Flash burn

Lee, Stan, The Amazing Spider-Man (Comic Series), page 40 link 89% vegetation destroyed by flashburn. 11% vegetation destroyed by radiation.

1953, Atoms and Energy, Elek Books, page 133 link The range of the flashburn in open country would be not ten but thirty times as great as with the first atomic bombs —it increases as the square root, not the cube root, of the power.

1951, The chemist and druggist [electronic resource], Morgan Brothers, page 153 link Among ways in which an atomic bomb can cause death or injury, flashburn is likely to be met, according to Leader, Williams and Smith, only by people in the open.

1953, Clifton, Mark; Apostolides, Alex, Astounding Science Fiction, page 88 link Of the different forms received, infrared is the most important as it is the major cause of flashburns. […] The flashburn, which is a profile burn, is the result of direct exposure to the heat of fission.

2006, Fire services, Trotman, page 81 link Most of our lab work is to identify the presence of flammable liquids on debris taken from scenes but we also inspect and test appliances, carry out burning tests, examine clothing for flashburns and look at incendiary (but not explosive) devices.