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Enhanced Fujita Ratings Debate Thread

I think one of the better candidates this year that they could change in the coming weeks or months would be the Scott City/Grinnell tornado. Maybe not an EF5 but surely an EF4 should be warranted.
I've actually changed my mind about the Grinnell tornado; damage wasn't very impressive and half of the photos posted here of vegetation damage were of a pre-plowed field. EF3 is fine at least structurally; basically every home hit was a mobile home which can usually go in EF1-2 winds, although it can depend on debris loading. Was the survey subpar? Sure.
 
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I've actually changed my mind about the Grinnell tornado; damage wasn't very impressive and half of the photos posted here of vegetation damage were of a pre-plowed field. EF3 is fine at least structurally; basically every home hit was a mobile home which can usually go in EF1-2 winds, although it can depend on debris loading. Was the survey subpar? Sure.
Where's WesternKSWeather at? That vegetation damage sure impressed me
 
I've actually changed my mind about the Grinnell tornado; damage wasn't very impressive and half of the photos posted here of vegetation damage were of a pre-plowed field. EF3 is fine at least structurally; basically every home hit was a mobile home which can usually go in EF1-2 winds, although it can depend on debris loading. Was the survey subpar? Sure.
It wasn’t just crops. A user on this forum documented severe grass scouring in a grassy roadside area. There a few patches where bare soil was exposed. This was before the tornado impacted the town and it was not debris loaded at the time, which is quite impressive.
 
It wasn’t just crops. A user on this forum documented severe grass scouring in a grassy roadside area. There a few patches where bare soil was exposed. This was before the tornado impacted the town and it was not debris loaded at the time, which is quite impressive.
Where? I never saw that, and if I did I never got the impression it was as impressive as it seems.
 
This site was just down for a little bit and it's back now, what's up with that?
We had a fiber cut however the site has failed over. The DNS was a little sluggish to update so I'll check that out tonight.
 
Earlier this morning I went and photographed some incredible damage to vegetation along this road 3 miles south of Grinnell, Kansas. The tornado left virtually not a blade of grass standing in the ditch on either side of the road, and in some locations scoured the ground to where there was just dirt behind. The centerline of the tornado was made remarkably visible as well in the soil as it crossed the road. I also noticed an old corn field to the south had essentially all dead corn stalks removed and several sizeable gouges in the soil from intense vortices. Some of these cornstalks were speared into the side of the ditch like lawndarts. This was the most intense scouring I was able to find along the path.
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Here is the post that Western put up for those asking. This is very violent contextuals if anything.
 
It wasn’t just crops. A user on this forum documented severe grass scouring in a grassy roadside area. There a few patches where bare soil was exposed. This was before the tornado impacted the town and it was not debris loaded at the time, which is quite impressive.
I’m still not convinced it’s as impressive as it looks. How soft was the soil? Was it pre-plowed? Both of those can significantly alter not only the strength of the soil but how easy it is to dig up said soil. Looking it up, KSN tells me that soil in the western part of the state is “less compact and of a looser texture” than in other parts of the state. Looking at the images there’s a clearly-defined crop edge in a few of them, meaning that at least the left half of the road was possibly pre-plowed. I also don’t see the “center vortex” mentioned in the post.

Plus, we don’t know what it takes to dig up trenches (in this case it’s less a trench and more just soil damage). Unless I’ve missed a major study released recently there isn't a well-defined metric for what it takes.

Anyways, that’s it from me, just my take. I got in a nasty argument on another part of the Internet earlier so I really don’t want to get into a debate right now. Plus, PSAT testing and more arguing happened yesterday.
 
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Does anyone have more pictures of the highest end damage with the Girard/Franklin KS F4 on 5/4/2003? I know there's reports that this tornado very well could've been rated F5, which would also be supported by video evidence from Jim Leonard, Piotrowski, etc, but it's hard to find quality photos of the damage.

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I found this overhead of Franklin from a paywalled Joplin Globe article (which certainly looks very high end), but that's about it and it's relatively low resolution.
 
This is generally more impressive than it seems at first. Leafless trees are significantly more wind resistant than trees with a full canopy. To debark and rip large, healthy disiduous trees without their leaves is indicative of much higher winds than one would initially think.


There is still hope it will get what it deserves.
 
Does anyone have more pictures of the highest end damage with the Girard/Franklin KS F4 on 5/4/2003? I know there's reports that this tornado very well could've been rated F5, which would also be supported by video evidence from Jim Leonard, Piotrowski, etc, but it's hard to find quality photos of the damage.

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I found this overhead of Franklin from a paywalled Joplin Globe article (which certainly looks very high end), but that's about it and it's relatively low resolution.
At least from what I can find. Several houses were not completely swept clean inside town and two houses swept away on the edge of the damage path seem to badly constructed.
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