The authors are thankful to anonymous reviewers for their comments and suggestions that improved the presentation of the results. The research work was supported by the NOAA A8R2WRP project and FAA Contract IA#DTFA03-01-X-9007 to NSSL and by ONR Grants N000140310822 and N000140410312 to the University of Oklahoma.
Droegemeier, K. K., and Coauthors, 2002: Project CRAFT: A test bed for demonstrating the real time acquisition and archival of WSR-88D Level II data. Preprints, 18th Int. Conf. on Interactive Information Processing Systems (IIPS) for Meteorology, Oceanography, and Hydrology, Orlando, FL, Amer. Meteor. Soc., 136–139.
Gauthreaux, S. A., , and Belser C. G. , 1998: Displays of bird movements on the WSR-88D: Patterns and quantification. Wea. Forecasting, 13 , 453–464.
Gauthreaux, S. A., , Mizarhi D. S. , , and Belser C. G. , 1998: Bird migration and bias of WSR-88D wind estimates. Wea. Forecasting, 13 , 465–481.
Hodur, R. M., 1997: The Naval Research Laboratory’s Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS). Mon. Wea. Rev., 125 , 1414–1430.
Liu, S., , Zhang P. , , Wang L. , , Gong J. , , and Xu Q. , 2003: Problems and solutions in real-time Doppler wind retrievals. Preprints, 31st Conf. on Radar Meteorology, Seattle, WA, Amer. Meteor. Soc., 308–309.
Xu, Q., , Wang L. , , Zhang P. , , Liu S. , , Zhao Q. , , Sashegyi K. , , and Nachamkin J. , 2004: Progress in radar data quality control and assimilation. Proc. Sixth Int. Symp. of Hydrological Applications of Weather Radar, Melbourne, Australia, Bureau of Meteorology and Australian Meteor. Oceanographic Soc., CD-ROM.
Zhang, P., , Liu S. , , Bi L. , , and Xu Q. , 2003: Real-time WSR-88D velocity data quality control on bird detection. Preprints, 31st Conf. on Radar Meteorology, Seattle, WA, Amer. Meteor. Soc., 473–474.
Zhang, P., , Liu S. , , and Xu Q. , 2005: Identifying Doppler velocity contamination caused by migrating birds. Part I: Feature extraction and quantification. J. Atmos. Oceanic Technol., 22 , 1745–1753.
Zhao, Q., , Cook J. , , Xu Q. , , Harasti P. , , and Frost M. , 2004: Assimilating radar-observed winds into a high-resolution numerical weather analysis and prediction system at NRL. Proc. Sixth Int. Symp. of Hydrological Applications of Weather Radar, Melbourne, Australia, Bureau of Meteorology and Australian Meteor. Oceanographic Soc., CD-ROM.