Brett Roberts, Cooperative Institute for Mesoscale Meteorological Studies, NOAA/NWS/Storm Prediction Center, and NOAA/OAR/National Severe Storms Laboratory, Norman, OK, United States, Burkely T. Gallo, Cooperative Institute for Mesoscale Meteorological Studies and NOAA/NWS/Storm Prediction Center, Norman, OK, United States, Israel L Jirak, NOAA/NWS/Storm Prediction Center, Norman, OK, United States and Adam Clark, NOAA/OAR/National Severe Storms Laboratory, Norman, OK, Norman, OK, United States