April 13, 2012Target: Altus, Oklahoma The initial supercell produced a picturesque wall cloud just north of Altus, Oklahoma At this point the storm was producing a tornado near Blair, Oklahoma. The wet RFD made tornado visibility impossible Messy supercell structure near Roosevelt, Oklahoma The supercell reorganized just west of Roosevelt, Oklahoma Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) Slide 4 Slide 4 (current slide)