Yes, 'Twister' was based on a real - life phenomenon. Tornadoes are real and the movie took inspiration from the real experiences of storm chasers who study and pursue tornadoes in the Midwest region of the United States.
Twister is not based on a real story. It's a product of creative minds in the film industry, aiming to thrill and captivate audiences with a made-up tale of extreme weather and adventure.
Twister isn't a true story. It's a work of imagination that uses special effects and a dramatic storyline to draw in the audience. Despite not being based on reality, it's still highly engaging.
They're not the same. Usually, when names are slightly different like this, it indicates separate stories. 'Twisters' and 'Twister' could have been created by different authors or for different purposes.
Twister is purely fictional. The plot and events were made up by the filmmakers to thrill and engage the audience. There's no real-life incident behind it.