Mike Peregrine
EF5
For what it's worth, while the storm looked very poor on radar, the visual appearance of the storm was quite impressive, albeit highly tilted.
From the various descriptions, it sounds like these storms had a lot of mini supercell characteristics. Were you able to see an anvil? - What was lightning like on these cells? Tilted updrafts and unimpressive radar signatures make these sound A LOT like mini supes to me.