Keywords: Firestorm cloud over Hiroshima, near local noon. Aug 6 1945.jpg en For decades this image was commonly misidentified as the mushroom cloud of the Little Boy bomb that formed circa 8 15 local time However due to its greater height and the wholly different time of day it is the firestorm cloud /the pyrocumulus cloud that occurs routinely over all firestorms A Pyrocumulonimbus cloud PyroCb is another superior although not widely accepted meteorological classification 1945-08-06 US mlitary Not revealed other versions PD-USGov Firestorm cloud physics meteorology nuclear fallout Hiroshima aerial reconnaissance |