algorithms (2) (Session Chair: W. Berg)

10:30-10:50 C. Gentemann     Global 9-km multi-satellite, multi-sensor sea surface temperatures from MODIS, AMSR-E, and TMI

10:50-11:10 Y. Tian Determining Error Sources in Satellite-based Precipitation Estimates

11:10-11:30 R. Ferraro The 2A12 Land Rain Rate Algorithm: Current Status and Plans for Future Improvement

11:30-11:50 K.-L. Hsu An Empirical Satellite-Based Cloud Development Model for Rainfall Estimation

11:50-12:10 K. Hilburn Passive Microwave Rain Retrieval:  Lessons Learned from TRMM and Applications to GPM

12:10-1:30 Lunch

1:30-3:30 Poster 3+Break

Bringi, V. N. Estimation of X-band attenuation due to wet ice and rain using dual-polarized/dual-frequency radar: A simulation and observational  study using the CP-2 radar with implications for TRMM PR 2A25 retrievals

Cecil, D. Analyzing Extreme Thunderstorms and Their Environments

Ciach, G. Investigating Uncertainties in rainfall DSD Measurements Using Five Collocated Laser Precipitation Monitors

Curtis, S. Advancing Our Understanding of the Caribbean Mid-Summer Drought with TRMM and QuikSCAT

Durkee, J. The contribution of mesoscale convective complexes to the hydroclimate of subtropical South America

Gebremichael, M. Scaling of Tropical Rainfall as Observed by TRMM Precipitation Radar

Gu, G. Satellite-Observed Seasonal-Subseasonal Rainfall Variations in Tropical East Atlantic-West Africa

Haddad, Z. Vertical profiling of precipitation with passive microwaves over mid-latitudes

Hartmann, P. Spatial and Temporal Variability of Z-R relations 

Hong, L. Radiometric Cross-Calibration between AMSR and WindSat – A GPM Case Study 

Ji, Y. Interannual Variability of the MJO and its Relationship to ENSO

Kang, D. H. Using WRF technology to characterize the Space-Time Variability of the Radiometric Signature of Snow -  System Testing under Laboratory Conditions

Kubota, T. Development of nonuniform beamfilling correction method for passive microwave rainfall retrievals using TRMM observations

Kucera, P. Satellite and Surface Observations of Rainfall Characteristics in West Africa

Kummerow, C. NASA PMM DSD Working Group: A Status Report

Kuo, K.-S. Use of 94 GHz CPR Reflectivities to Broaden 13.8 GHz PR Reflectivity Spectrum Based on Coincident CloudSat-TRMM Orbit Crossings

Liao, L. Simulations of Radar Bright Band for Ku, Ka and W Band Radars

Liu, G. Horizontal and vertical structures of precipitation observed by TRMM PR: Variability and implications to rain retrievals

Lyu, J. C.-H. Ten Years of TRMM/VIRS On-Orbit Calibrations and Multi-Year Comparisons of VIRS and MODIS

Masuda, K. Accurate retrieval of cirrus cloud properties from satellite measurements

Matsui, T. Development of the Goddard Weather Research and Forecasting Model coupled with the Satellite Data Simulation Unit over Canadian CloudSat/CALIPSO Validation Project (C3VP) site

Miller, M. Spurious precipitation in TMI retrievals within marine stratus

Morales, C. Evaluation of TRMM Rainfall Estimation Retrievals in Brazil

Prat, O. Combining radar profiler observations and a microphysical model to improve the estimation of the vertical structure of precipitation and surface rain rates 

Robertson, F. Relationships Between TRMM Precipitation and Upper-Tropospheric Hydrometeors as Seen From AMSU-B/MHS and A-Train Sensors

Roca, R. Composite Life Cycle of Monsoonal Convective Systems using TRMM and METEOSAT observations

Rutledge, S. Contrasting tropical rainfall regimes using TRMM and ground-based polarimetric radar

Ryu, G.-H. Impact of GPROF Database on TRMM TMI Retrievals of Precipitation over Korean Peninsula

Salahuddin, A. Seasonal and Intra-seasonal Variability of Mesoscale Convective Systems over the Indo-Pacific Region using TRMM

Schumacher, C. Tropical cloud heating profiles: Analysis from KWAJEX

Shrestha, P. Understanding the effect of cloud microphysical schemes in the spatial distribution of orographic rainfall in a coupled land-cloud model

Smith, E. Contrasts Between Continental & Maritime Precipitation Processes within Mediterranean Basin

Tanelli, S. Dual-Frequency Cloud and Precipitation Retrievals from the Airborne Dual-Frequency Precipitation Radar (APR-2) Measurements

Tian, L. Inter-comparison of airborne W- and X- band radar measurements: Implications for light rain retrieval from CloudSat and GPM

Tokay, A. Raindrop Size Distribution Measurements in Florida and Kwajalein  

Varble, A. "Hot Towers" and Mesoscale Convective Systems in the Vicinity of Darwin, Australia

Wall, C. Characteristics of Precipitation in Mountainous Terrain Using the TRMM Precipitation Feature (PF) Database

Wuensch, S. Analysis of Heavy & Extreme Precipitation in the Carolinas: TRMM & Gauge Data 1998 – 2006

Yuter, S. Joint Variability of Airborne Passive Microwave and Ground-based Radar Observations Obtained in the TRMM Kwajalein Experiment

Session 9: Microphysics (Session Chair: R. Rogers)

