Tornadoes

Tornadoes are the main attractions when it comes to storm chasing. In the movie, tornadoes touched down in Silverton before the major tornado, a massive F5 tornado, touched down. Here are some famous occurances. Overall this tornado outbreak kills 6 people

EF4 tornado
This tornado also becoming first of the outbreak causing 4 people killed inside car and damages several houses (seen on news). This rated as EF4

EF3 tornado
An EF3 tornado began as the second tornado in the movie. The EF3 proceeded to head straight for titus, the major storm-chasing vehicle. Before that, however, it began with destroying power poles and, when it was heading towards Titus, destroying an entire farm and cause minor damage at school and badly damaged a factory where 2 people were trapped. Not much is known after it dissipates.

EF0, EF1 and EF3 tornadoes
Another tornado forms as a short lived EF0, causing no damage and replaced with another stronger EF3 tornado where it almost sucked up another storm chaser and spawning a satellite EF1 tornado where it swerves a car into a crash that injures the occupant.

4 tornadoes (EF1-EF4)
First tornado appears as rope EF1, second as EF2, third as EF3, and fourth as EF4. A rope EF1 tornado, after destroying a car store, becomes a fire tornado and kills jacob (which was sucked up by this fire tornado) and a EF1 ended up damaging a church where the rest of the group was hiding.

Massive, black EF5 tornado (result of EF2 and EF4 merged into one tornado)
A massive EF5 tornado ended the outbreak and destroyed the entire city/town of Silverton. The first footage of it began with it hurling a big cow sign on top of a building, and then many power poles and destroying Silverton High School,[signified by blue flashes and sparking sounds]. The vehicle, Titus with Pete inside, loses it's anchors and is pulled up by the massive tornado, and thrown into the sky, which allows for both a view of inside the tornado and sunshine for 10 seconds. Titus is then thrown down to the ground hard, supposedly killing the storm chaser and destroying the camera.

It later ends by dissolving alongside the storm dissipating.

Overall this outbreak caused 6 known deaths as seen on screen. There is possibility that more people died offscreen during the outbreak.