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RISNovel Tornado Detection Using an Adaptive Neuro-Fuzzy System with S-Band Polarimetric Weather Radar
Publisher: American Meteorological Society
Abstract: ornado debris signatures (TDS) exhibited in polarimetric measurements have the potential to facilitate tornado detection. The upgrade of the network of S-band Weather Surveillance Radar-1988 Doppler (WSR-88D) to dual ...
Statistical Quality of Spectral Polarimetric Variables for Weather Radar
Publisher: American Meteorological Society
Abstract: pectral polarimetry for weather radar capitalizes on both Doppler and polarimetric measurements to reveal polarimetric variables as a function of radial velocity through spectral analysis. For example, spectral differential ...
Application of Spectral Polarimetry to a Hailstorm at Low Elevation Angle
Publisher: American Meteorological Society
Abstract: AbstractSpectral polarimetry has the potential to be used to study microphysical properties in relation to the dynamics within a radar resolution volume by combining Doppler and polarimetric measurements. The past studies ...
Radar Vertical Profile of Reflectivity Correction with TRMM Observations Using a Neural Network Approach
Publisher: American Meteorological Society
Abstract: omplex terrain poses challenges to the ground-based radar quantitative precipitation estimation (QPE) because of partial or total blockages of radar beams in the lower tilts. Reflectivities from higher tilts are often used ...
C-Band Polarimetric Radar QPE Based on Specific Differential Propagation Phase for Extreme Typhoon Rainfall
Publisher: American Meteorological Society
Abstract: o obtain accurate radar quantitative precipitation estimation (QPE) for extreme rainfall events such as land-falling typhoon systems in complex terrain, a new method was developed for C-band polarimetric radars. The new ...
A Prototype Quantitative Precipitation Estimation Algorithm for Operational S-Band Polarimetric Radar Utilizing Specific Attenuation and Specific Differential Phase. Part I: Algorithm Description
Publisher: American Meteorological Society
Abstract: AbstractA prototype quantitative precipitation estimate (QPE) algorithm that utilizes specific attenuation A and specific differential phase KDP was developed for inclusion into the Multi-Radar Multi-Sensor (MRMS) system ...
Utilization of Specific Attenuation for Tropical Rainfall Estimation in Complex Terrain
Publisher: American Meteorological Society
Abstract: o improve the accuracy of quantitative precipitation estimation (QPE) in complex terrain, a new rainfall rate estimation algorithm has been developed and applied on two C-band dual-polarization radars in Taiwan. In this ...
Updates on the Radar Data Quality Control in the MRMS Quantitative Precipitation Estimation System
Publisher: American Meteorological Society
Abstract: The Multi-Radar-Multi-Sensor (MRMS) system was transitioned into operations at the National Centers for Environmental Prediction in the fall of 2014. It provides high-quality and high-resolution severe weather and precipitation ...
Characterization of Tornado Spectral Signatures Using Higher-Order Spectra
Publisher: American Meteorological Society
Abstract: Distinct tornado spectral signatures (TSSs), which are similar to white noise spectra or have bimodal features, have been observed in both simulations and real data from Doppler radars. The shape of the tornado spectrum ...
Tornado Detection Using a Neuro–Fuzzy System to Integrate Shear and Spectral Signatures
Publisher: American Meteorological Society
Abstract: Tornado vortices observed from Doppler radars are often associated with strong azimuthal shear and Doppler spectra that are wide and flattened. The current operational tornado detection algorithm (TDA) primarily searches ...