1. Department of Earth and Atmospheric Sciences Central Michigan University Mount Pleasant MI USA
2. Insurance Institute for Business and Home Safety Richburg SC USA
3. Department of Meteorology and Atmospheric Science The Pennsylvania State University University Park PA USA
4. Institute of Meteorology and Climate Research Karlsruhe Institute of Technology Karlsruhe Germany
5. Department of Atmospheric and Oceanic Sciences Peking University Beijing China
6. European Severe Storms Laboratory Wessling Germany
7. Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma and NOAA/OAR/National Severe Storms Laboratory Norman OK USA