Cause of tornadoes discovered?

[o_Why]

May be...

 

[NEHusker16]

 

[Nebraska_Jim]

 

[Deano Panico]

 

[o_Why]

 

[NorthgateCaveman]

 

[Sandhills Husker]

 

[Husker Ace]

 

[NEHusker16]

 

[NorthgateCaveman]

 

[wichitahusker]

 

[Sam-I-Am]

 

[NEHusker16]

 

[Rednil]

 

[Jay Alfred]

 

[Farmerted]