fire wind

fire wind2016-12-24T21:39:47+00:00
fire wind in Dresden image from New Medical Terms

fire wind aftermath in Dresden

fire wind

MILITARY

A massive fire-induced wind, which occurs whenever bombing is so intense that temperatures reach critical levels–e.g., 1000º C, and suck in air from the periphery towards the centre of the fire. 

Fire winds occurred during bombing of Dresden (images), because of the massive number of incendiary bombs dropped by the Allies and in Hiroshima and Nagasaki because of the atomic bombs. Combustible material could ignite up to 14 km from ground zero in a 1 megaton airburst; the air so heated rises, and sucks cool air in at the base from its perimeter, creating a core with temperatures of 1000ºC or more and gale-force winds that fan the flames from periphery into the fire; fire winds are estimated at 55-65 km/hour in lightly-built cities, and 100 km/hr in heavily built cities, and would sweep victims into the fire zone; the air temperature would exceed 200ºC and roast anyone standing; those in shelters would either suffocate through lack of O2 or be asphyxiated by CO2 or CO, as occurred in the fire storms in Hamburg and Dresden

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