firestorm

or fire storm

[ fahyuh r-stawrm ]
/ ˈfaɪərˌstɔrm /

noun

an atmospheric phenomenon, caused by a large fire, in which the rising column of air above the fire draws in strong winds often accompanied by rain.
a raging fire of great intensity, as one fueled by oil or gas, that spreads rapidly.

Origin of firestorm

First recorded in 1575–85; fire + storm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for firestorm

British Dictionary definitions for firestorm

firestorm
/ (ˈfaɪəˌstɔːm) /

noun

an uncontrollable blaze sustained by violent winds that are drawn into the column of rising hot air over the burning area: often the result of heavy bombing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012