Screengrab of velocity scan before system impacted Pilger, NE showing not 2 but 3 separate velocity couplets (courtesy: Jeremy Perez, Stormtrack) http://www.perezmedia.net/misc/stormtrack/20140616/2014061601_Radar.PNG I've never seen anything like that before, and wonder what the dynamics of that supercell (or merged cells) was.