These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Awesome Music: The main licensed track for the film is Van Halen's "Humans Being", which is basically an excuse for epically long Eddie Van Halen guitar solos. Van Halen also composed the instrumental played in the credits, "Respect The Wind", which basically IS an epically long Eddie Van Halen guitar solo.
Harsher in Hindsight: Shame that very song was what eventually made Sammy Haggar quit the band after Eddie rewrote his lyrics for being "too corny".
Designated Hero: Bill. He gets engaged to a woman while he's still married, drags her along into a highly dangerous situation to find his current wife, assaults Jonas in front of news reporters, then finally upsets his fiancee enough for her to dump him after she hears him professing his feelings for Jo.
Not to mention the events of the May 3rd, 1999 tornado outbreak three years later bore quite a few similarities, including a record-breaking F5 to cap it off.
The events of the Moore Tornado on the 20th of May 2013 also bear an uncomfortable resemblance to the film.
Then came 31 May 2013, the first ever deaths of storm chasers, in El Reno, Oklahoma (not far away from Moore). One of them, Tim Samaras, had designed a device similar to Dorothy to measure atmospheric conditions inside a tornado.
Despite the fact that Dorothy was based off a real NOAA experiment (which was sadly unsuccessful), in 1996 charging directly at a Tornado to put something in its way was exactly what real storm chasers did not do (they would get as close as they could, but generally speaking they were still several miles away, especially in the case of an F4 or F5 Tornado). Fast forward to the 2010's and now storm chasers are more or less emulating the characters in the film in terms of technique, including building armored cars to drive right into the Tornado itself!
Special Effect Failure: Most of the film's special effects were incredibly advanced and are still amazing to look at. However, the CGI cows just don't hold up these days, especially on the small screen.
The scene of the truck exploding was pretty lousy even for its time.
The sound the tornado makes is rather unrealistic as well, due to it being a very slowed-down camel grunt.
Survivors and witnesses of tornadoes have described a plethora of various sounds made by them: a gigantic overloaded washing machine, a thousand screaming pigs, hundred of lions roaring at once, the world's largest jet engine, etc. The sound effects team ended up using over four hundred different sounds for the six tornadoes, and all of them are used for the F5 tornado.
In the shot where they suddenly stop and make a detour while chasing a tornado, you can see Jonas' convoy pass them, then switch camera angles and you see Jonas' convoy pass them again, and another camera angle switch and see Jonas' convoy pass them yet again!
It's a fleet where all the vans are identical, so definitely YMMV.
And in the cow scene, you can see traffic going the opposite way in the rear window of the Dodge Ram. In another blink-and-you-miss-it shot, you can see a Texas highway sign, even though they're supposed to be in Oklahoma.