A couple very non-authoritative, passing observations from a generic hobbyist regarding failure modes, warm sector potential and implications.
1) A moisture wedge and/or rain shield situation seems to one of the biggest potential threat mitigators for the northern halves of MS/AL/GA.
2) Dixie tornadoes are known for often getting gnarly while riding moisture boundaries, which could be an issue depending on where the northern edge of the WS sets up.
3) Coastal crapvection could cut off northward expansion of the warm sector, and though I don't see this clearly modelled, that certainly doesn't rule it out.
4) Currently, the trends in models seem like they suggest a fast-moving QLCS from the 7th Circle.
5) If the models slow the system down like they often do, might allow for more discrete development, but who knows.
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Overall conclusion? I dunno *shrugs* but there's a lot of factors to juggle here, and a lot of things that could go any which way between now and next week.