[quote][b]Posted by:[/b] mad sniper24 [quote][b]Posted by:[/b] Butane123 The bigest high and low presures systems ever recorded crashing into each other.[/quote] I am an aspiring physicist. Any numbers you could give me or anything of that sort. Sorry if I seem pushy, I have never actually known anyone who could accurately describe the cause and necessary conditions for a tornado.[/quote] I'm sorry to say I don't know because I have just graduated high school I am just going on the knoledege based on what I have learned in my physics class. I would hope to be able to tell you in the future though.