NCDC the "One Stop Shop" for All WSR-88D Level II Data Service

Combined Wsr-88d Technique to Reduce Range Aliasing Using Phase Coding and Multiple Doppler Scans

Since fielding the Weather Service Radar 1988 Doppler (WSR-88D) system in the early 1990’s, the NEXRAD Program has recognized range aliasing (folding) as a major weakness. To reduce range folding using a uniformly pulsed radar such as the WSR-88D, one can lower the pulse rate but in so doing will increase the likelihood of introducing aliased velocities (Doviak and Zrnić, 1984). A practical tra...

Introduction to the WSR-88D (NEXRAD) for Ornithological Research

The system of Doppler weather surveillance radars known as WSR-88D or more popularly as NEXRAD helped transform radar ornithology in the United States into a field that today attracts considerable attention from scientists and laypersons alike. As interest in ornithological applications of WSR-88D grows, so does the need to provide perspective on its use. In this paper, we introduce WSR-88D and...

UNIVERSITY OF OKLAHOMA GRADUATE COLLEGE 3DVAR AND CLOUD ANALYSIS WITH WSR-88D Level-II DATA FOR THE PREDICTION OF TORNADIC THUNDERSTORMS

Analysis of a Tornadic Meoscale Convective Vortex Based on Ensemble Kalman Filter Assimilation of CASA X-band and WSR-88D Radar Data

ii Abstract One of the goals of the National Science Foundation Engineering Research Center (ERC) for Collaborative Adaptive Sensing of the Atmosphere (CASA) is to improve storm-scale numerical weather prediction (NWP) by collecting data with dense X-band radar network which provides high-resolution low-level coverage, and by assimilating such data into NWP models. During the first spring storm...

3DVAR and Cloud Analysis with WSR-88D Level-II Data for the Prediction of the Fort Worth, Texas, Tornadic Thunderstorms. Part I: Cloud Analysis and Its Impact

In this two-part paper, the impact of level-II Weather Surveillance Radar-1988 Doppler (WSR-88D) reflectivity and radial velocity data on the prediction of a cluster of tornadic thunderstorms in the Advanced Regional Prediction System (ARPS) model are studied. Radar reflectivity data are used primarily in a cloud analysis procedure that retrieves the amount of hydrometeors and adjusts in-cloud ...