An estimate of the size on the destruction because of the 16 kt and 21 kt atomic bombings of Hiroshima and Nagasaki. The higher temperatures and radiation cause gasoline to maneuver outward radially in a thin, dense shell identified as "the hydrodynamic front". The entrance acts just like a piston https://radiationzonescum15998.yourkwikimage.com/1425853/radiation_zones_on_earth_an_overview