Yes, the clicking sounds are necessary. Tornado simulator: VARIABLES ------------------------------------------------------------------------ Precipitation Strength: Shows how much rain there is. Height: How developed the funnel is. Twisting Amount: Changed by Tornado Shift Speed. Shows how much the tornado twists and turns. Tornado X: The X value of where the tornado should be. Tornado Shift speed: The speed of how fast the tornado twists. Decline: How fast the tornado shrinks the more it goes down. Starting Size: The size of the very top of the tornado. Twisting Intensity: How the tornado twists. (don't put it too high or too low if you want something realistic)