3:30-3:50 W. Berg Evidence for the Impact of Aerosols on the Onset and Microphysical Properties of Rainfall Using Coincident Observations from TRMM and CloudSat

3:50-4:10 D. Kingsmill Variability of graupel and ice crystal aggregates observed by aircraft during TRMM KWAJEX

4:10-4:30 M. Han An Evaluation of the Microphysical Parameterizations in the MM5 Mesoscale Model Using TRMM Measurements

4:30-4:50 X. Li Validation of Microphysical Schemes in a CRM Using the TRMM Satellite

4:50-5:10 A. Rapp On the Effects of Warm Rain Clouds in the Tropics

5:10-5:30 C. Williams Profiler DSD Estimates and Uncertainties Retrieved using Ensemble Statistics and Optimal Estimation Theory

6:30 Banquet

Speaker: Dr. Arthur Hou, GPM Project Scientist

Thursday, February 7, 2008

Session 10: Climate (1) (Session Chair: E. Zipser)

8:30-8:50 Huffman Recent Developments For The TRMM Multi-Satellite Precipitation Analysis

8:50-9:10 S. Curtis The Climate-Weather Connection: Examples from TRMM

9:10-9:30 R. Adler A Ten-Year Tropical Rainfall Climatology Based on a Composite of TRMM Products

9:30-9:50 M. Shepherd TRMM Signatures of Urban-Induced Rainfall Anomalies: Revisiting the “5 Cities Study”

9:50-10:10 T. Nakazawa Interannual Variation or Effect of the Boost in TRMM 3A25 Data?

10:10-10:30 Break

Session 11: Climate (2) (Session Chair: S. Curtis)

10:30-10:50 E. Zipser Seasonal Cycles of Precipitation from the 10-year record: Time Series and Regional Differences 

10:50-11:10 C. Liu The importance of the “warm rain” contribution to tropical precipitation based on 9 years of TRMM statistics 

11:10-11:30 S. Nesbitt High-resolution precipitation and climatologies from TRMM: How high can we go?

11:30-11:50 E. Smith Variability of Indian Summer Monsoon Rainfall

11:50-12:10 X. Lin       Rain frequency distributions as derived from 10-year TRMM data

12:10-1:30 Lunch

Session 12: Latent Heating (Session Chair: T. Iguchi)

1:30-1:50 S. Hagos Uncertainties in latent heating profile estimates over the global tropics

1:50-2:10 W. Olson Global Applications of Remotely-Sensed Latent Heating Distributions from a PR-Trained Radiometer Algorithm

2:10-2:30 S. Shige The status of the spectral latent heating (SLH) algorithm and comparisons of lookup tables from two- and three-dimensional simulations

2:30-2:50 W.-K. Tao TRMM Latent Heating Inter-comparison and Validation Project

2:50-3:10 C. Zhang Low-Level Latent Heating in the Tropics

3:10-3:30 Break

Session 13: Retrievals (Session Chair: W. Olson)

3:30-3:50 M. Grecu (W. Olson) TRMM combined radar-radiometer precipitation retrievals over land to support the development of satellite radiometer- (and sounder-) only retrieval algorithms

3:50-4:10 S. Hristova-Veleva Improving Scatterometer Winds in Rain Using a New Passive Microwave Rain Retrieval with an Observations-Based Parameterization of Sub-Satellite Rain Variability 

4:10-4:30 Y. Iida Estimation of sampling error and retrieval error of monthly average rainfall rate observed by TRMM/PR

4:30-4:50 T. Kobayashi   Retrieval of cloud-precipitation characteristics by a combined radar and visible/IR scanner technique

4:50-5:10 W.-Y. Leung (G. Tripoli) Potential Reduction of Uncertainty in Precipitation Retrieval by the Inclusion of Dynamic and Thermodynamic Constraints

5:10-5:30 T. Wilheit The Use of the TRMM-PR for Refinement of Microwave Radiometric Rainfall Algorithms

Friday, February 8, 2008

Session 14: Rain/clouds (1) (Session Chair: T. L’Ecuyer)

8:30-8:50 T. Bell     New Results on the "Weekend Effect" for Summer Precipitation over the Eastern U.S

8:50-9:10 G. Heymsfield     Relation Between Reflectivity and Updraft Structure Obtained From Airborne Studies of Deep Tropical Convection: Implications for TRMM and GPM

9:10-9:30 M. Hirose Climatology of diurnal variations of precipitation systems

9:30-9:50 C. Holder (S. Yuter) The mesoscale characteristics of tropical oceanic precipitation near Kwajalein during Kelvin and mixed Rossby-gravity wave events

9:50-10:10 R. Johnson Diurnal cycle of convection over the northern South China Sea derived from TRMM PR data

10:10-10:30 Break

Session 15: Rain/clouds (2) (Session Chair: G. Heymsfield)

10:30-10:50 T. L'Ecuyer A Comparison of Light Rainfall Statistics from TRMM and CloudSat

10:50-11:10 J. Cetrone Tropical mesoscale convective systems as seen by TRMM, CloudSat, and CALIPSO

11:10-11:30 T. Liu     Precipitation Signature of Mid-latitude Ocean Fronts High in the Troposphere(withdrawn)

11:30-11:50 G. L. Liberti A TRMM-based analysis on tropospheric dryness and clouds over tropical Indian Ocean

11:50-12:10 S. Yoshida (T. Morimoto) ENSO and convective activities in Southeast Asia and the western Pacific 

12:30 Adjourn