I understand that Port Arthur is impressive - especially for the time of year. But to be honest having produced 3-4 tornadoes (hard to determine what was continuous over water etc) - one of which was intense, doesn't compare to many other supercells this decade let alone the Quad - State Supercell.
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The supercells on March 14th this year were easily that caliber or higher producing 100s of miles of EF3 and EF4 track length in cases. Even the Jan 12th 2023 supercell produced miles and miles of EF2/EF3 track length (including likely violent intensity) across AL and GA after it became embedded.
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Rolling Fork supercell deserves a mention as well, having dropped 3 EF3+ tornadoes across long path lengths. Or the supercell on March 31st 2023 which produced 3 high end EF3s with long track lengths
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Even the TN March 3rd 2020 supercell is pretty forgotten yet was high-end producing EF2+ tornadoes for hundreds of miles. Bassfield was impressive too.
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And then of course Dec 10th 2021. I think this is probably the unparalleled event of the 2020s in terms of consistently high-end, extremely long track tornadoes.
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Even without the main quad-state supercell, you could make an argument for the second supercell which tracked from TN into KY to be the supercell of the decade especially given there is good evidence of Bowling Green being EF4 and I've seen some suggestions of Dresden TN being EF4 intensity too.
I'm not trying to shut down your suggestion by the way - every opinion is valid and worth considering. But I think it goes to show how impressive the 2020s have been for tornadic activity that multiple events have had very long tracked supercells that consistently drop EF3+ tornadoes.