Dr. Orf's Alternative Theory on Tornadogenesis

Jul 2, 2014
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The RFD is basically an extention of the FFD, there’s no real “clear” boundary between the two. The real difference is when you have a strong VPGF it will tend to bring down drier air from aloft hints the “Clear Slot”. I think as long as you have a source of baroclinic vorticity on either flank and a strong enough vertical pressure pertabation, then tornadogeneisis becomes increasingly more likely.