The tornado is itself the catastrophic event. They generally not not cause other disasters. he powerful winds of tornadoes are often strong enough to destroy houses and other buildings.
what the answer.
A catastrophic event in the Llano Uplift region could involve a large-scale natural disaster, such as a severe earthquake or a major flooding event. These types of events can result in significant damage to infrastructure, loss of life, and disruption to the local ecosystems. The Llano Uplift is a relatively stable geological region in central Texas, but it is still susceptible to occasional catastrophic events.
Earthquakes.
It is a Catastrophic Event.
You need a natural hazard to cause catastrophic event.
wildfires
makind
A tornado can be a very brief yet extremely destructive catastrophic event. I am sure that there are others, this is the first that comes to mind.
Nothin people just say there will be a catastrophic event so they can trick you to buy their survival products so there is nothing to worry about
Lightning deaths
That peril should be considered wind.