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Severe WX May 4-8th, 2023

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Please edit the title to include May 4th-5th.

May 4th looks to be more potent that May 5th and it looks like it will impact mostly Texas/Oklahoma.
On the 4th, Oklahoma near OKC looks like it has most favorable environment for tornadoes.

Severe potential for May 5th will mostly be in Arkansas and North Louisiana.

It will most likely slow down and may fizzle away by the time it crosses Mississippi River.
 
Meanwhile, NWS Memphis mentioning the potential for severe storms Saturday: "
Showers and thunderstorms
return to the forecast late Thursday night into Friday morning.
Deterministic model soundings are showing conditionally unstable to
unstable environments with maximum MLCAPE values around 3000J/kg.
There parameters support severe thunderstorms. The highest values
are currently showing Saturday afternoon-evening."
 
You MAAAAAAAAY need to edit the title again lol

From what the SPC is saying here, it sounds like you will also need to start a thread for some time after the 10th:oops:

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JPWX said:
You can say pretty much goodbye to above normal tornado/severe storm activity for traditional tornado alley due to that drought.
Click to expand...
Tanner said:
I would definitely not say that
Click to expand...
It's hard to say because the drought in most of central OK and parts of southwestern KS is supposed to "remain but improve" per the 3 month drought outlook.

Now I'm not sure how much rain typically comes with an above average tornado season (I'd imagine a LOT) but I've heard that at least seven inches of rain will be necessary to even have an impact on the exceptional drought area. So a lone high precipitation supercell dropping several inches of rain over some town would basically be like hitting a huge shipping container with a rubber mallet - and that's not mentioning all the potential from LP and classic Plains supercells...

Don't quote me on any of this though. Hell, I'm not actually expecting an above average Plains tornado season but at least one notable outbreak this month wouldn't surprise me.
 
The GFS refuses to back down and now the HRRR wants to play as well. Both of the models agree the environment will be conducive for severe weather, but the window for tornado activity will be rather narrow, primarily between 21z tomorrow and 01z on Friday. Which means the primary tornado threat could be nocturnal...
 
TH2002 said:
The GFS refuses to back down and now the HRRR wants to play as well. Both of the models agree the environment will be conducive for severe weather, but the window for tornado activity will be rather narrow, primarily between 21z tomorrow and 01z on Friday. Which means the primary tornado threat could be nocturnal...
Click to expand...

21Z Thursday - 01Z Friday is 4-8PM CDT Thursday afternoon/evening, so mostly in daylight.
 
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