Search Results - "Prat, Olivier P."

PERSIANN-CDR: Daily Precipitation Climate Data Record from Multisatellite Observations for Hydrological and Climate Studies by Ashouri, Hamed, Hsu, Kuo-Lin, Sorooshian, Soroosh, Braithwaite, Dan K., Knapp, Kenneth R., Cecil, L. Dewayne, Nelson, Brian R., Prat, Olivier P.

“…A new retrospective satellite-based precipitation dataset is constructed as a climate data record for hydrological and climate studies. Precipitation…”
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On the Link between Tropical Cyclones and Daily Rainfall Extremes Derived from Global Satellite Observations by Prat, Olivier P., Nelson, Brian R.

“…The authors evaluate the contribution of tropical cyclones (TCs) to daily precipitation extremes over land for TC-active regions around the world. From 1998 to…”
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Mapping the world's tropical cyclone rainfall contribution over land using the TRMM Multi-satellite Precipitation Analysis by Prat, Olivier P., Nelson, Brian R.

“…A study was performed to characterize over land precipitation associated with tropical cyclones (TCs) for basins around the world based upon the International…”
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Confronting the Challenge of Modeling Cloud and Precipitation Microphysics by Morrison, Hugh, Lier‐Walqui, Marcus, Fridlind, Ann M., Grabowski, Wojciech W., Harrington, Jerry Y., Hoose, Corinna, Korolev, Alexei, Kumjian, Matthew R., Milbrandt, Jason A., Pawlowska, Hanna, Posselt, Derek J., Prat, Olivier P., Reimel, Karly J., Shima, Shin‐Ichiro, Diedenhoven, Bastiaan, Xue, Lulin

“…In the atmosphere, microphysics refers to the microscale processes that affect cloud and precipitation particles and is a key linkage among the various…”
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Dual-Polarization Radar Fingerprints of Precipitation Physics: A Review by Kumjian, Matthew R, Reimel, Karly J, Lier-Walqui, Marcus van, Morrison, Hughbert C

“…This article reviews how precipitation microphysics processes are observed in dual-polarization radar observations. These so-called “fingerprints” of…”
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An Investigation of NEXRAD-Based Quantitative Precipitation Estimates in Alaska by Nelson, Brian R., Prat, Olivier P., Leeper, Ronald D.

“…Precipitation estimation by weather radars in Alaska is challenging. In this study, we investigate National Weather Service (NWS) precipitation products that…”
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Characteristics of annual, seasonal, and diurnal precipitation in the Southeastern United States derived from long-term remotely sensed data by Prat, Olivier P., Nelson, Brian R.

“…The objective of this paper is to investigate long-term inter-annual, seasonal, and diurnal rainfall characteristics in the Southeastern United States. In…”
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Exploring the Transient Behavior of Z-R Relationships: Implications for Radar Rainfall Estimation by PRAT, Olivier P, BARROS, Ana P

“…Abstract The objective of this study is to characterize the signature of dynamical microphysical processes on reflectivity–rainfall (Z–R) relationships used…”
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The AMSU-Based Hydrological Bundle Climate Data Record—Description and Comparison with Other Data Sets by Ferraro, Ralph, Nelson, Brian, Smith, Tom, Prat, Olivier

“…Passive microwave measurements have been available on satellites back to the 1970s, first flown on research satellites developed by the National Aeronautics…”
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A Robust Numerical Solution of the Stochastic Collection–Breakup Equation for Warm Rain by Prat, Olivier P., Barros, Ana P.

“…The focus of this paper is on the numerical solution of the stochastic collection equation–stochastic breakup equation (SCE–SBE) describing the evolution of…”
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Modeling spatial distribution of floc size in turbulent processes using the quadrature method of moment and computational fluid dynamics by Prat, Olivier P., Ducoste, Joel J.

“…A study was performed that utilizes the quadrature method of moments (QMOM) to model the transient spatial evolution of the floc size in a heterogeneous…”
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Precipitation Contribution of Tropical Cyclones in the Southeastern United States from 1998 to 2009 Using TRMM Satellite Data by Prat, Olivier P., Nelson, Brian R.

“…The objective of this paper is to characterize the precipitation amounts originating from tropical cyclones (TCs) in the southeastern United States during the…”
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Using Ancillary Information from Radar-Based Observations and Rain Gauges to Identify Error and Bias by Nelson, Brian R., Prat, Olivier P., Leeper, Ronald D.

“…Ancillary information that exists within rain gauge and radar-based datasets provides opportunities to better identify error and bias between the two observing…”
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Ground observations to characterize the spatial gradients and vertical structure of orographic precipitation – Experiments in the inner region of the Great Smoky Mountains by Prat, Olivier P., Barros, Ana P.

“…A new rain gauge network was installed in the Great Smoky Mountains National Park (GSMNP) in the Southern Appalachians since 2007 to investigate the space–time…”
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A General N-Moment Normalization Method for Deriving Raindrop Size Distribution Scaling Relationships by Morrison, Hugh, Kumjian, Matthew R., Martinkus, Charlotte P., Prat, Olivier P., van Lier-Walqui, Marcus

“…A general drop size distribution (DSD) normalization method is formulated in terms of generalized power series relating any DSD moment to any number and…”
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A Moment-Based Polarimetric Radar Forward Operator for Rain Microphysics by Kumjian, Matthew R., Martinkus, Charlotte P., Prat, Olivier P., Collis, Scott, van Lier-Walqui, Marcus, Morrison, Hugh C.

“…There is growing interest in combining microphysical models and polarimetric radar observations to improve our understanding of storms and precipitation…”
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Improving multisensor estimation of heavy-to-extreme precipitation via conditional bias-penalized optimal estimation by Kim, Beomgeun, Seo, Dong-Jun, Noh, Seong Jin, Prat, Olivier P., Nelson, Brian R.

“…•A new multisensor QPE technique for merging radar and gauge precipitation is presented.•CBPCK improves estimation of heavy-to-extreme precipitation by…”
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Size distribution of raindrops by Barros, Ana P, Prat, Olivier P, Testik, Firat Y

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An Intercomparison of Model Simulations and VPR Estimates of the Vertical Structure of Warm Stratiform Rainfall during TWP-ICE by Prat, Olivier P., Barros, Ana P., Williams, Christopher R.

“…A model of rain shaft microphysics that solves the stochastic advection–coalescence–breakup equation in an atmospheric column was used to simulate the…”
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Characterizing U.S. drought over the past 20 years using the U.S. drought monitor by Leeper, Ronald D., Bilotta, Rocky, Petersen, Bryan, Stiles, Crystal J., Heim, Richard, Fuchs, Brian, Prat, Olivier P., Palecki, Michael, Ansari, Steve

“…The main challenge of evaluating droughts in the context of climate change and linking these droughts to adverse societal outcomes is a lack of a uniform…”
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