At the weather service when they were building the area for the cafe, they held a contest for the name of the cafe. The flying cow won out. They have the actual movie props used in the movie Twister. And they have the original real device that inspired Steven Spielberg when he was doing the movie. The original device was full of concrete, and weighed 400 pounds so it was not a quick setup. It never once managed to be in the right place for the tornado to hit it.
The real one one is the orange one. It was called TOTO or toteable instrument.
The props were made from old water heaters, and they had to edit out the one drain fitting that you can see next to the yellow bar on Dorothy. Now days they have flown drones and even fired rockets into the tornadoes. Doppler RADAR is the most used instrument for measuring the supercells and mesocyclones and tornadoes.