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Severe WX December 10 & 11, 2021 Severe Threat

andyhb said:


Homes completely swept away in the Cambridge Springs area on the western shore of Kentucky Lake. The house in the foreground in the top right picture (with the boat thrown into the basement) appears to have anchor bolts on the periphery of the foundation.
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Here's a close up shot of one of those homes.
 
buckeye05 said:
The subfloor is still attached, so you can't see the bolts.
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Right. The sill plate is covered by the subfloor here. If there's anchor bolting it should be the sill plate being anchor bolted to the slab. Although I guess you could have mudsill anchors/straps that look less like a traditional bolt as well as I think that's become a thing with some newer construction.
 
Evan said:
Right. The sill plate is covered by the subfloor here. If there's anchor bolting it should be the sill plate being anchor bolted to the slab. Although I guess you could have mudsill anchors/straps as well as I think that's become a thing with some newer construction.
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So would you say the house is probably at least EF4 damage?
 
Shakespeare 2016 said:
So would you say the house is probably at least EF4 damage?
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This type of thing is usually rated EF3. However, in cases where the contextual evidence of a violent tornado is overwhelming, such as Washington, IL for example, it can be rated EF4 (and I think this particular home should be due to this very reason). It isn't eligible for EF5 though, as the subflooring would have to be removed for that.
 
This large rural house northeast of Mayfield was obliterated with extreme tree damage surrounding.

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andyhb said:
This large rural house northeast of Mayfield was obliterated with extreme tree damage surrounding.

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The tree fall oriented in a direction than the debris pattern is pretty interesting here. I'd assume the very center line of the tornado went over this home, or potentially a strong embedded sub-vortex.
 


Looks like another EF3 occurred in Christian County near Fort Campbell KY.
 
Some before and after comparion of downtown area of Mayfield was really impressive. It seems that tornado weakened when It went through Mayfield. Area south side of downtown and downtown itself sustained heavier damage than the north side.
FGcKMnIWUAMMVzH.jpegFGcKN5OXIAUF9m3.pngFGcKPbdXsAA5X0Z.jpegFGcKQ8CXsAYRn13.png
 
Cycloidal scouring evident in the field to the upper right in the second image there.
 
pohnpei said:
Yes, I made a mistake. It was this one
View attachment 10973
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Honestly, even though it's a different church, this is still very impressive. Terrifyingly intense damage here.

pohnpei said:
Some Incredible, almost Bassfield level tree damage near MO/AR broaderline.
View attachment 10980
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Oh, $#7t!! Ok, that looks like Bassfield, and that type of tree damage only occurs with a certain caliber of tornado. I'm very confident now in what intensity I believe this tornado was...
 
pohnpei said:
Princeton KY was also destroyed by the tornado. This tornado literally destroyed town after town after town. How similarly It was compared with Tri state.
View attachment 10978View attachment 10979
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It seemed like we were lucking out again at first with it going between Jonesboro and Bay, then "only" clipping the north sides of Monette and Leachville (even so, still causing fatalities in both towns), going southeast of Hornersville, MO, then splitting the goalposts once again between the cores of Hayti and Caruthersville. However once it got to northern TN and especially KY our luck ran out.
 
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