The Majestic Supercell
Profuse lightning illuminates many of the classic structural features of the rear flank of a retreating supercell: main updraft base and towers at center, flanking line and flanking towers at nearer right, main precipitation core at lower rear, ragged wall cloud and backsheared anvil with diffuse mammatus overhead. This was only a roughly 5 second exposure! Though the storm was weakening, its electrical show would dazzle several observers for another couple of hours.
3 NNE Scottsbluff NE (31 May 3) Looking ESE