1. Center for Analysis and Prediction of Storms, and Advanced Radar Research Center, and School of Meteorology, University of Oklahoma, Norman, Oklahoma
2. Center for Analysis and Prediction of Storms, and School of Meteorology, University of Oklahoma, Norman, Oklahoma
3. Center for Analysis and Prediction of Storms, Norman, Oklahoma
4. Advanced Radar Research Center, and School of Meteorology, University of Oklahoma, Norman, Oklahoma