After Bill Paxton died in 2017, Spotter Network choreographed 200 storm chasers to spell out "BP" with their GPS tracker blips on a radar display to honor him. This kind of tribute had only been done five times before, and it was the first time it had been done for someone who wasn't a storm chaser.
With a very loud and bass-heavy surround channel, this film was notorious for destroying surround speakers in theatres worldwide.
A recording of a camel's moan was slowed down and used as the sound of the tornado.
Filming in Oklahoma was briefly delayed due to the bombing of the Alfred P. Murrah Federal Building in Oklahoma City on April 19, 1995. Many of the crew went to the site to help with recovery efforts.
It was Steven Spielberg's idea to kill off the father in the opening scene. Originally he would have survived but it was decided his death would establish how dangerous tornadoes can be and the reason for Jo's obsession with them later in life.