In total, 29 tornadoes were recorded during that day, with 23 being in Western Oklahoma and the Texas Panhandle.

One cyclic supercell in the Texas Panhandle produced at least 5 of those 23 tornadoes[1], while another spawned at least 8.

[1]: 4  These conditions lead to several tornadic supercells, which were studied by the VORTEX project.

[4] Per Thomas P. Grazulis, the F4 rating is based on movement of industrial equipment, as only F2-F3 damage occurred in Pampa because the tornado had weakened by then.

Several reports of large hail were made in Texas and Oklahoma, with the largest being 4.5 inches.