If you were looking for the conflict against CABAL after the Second Tiberium War, see Firestorm Crisis.

A fire storm is created when there is a high enough temperature and unburned napalm on the ground, thus feeding the fire storm.

The fire storm is the most destructive force against buildings, infantry and tanks only surpassed by nuclear force. This 'storm' is created when there are enough fire-based units (except the Dragon Tank) firing at the same spot. The Napalm Bomb instantly creates a fire storm. It is greatly enhanced by the Black Napalm Upgrade, allowing units to create a more devastating and longer lasting storm more quickly.

Units capable of creating a fire storm

China People's Republic of China First GLA War Arsenal China