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RISDrop Axis Ratios from a 2D Video Disdrometer
Publisher: American Meteorological Society
Abstract: Results from an experiment to measure the drop shapes using a 2D video disdrometer (2DVD) are reported. Under calm conditions, drops were generated from a hose located on a bridge 80 m above ground, this height being ...
Application of the Generalized Gamma Model to Represent the Full Rain Drop Size Distribution Spectra
Publisher: American Meteorological Society
Abstract: Abstract We report on measurements of drop size distributions (DSD) using collocated instruments (a Droplet Measurement Technologies, Inc., Meteorological Particle Spectrometer and a 2D-video disdrometer) from two locations ...
A Robust Error-Based Rain Estimation Method for Polarimetric Radar. Part I: Development of a Method
Publisher: American Meteorological Society
Abstract: he algorithms used to estimate rainfall from polarimetric radar variables show significant variance in error characteristics over the range of naturally occurring rain rates. As a consequence, to improve rainfall estimation ...
Drop Size Distributions and Radar Observations of Convective and Stratiform Rain over the Equatorial Indian and West Pacific Oceans
Publisher: American Meteorological Society
Abstract: wo-dimensional video disdrometer (2DVD) data were analyzed from two equatorial Indian (Gan) and west Pacific Ocean (Manus) islands where precipitation is primarily organized by the intertropical convergence zone and the ...
Reconstructing the Drizzle Mode of the Raindrop Size Distribution Using Double-Moment Normalization
Publisher: American Meteorological Society
Abstract: Commonly used disdrometers tend not to accurately measure concentrations of very small drops in the raindrop size distribution (DSD), either through truncation of the DSD at the small-drop end or because of large uncertainties ...
Toward Completing the Raindrop Size Spectrum: Case Studies Involving 2D-Video Disdrometer, Droplet Spectrometer, and Polarimetric Radar Measurements
Publisher: American Meteorological Society
Abstract: nalysis of drop size distributions (DSD) measured by collocated Meteorological Particle Spectrometer (MPS) and a third-generation, low-profile, 2D-video disdrometer (2DVD) are presented. Two events from two different regions ...
Initial Results of a New Composite-Weighted Algorithm for Dual-Polarized X-Band Rainfall Estimation
Publisher: American Meteorological Society
Abstract: ata analyses for the mobile Iowa X-band polarimetric (XPOL) radar from a long-duration rain event that occurred during the NASA Iowa Flood Studies (IFloodS) field campaign are presented. A network of six 2D video disdrometers ...
Improved Precipitation Typing Using POSS Spectral Modal Analysis
Publisher: American Meteorological Society
Variations in Snow Crystal Riming and ZDR: A Case Analysis
Publisher: American Meteorological Society
Abstract: AbstractA case study in terms of variations in differential reflectivity ZDR observed at X band and snow crystal riming is presented for a light-snow event that occurred near Greeley, Colorado, on 26?27 November 2015. In ...
Dual-Polarization Radar Rainfall Estimation over Tropical Oceans
Publisher: American Meteorological Society
Abstract: AbstractDual-polarization radar rainfall estimation relationships have been extensively tested in continental and subtropical coastal rain regimes, with little testing over tropical oceans where the majority of rain on ...