[1] NOAA-CRES, TCity College of New York, Steinman Hall, New York,NY,10031, United States
[2] Meteo-France, 42 Avenue Gaspard Coriolis, Toulouse,31057, France
[3] Atmospheric Science Department, University of Alabama, 320 Sparkman drive Huntsville, AL,35805, United States
[4] National Severe Storms Laboratory, 120 David Bohren blvd, Norman,OK,73072, United States