Jeff Snyder
EF5
Originally posted by afischer
Yes, but one can definitely get augmented SRH from a faster storm motion. A typically clockwise hodograph in a tornado set-up in Kansas would have much higher SRH given an incoming 70kt 500mb windmax than with a 40kt 500mb windmax, all else being equal... due to the \"S-R\" part, as u mentioned. And in this light, moderate mid-level flow in a NE hurricane quadrant definitely doesn't \"hurt\" either.
Actually, no, not always. Slower storm motions can increase SRH depending upon the hodograph, particularly for a "classic" clockwise looping hodograph. Note that there is usually an increase in rotation when a supercell slows down and turns to the right (of mean storm motion).
![faststormmotion.gif](/proxy.php?image=http%3A%2F%2Fwww.tornadocentral.com%2Fnow%2Ffaststormmotion.gif&hash=8c8c6c4d41b7463db47ba51075b883a0)
Say this is the SRH with the "mean" storm motion.
![slowstormmotion.gif](/proxy.php?image=http%3A%2F%2Fwww.tornadocentral.com%2Fnow%2Fslowstormmotion.gif&hash=13ebc1cca1dca6e9757a1c95554b454f)
This represents the SRH experienced by a storm with a slower storm motion. Note that the SRH is higher.
![veryfaststormmotion.gif](/proxy.php?image=http%3A%2F%2Fwww.tornadocentral.com%2Fnow%2Fveryfaststormmotion.gif&hash=8b0c4becf7b9fa0b0f712d300b6cd5ab)
And this represents that SRH for a storm with a much faster storm motion. Note that the negative SRH nearly equals the positive SRH, so there is very little net SRH.