May 20, 2014Target: Scottsbluff, Nebraska Base of a maturing supercell near Veteran, Wyoming The supercell formed a slowly rotating lowering just south of Yoder, Wyoming The supercell decayed as it moved through Scottsbluff, Nebraska. The high base can be seen behind Chimney Rock, near Scottsbluff Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide)