Textbook storm setup

[bradjones]

Can anyone tell me all the ingredients for a classic textbook outbreak setup? Thanks

 

[Paul Knightley]

There is probably no such thing, as you haven't specified an area.

However, a good place to start in the Plains is a strong, deep upper trough moving fairly slowly east from the Rockies, a pristine Gulf airmass, and an active dry-line.


This a good paper: http://www.ejssm.org/ojs/index.php/ejssm/article/view/119/90

 

[Elliott Budd]

Sorry if im hijaking the thread a bit. What is the classic setup for the midwest illinois, indiana etc? and I know it differes from a plains setup.

 

[chrisbray]

Sorry if im hijaking the thread a bit. What is the classic setup for the midwest illinois, indiana etc? and I know it differes from a plains setup.

http://www.spc.noaa.gov/exper/archive/event.php?date=20131117
At least for the fall.

 

[Dan Robinson]

A classic tornado setup is southwesterly midlevel (500mb level) jet at 40-50 knots or more (almost always associated with an incoming western upper trough), southerly winds at 850mb, southeasterly winds at the surface, a capping inversion (warm layer) at 700mb that holds off storm development until late afternoon, and strong instability caused by daytime heating of a deep and moist boundary layer. This is the same for the Plains, the South and the Midwest - virtually all outbreaks have this type of environment.

 

[Jeff Hawkins]

I asked a related question last February regarding tornadoes specifically "The "tornado recipe"...ingredients that make for a tornado". Here's the link: http://www.stormtrack.org/forum/sho...cipe-quot-ingredients-that-make-for-a-tornado

 

[Elliott Budd]

Thanks for the link it's helped chris

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[Marcus Diaz]

Forgive me for my biased opinion, but in terms of classic setup close to home, I've never seen it as classic as April 22, 2010. Nice cut off low over AZ, surface low in SE CO, with a dryline extending out SE of there and south along the Caprock, with low to mid 60 dews in the warm sector. Everything waited until about 4pm to fire, and there were 2 cyclic supercells in the panhandle. Not to mention all the supercells in SE CO and SW KS along the warm front.

June 8, 1995 was a similar story, except everything was turned to 11. 70 dews in the panhandle is almost unheard of, and really don't know a day since then that we've had that.

And June 20, 2011 comes to mind as a perfect setup even though I didn't chase it. Early afternoon tornadoes in western KS followed by evening tornadoes in Nebraska.

I know there isn't such a thing as the absolute perfect setup. But there's definitely setups that I distinctly remember for their almost guarantee tornado output and territory they were in.

 

[chrisbray]

Thanks for the link it's helped chris

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Just go back though that archive through the years and look for setups that affected Illinois, Indiana, etc. Just oodles of info available on each event there.