Some of the science materials was completely made up, and fake but the acting wasn't bad.
Barry's Response - It was about special effects as much as any storyline. The main characters invent a machine for measuring activity inside a tornado, but the tracers must go inside the funnel. After four dangerous attempts, they get the equipment to work as planned. Of course, we have the obligatory romantic subplot and so forth, but all in all a tolerable story.
Here are some critical comments made from the scientific community about the movie Twister:
The makers of the film are not meteorologists. They have not portrayed the supercell storm structure involved in the film to the satisfaction of some scientific critics.
Fujita scale ratings are assigned to individual storms only after the damage has been assessed
Hailstones are hailstones; random pieces of ice are not